CN104611943A - Velvet-feeling frosted leather and preparation method thereof - Google Patents
Velvet-feeling frosted leather and preparation method thereof Download PDFInfo
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- CN104611943A CN104611943A CN201510074462.2A CN201510074462A CN104611943A CN 104611943 A CN104611943 A CN 104611943A CN 201510074462 A CN201510074462 A CN 201510074462A CN 104611943 A CN104611943 A CN 104611943A
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Abstract
The invention relates to synthetic leather and a manufacturing method of the synthetic leather, and in particular relates to velvet-feeling frosted leather and a preparation method thereof. The preparation method of the velvet-feeling frosted leather comprises the following steps: (1) mixing raw materials by adopting a wet method; (2) producing Beisi by adopting the wet method; (3) mixing the raw materials by adopting a dry method; (4) veneering by adopting the dry method; (5) foaming by heating; and (6) frosting. The surface of a velvet-feeling frosted leather finished product has the fine velvet feeling and patterns with the high three-dimensional sense.
Description
Technical field
The present invention relates to a kind of synthetic leather and preparation method thereof, be specifically related to a kind of velvet mill flower leather and production method.
Background technology
At present, synthetic leather product becomes following popular trend gradually, and synthetic leather has been widely used in products such as producing case and bag, clothes, footwear.The aesthetic measure of present people to leather is more and more paid close attention to, and in order to enable synthetic leather meet the demand of people to break and feel, can carry out embossing, add the process of suede to leather, makes the three-dimensional feel of the surperficial flower pattern of synthetic leather fine and smooth.In prior art, synthetic leather is mainly made up of base cloth layer, wet method bass layer, dry method overlay coating, the embossing of synthetic leather, adds in suede process and there is a lot of technical difficulty, and the finished product matte processed is fineless and smooth, third dimension is poor, can not meet the demand of people to high-quality.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of surface have fine and smooth velvet and three-dimensional flower pattern velvet mill flower leather and production method.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of velvet mill flower leather, it is characterized in that, comprise base cloth layer, with actual user to for benchmark, the hair side of described base cloth layer is fixedly fitted with wet method bass layer, described wet method bass layer is provided with velvet overlay coating and mill flower layer, and described velvet overlay coating fixedly fits in the surface of the wet method bass layer side of base cloth layer dorsad, and described mill flower layer fixedly fits in the surface of the velvet overlay coating side of wet method bass layer dorsad.
The production method of velvet mill flower leather, is characterized in that, comprise the steps:
Step (1) wet-mixing is prepared burden:
Step (1) comprises step a, step b, step c successively,
Step a: by high-speed stirred after 5-10kg dimethyl formamide and the mixing of 0.5-2kg mill base, then cross leaching filtrate and obtain mixture A, stand-by,
Step b: 100-120kg dimethyl formamide and 20-30kg wood powder are stirred 20-30 minute, and abundant swelling 30-40 minute, then add mixture A and stir, form mixture B, stand-by,
Step c: join in mixture B by 100kg polyurethane wet resin, stirs 30-40 minute, deaeration 40-50 minute, obtained slurry C;
Step (2) wet method bass is produced:
Slurry C being coated with scrapes on woven fabric fiber, immerses in dimethylformamide in water and solidifies;
Then through squezzing operation, then wet method bass D after carrying out washing and drying, is obtained; So far wet method bass layer is formed;
Step (3) dry mixed is prepared burden:
By high-speed stirred after 100kg polyurethane dry method velvet Foamex, 15-20kg toluene, the mixing of 3-5kg toner, cross leaching filtrate and obtain slurry E, stand-by;
Step (4) dry method veneer:
Being coated with by slurry E scrapes in in the release liners of flower pattern, be convenient to follow-up flower pattern in release liners be transferred to finished surface, after baking oven is dried completely, obtain middle product E1, wet method bass D is fitted in middle product E1 not to be had in the one side of release liners, after oven drying, middle product E1 is separated with release liners again, obtained semi-finished product F; So far velvet overlay coating is formed;
Step (5) is heated foaming:
Semi-finished product F is dried a period of time in an oven, to surperficial velvet resin by heat foamable, obtains semi-finished product G; Surperficial velvet resin is now slurry E obtained in step (3).
Step (6) mill flower:
By semi-finished product G through the buffing machine mill flower with flower pattern roller, obtain finished product H.So far form mill flower layer, complete the making of finished product.
The production method of aforesaid velvet mill flower leather, is characterized in that, in the step a of described step (1), 5-10kg dimethyl formamide and 0.5-2kg mill base are stirred 80-100 minute with 2900rpm/min speed.
The production method of aforesaid velvet mill flower leather, it is characterized in that, the mass percentage concentration of the dimethylformamide in water in described step (2) is 18-22%.
The production method of aforesaid velvet mill flower leather, is characterized in that, the squezzing operation at least one in described step (2).
The production method of leather spent by aforesaid velvet mill, it is characterized in that, in described step (2), the speed of a motor vehicle is 18-20 rice/min, and washing and drying complete on a set of equipment, i.e. wet method PU production line, the running speed therefore controlling this production line is 18-20 rice/min.
The production method of aforesaid velvet mill flower leather, it is characterized in that, in described step (3), mixing time is 10-15 minute, and mixing speed is 2900rpm/min.
The production method of aforesaid velvet mill flower leather, is characterized in that, in described step (4), dry 1-2 minute in an oven, dry and polyurethane dry method velvet Foamex is solidified before obtaining middle product E1 with 90-110 DEG C; Release liners uses 110-130 DEG C of drying before being separated in an oven, and the speed of a motor vehicle of baking oven is 15-20 rice/min.
The production method of aforesaid velvet mill flower leather, it is characterized in that, in described step (5), semi-finished product F dries 2-3 minute in the baking oven of 170-180 DEG C.
The production method of aforesaid velvet mill flower leather, it is characterized in that, in described step (6), buffing machine roller rotating speed 900-1200 turns/min, and the speed of a motor vehicle is 8-10 rice/min.
Usefulness of the present invention is: velvet resin is coated with and scrapes on wet method bass layer by the present invention, and then carries out grinding flower process, and the surface making the finished product velvet mill flower leather obtained like this has the velvet of exquisiteness and the strong flower pattern of third dimension.The velvet mill flower leather modelling effect obtained by method of the present invention is strong, has writing effect, and just like silkiness velvet, has good prospect of the application.
Accompanying drawing explanation
Fig. 1 is the structural representation of velvet of the present invention mill flower leather.
Reference numeral implication is as follows: 1: base cloth layer; 2: wet method bass layer; 3: velvet overlay coating; 4: mill flower layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
As shown in Figure 1, a kind of velvet mill flower leather, comprise base cloth layer 1, with actual user to for benchmark, described base cloth layer 1 is fixedly fitted with wet method bass layer 2, described wet method bass layer 2 is provided with velvet overlay coating 3 and mill flower layer 4, described velvet overlay coating 3 fixedly fits in the surface of wet method bass layer 2 side of base cloth layer 1 dorsad, described mill flower layer 4 fixedly fits in the surface of velvet overlay coating 3 side of wet method bass layer 2 dorsad, described velvet overlay coating 3 is dry method overlay coating, and mill flower layer 4 is obtained by the buffing machine with flower pattern roller.Described mill flower layer 4 surface has flower pattern, and different flower pattern can give this velvet mill flower leather different outward appearances, depending on the market demand.
Further, the thickness of described wet method bass layer is 0.55-0.57mm, and the thickness of described velvet overlay coating is 0.13-0.15mm, and the thickness of described mill flower layer is 0.05-0.07mm.The end product quality that the accurate control of thickness at all levels is removed from office for last obtained velvet mill flower provides safeguard.
The production method of velvet mill flower leather, comprises the steps:
Step (1) wet-mixing is prepared burden:
Step a: by 5-10kg dimethyl formamide and 0.5-2kg mill base with 2900rpm/min speed high-speed stirred 80-100 minute, it is stand-by then to cross leaching filtrate, the mixture A of formation,
Step b: 100-120kg dimethyl formamide and 20-30kg wood powder are stirred 20-30 minute, and abundant swelling 30-40 minute, then add mixture A and stir stand-by, the mixture B of formation,
Step c: join in mixture B by 100kg polyurethane wet resin, stirs 30-40 minute, deaeration 40-50 minute, obtained slurry C;
Step (2) wet method bass is produced:
Slurry C being coated with scrapes on woven fabric fiber, immerses in dimethylformamide in water and solidifies;
Then through squezzing operation, then wet method bass D after carrying out washing and drying, is obtained;
Step (3) dry mixed is prepared burden:
By high-speed stirred after 100kg polyurethane dry method velvet Foamex, 15-20kg toluene, the mixing of 3-5kg toner, filter and stand-byly get filtrate, obtain slurry E;
Step (4) dry method veneer:
Being coated with by slurry E scrapes in in the release liners of flower pattern, after oven for drying, obtain middle product E1, being directly fitted in by middle product E1 with wet method bass D does not have in the one side of release liners, after oven drying, middle product E1 is separated with release liners again, obtained semi-finished product F;
Step (5) is heated foaming:
Semi-finished product F is dried a period of time in an oven, and surperficial velvet resin, by heat foamable, obtains a kind of semi-finished product G of surperficial velvet exquisiteness;
Step (6) mill flower:
By semi-finished product G through the buffing machine mill flower with flower pattern roller, obtain a kind of surperficial velvet exquisiteness, the obvious finished product H of flower pattern.
The mass percentage concentration of the dimethylformamide in water in step (2) is 18-22%; Squezzing operation at least one; Washing and the dry speed of a motor vehicle are 18-20 rice/min.
Step (3) high speed mixing time is 10-15 minute, and mixing speed is 2900rpm/min.
In step (4), the release liners first time scribbling slurry E dries 1-2 minute with 90-110 DEG C in an oven; Second time is in an oven with 110-130 DEG C of oven dry, and the speed of a motor vehicle of baking oven is 15-20 rice/min.
In step (5), semi-finished product F dries 2-3 minute in the baking oven of 170-180 DEG C.
In step (6), buffing machine roller rotating speed 900-1200 turns/min, and the speed of a motor vehicle is 8-10 rice/min.
embodiment 1
Step (1): by 5kg dimethyl formamide and 1kg mill base high-speed stirred 80 minutes, it is stand-by then to cross leaching filtrate, the mixture A of formation; 100kg dimethyl formamide and 25kg wood powder are stirred 20 minutes, and fully swelling 30 minutes, then add mixture A and stir stand-by, the mixture B of formation; 100kg polyurethane wet resin is joined in mixture B, stirs 30 minutes, deaeration 40 minutes, obtained slurry C.
Step (2): slurry C be coated with and scrape on woven fabric fiber, immersing mass percentage concentration is solidify in 18% dimethylformamide in water; Then pass through one squezzing operation, then carry out washing and drying, the speed of a motor vehicle is 18 meters/min, obtains wet method bass D.
Step (3): by 100kg polyurethane dry method velvet Foamex, 15kg toluene, 3.5kg toner mixing 2900rpm/min high-speed stirred afterwards, high-speed stirred 11 minutes, leaching filtrate is stand-by excessively, obtains slurry E.
Step (4): be coated with by slurry E and scrape in in the release liners of flower pattern, directly fit with wet method bass D after 100 DEG C of baking ovens dry 1 minute, then be separated through the oven drying heel release liners of 110 DEG C, the speed of a motor vehicle of baking oven is 15 meters/min, obtained semi-finished product F.
Step (5): semi-finished product F is dried 2 minutes in the baking oven of 170 DEG C, surperficial velvet resin, by heat foamable, obtains a kind of semi-finished product G of surperficial velvet exquisiteness.
Step (6): by semi-finished product G through the buffing machine mill flower with flower pattern roller, buffing machine roller rotating speed 900 turns/min, the speed of a motor vehicle is 8 meters/min, obtains a kind of surperficial velvet exquisiteness, the obvious finished product H of flower pattern.
embodiment 2
Step (1): by 10kg dimethyl formamide and 2kg mill base high-speed stirred 100 minutes, it is stand-by then to cross leaching filtrate, the mixture A of formation; 110kg dimethyl formamide and 30kg wood powder are stirred 30 minutes, and fully swelling 40 minutes, then add mixture A and stir stand-by, the mixture B of formation; 100kg polyurethane wet resin is joined in mixture B, stirs 40 minutes, deaeration 50 minutes, obtained slurry C.
Step (2): slurry C be coated with and scrape on woven fabric fiber, immersing mass percentage concentration is solidify in 22% dimethylformamide in water; Then through three road squezzing operations, then carry out washing and drying, the speed of a motor vehicle is 20 meters/min, obtains wet method bass D.
Step (3): by 2900rpm/min high-speed stirred after 100kg polyurethane dry method velvet Foamex, 20kg toluene, the mixing of 5kg toner, high-speed stirred 15 minutes, filters stand-by, obtains slurry E.
Step (4): be coated with by slurry E and scrape in in the release liners of flower pattern, directly fit with wet method bass D after 110 DEG C of baking ovens dry 1 minute, then be separated through the oven drying heel release liners of 120 DEG C, the speed of a motor vehicle of baking oven is 20 meters/min, obtained semi-finished product F.
Step (5): semi-finished product F is dried 3 minutes in the baking oven of 180 DEG C, surperficial velvet resin, by heat foamable, obtains a kind of semi-finished product G of surperficial velvet exquisiteness.
Step (6): by semi-finished product G through the buffing machine mill flower with flower pattern roller, buffing machine roller rotating speed 1100 turns/min, the speed of a motor vehicle is 10 meters/min, obtains a kind of surperficial velvet exquisiteness, the obvious finished product H of flower pattern.
embodiment 3
Step (1): by 7kg dimethyl formamide and 1.5kg mill base high-speed stirred 90 minutes, then filter stand-by, the mixture A of formation; 110kg dimethyl formamide and 25kg wood powder are stirred 27 minutes, and fully swelling 35 minutes, then add mixture A and stir stand-by, the mixture B of formation; 100kg polyurethane wet resin is joined in mixture B, stirs 33 minutes, deaeration 45 minutes, obtained slurry C.
Step (2): slurry C be coated with and scrape on woven fabric fiber, immersing mass percentage concentration is solidify in 20% dimethylformamide in water; Then through twice squezzing operation, then carry out washing and drying, the speed of a motor vehicle is 20 meters/min, obtains wet method bass D.
Step (3): by high-speed stirred after 100kg polyurethane dry method velvet Foamex, 18kg toluene, the mixing of 3.5kg toner, 2900rpm/min high-speed stirred 12 minutes, filters stand-by, obtains slurry E.
Step (4): be coated with by slurry E and scrape in in the release liners of flower pattern, directly fit with wet method bass D after 98 DEG C of baking ovens dry 2 minutes, then be separated through the oven drying heel release liners of 113 DEG C, the speed of a motor vehicle of baking oven is 19 meters/min, obtained semi-finished product F.
Step (5): semi-finished product F is dried 3 minutes in the baking oven of 170 DEG C, surperficial velvet resin, by heat foamable, obtains a kind of semi-finished product G of surperficial velvet exquisiteness.
Step (6): by semi-finished product G through the buffing machine mill flower with flower pattern roller, buffing machine roller rotating speed 1150 turns/min, the speed of a motor vehicle is 8.5 meters/min, obtains a kind of surperficial velvet exquisiteness, the obvious finished product H of flower pattern.
The velvet of the finished product velvet mill flower leather surface exquisiteness obtained is made, the third dimension of surperficial flower pattern according to the present invention.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (10)
1. a velvet mill flower leather, it is characterized in that, comprise base cloth layer, with actual user to for benchmark, described base cloth layer is fixedly fitted with wet method bass layer, described wet method bass layer is provided with velvet overlay coating and mill flower layer, and described velvet overlay coating fixedly fits in the surface of the wet method bass layer side of base cloth layer dorsad, and described mill flower layer fixedly fits in the surface of the velvet overlay coating side of wet method bass layer dorsad.
2. the production method of velvet mill flower leather, is characterized in that, comprise the steps:
Step (1) wet-mixing is prepared burden:
Step (1) comprises step a, step b, step c successively,
Step a: mixing being stirred to after 5-10kg dimethyl formamide and the mixing of 0.5-2kg mill base, then crossing leaching filtrate and obtaining mixture A, stand-by,
Step b: 100-120kg dimethyl formamide and 20-30kg wood powder are stirred 20-30 minute, and swelling 30-40 minute, then add mixture A and stir, form mixture B, stand-by,
Step c: join in mixture B by 100kg polyurethane wet resin, stirs 30-40 minute, deaeration 40-50 minute, obtained slurry C;
Step (2) wet method bass is produced:
Slurry C being coated with scrapes on woven fabric fiber, immerses in dimethylformamide in water and solidifies;
Then through squezzing operation, then wet method bass D after carrying out washing and drying, is obtained;
Step (3) dry mixed is prepared burden:
Stir after 100kg polyurethane dry method velvet Foamex, 15-20kg toluene, the mixing of 3-5kg toner, cross leaching filtrate and obtain slurry E, stand-by;
Step (4) dry method veneer:
Being coated with by slurry E scrapes in in the release liners of flower pattern, after drying, obtain middle product E1, then wet method bass D is fitted in middle product E1 does not have in the one side of release liners, then is separated with release liners by middle product E1 after super-dry, obtained semi-finished product F;
Step (5) is heated foaming:
Semi-finished product F is dried in an oven polyurethane dry method velvet Foamex by heat foamable, obtains semi-finished product G;
Step (6) mill flower:
By semi-finished product G through the buffing machine mill flower with flower pattern roller, obtain finished product H.
3. the production method of velvet mill flower leather according to claim 2, is characterized in that, in the step a of described step (1), 5-10kg dimethyl formamide and 0.5-2kg mill base are stirred 80-100 minute with 2900rpm/min speed.
4. the production method of velvet mill flower leather according to claim 3, it is characterized in that, the mass percentage concentration of the dimethylformamide in water in described step (2) is 18-22%.
5. the production method of velvet mill flower leather according to claim 4, is characterized in that, the squezzing operation at least one in described step (2).
6. the production method of velvet mill flower leather according to claim 5, it is characterized in that, in described step (2), washing and dry run complete on wet method PU production line, and the speed of described wet method PU production line is 18-20 rice/min.
7. the production method of velvet mill flower leather according to claim 6, it is characterized in that, in described step (3), mixing time is 10-15 minute, and mixing speed is 2900rpm/min.
8. the production method of velvet mill flower leather according to claim 7, it is characterized in that, in described step (4), the drying condition obtained before middle product E1 is dry 1-2 minute at 90-110 DEG C; Before release liners is separated, baking temperature is 110-130 DEG C, and the dry speed of a motor vehicle is 15-20 rice/min.
9. the production method of velvet mill flower leather according to claim 8, it is characterized in that, in described step (5), semi-finished product F dries 2-3 minute in the baking oven of 170-180 DEG C.
10. the production method of velvet mill flower leather according to claim 9, it is characterized in that, in described step (6), buffing machine roller rotating speed 900-1200 turns/min, and the speed of a motor vehicle is 8-10 rice/min.
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| CN201510074462.2A CN104611943A (en) | 2015-02-12 | 2015-02-12 | Velvet-feeling frosted leather and preparation method thereof |
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| CN201510074462.2A CN104611943A (en) | 2015-02-12 | 2015-02-12 | Velvet-feeling frosted leather and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106192433A (en) * | 2016-07-29 | 2016-12-07 | 温州市汇邦合成革有限公司 | A kind of processing technology of Lignum pterocarpi indici crazy horse leather |
| CN106282430A (en) * | 2016-08-12 | 2017-01-04 | 温州奋起服饰有限公司 | A kind of based on the Process for producing leather moving membrane technology |
| CN107904967A (en) * | 2017-12-20 | 2018-04-13 | 昆山协孚新材料股份有限公司 | A kind of composite clothing leather foundation and its production method |
| CN107904968A (en) * | 2017-12-20 | 2018-04-13 | 昆山协孚新材料股份有限公司 | A kind of skin suede synthetic leather and its production method |
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| CN102409551A (en) * | 2011-08-01 | 2012-04-11 | 吴江三辉纺织有限公司 | Color-changing velvet-feel synthetic leather with high brightness |
| CN102864650A (en) * | 2011-07-08 | 2013-01-09 | 昆山协孚人造皮有限公司 | Manufacturing method of bicolor synthetic leather |
| CN102899910A (en) * | 2011-07-29 | 2013-01-30 | 昆山协孚人造皮有限公司 | Manufacturing method of highlight leather |
| CN204662156U (en) * | 2015-02-12 | 2015-09-23 | 昆山协孚人造皮有限公司 | Velvet mill flower leather |
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| JPS57112471A (en) * | 1980-12-06 | 1982-07-13 | Kohkoku Chem Ind | Synthetic leather sheet material with excellent light fastness and hydrolysis resistance and production thereof |
| CN102864650A (en) * | 2011-07-08 | 2013-01-09 | 昆山协孚人造皮有限公司 | Manufacturing method of bicolor synthetic leather |
| CN102899910A (en) * | 2011-07-29 | 2013-01-30 | 昆山协孚人造皮有限公司 | Manufacturing method of highlight leather |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106192433A (en) * | 2016-07-29 | 2016-12-07 | 温州市汇邦合成革有限公司 | A kind of processing technology of Lignum pterocarpi indici crazy horse leather |
| CN106282430A (en) * | 2016-08-12 | 2017-01-04 | 温州奋起服饰有限公司 | A kind of based on the Process for producing leather moving membrane technology |
| CN107904967A (en) * | 2017-12-20 | 2018-04-13 | 昆山协孚新材料股份有限公司 | A kind of composite clothing leather foundation and its production method |
| CN107904968A (en) * | 2017-12-20 | 2018-04-13 | 昆山协孚新材料股份有限公司 | A kind of skin suede synthetic leather and its production method |
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Application publication date: 20150513 |