CN104356527A - PVC base material with low shrinkage and preparation method and preparation equipment thereof - Google Patents
PVC base material with low shrinkage and preparation method and preparation equipment thereof Download PDFInfo
- Publication number
- CN104356527A CN104356527A CN201410484447.0A CN201410484447A CN104356527A CN 104356527 A CN104356527 A CN 104356527A CN 201410484447 A CN201410484447 A CN 201410484447A CN 104356527 A CN104356527 A CN 104356527A
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- Prior art keywords
- low
- pvc
- shrinkage
- shaper
- pvc base
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Molding Of Porous Articles (AREA)
Abstract
The invention discloses a PVC base material with low shrinkage and its preparation method and preparation equipment. Ingredients of the PVC base material with low shrinkage contain PVC resin, a stabilizing agent, an internal lubricant L-60, heavy CaCO3 powder, wood powder, a foaming agent (white NC), a foaming agent (yellow AC), a modifier ACR-175, a modifier ACR-401, high-density oxidized polyethlene wax OA6, an external lubricant, a PE-wax, a 530 foam regulator, an LP-90 foam regulator, an MBS impact modifier, an ultraviolet ray absorber UV531 and an antioxidant. The preparation method comprises the following steps: dosing, mixing, cooling, squeezing, foaming, cooling setting, heat treatment, cooling treatment, cutting and piling. As for a PVC foam board of 4-5 mm thick, thermal shrinkage can be controlled to be less than or equal to 2%. As for a PVC foam board of 5-20 mm thick, thermal shrinkage can be controlled to be less than or equal to 3%. The PVC base material has good promotional value.
Description
Technical field
The present invention relates to a kind of PVC base, particularly a kind of low-shrinkage PVC base and preparation method thereof and Preparation equipment.
Background technology
Multi-layer composite PVC floor is generally be overrided to form by 4-5 Rotating fields, generally has wearing layer (containing UV process), printing film, glass layer, flexible foaming layer, basic unit.Basic unit is crushed to by base material, and existing substrate forming post-shrinkage ratio, generally about 4%, is in use affected by thermal expansion and contraction, and easily produces distortion, warping phenomenon, affects floor and normally uses, and reduces work-ing life.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of low-shrinkage PVC base and preparation method thereof and Preparation equipment, thus overcome above-mentioned defect of the prior art.
For achieving the above object, the invention provides a kind of low-shrinkage PVC base, its component is:
Preferably, in technique scheme, polyvinyl chloride resin selects 7 types or 8 types.
Preferably, in technique scheme, stablizer selects calcium zinc stabilizer or organotin stabilizer.
Preferably, in technique scheme, heavy CaCO
3powder selects 1000-2000 order.
Preferably, in technique scheme, wood powder >=80 order.
The preparation method of low-shrinkage PVC base, the steps include:
Batching: get the raw materials ready according to said components;
Batch mixing: above-mentioned batching is mixed, under 110-125 DEG C of temperature condition, heating 15-25 minute;
Cooling: the batch mixing after heating is cooled to 40-55 DEG C;
Material extrusion: cooled batch mixing enters forcing machine, extruder temperature is set to: the 1st district: 191 DEG C, the 2nd district: 188 DEG C, the 3rd district: 175 DEG C, the 4th district: 185 DEG C, the 5th district: 191 DEG C, merging core: 165 DEG C, the setting of board mould temperature: 180 ~ 185 DEG C, host configuration power: 75KW motor, main frame electric current≤120A, is extruded in shaper;
Foaming: foam in shaper;
Cooling and shaping: lead to refrigerated water circulating cooling at shaper inner chamber, the heat energy of displacement PVC foam plate, PVC foam plate epidermis cools rapidly, and core also accompanies cooling and shaping;
Thermal treatment: PVC foam plate goes out shaper and is delivered to tractor through bracket, will heat mirror roller heat-conducting oil heating to 80 ~ 160 DEG C, carries out calendering heating to PVC foam plate;
Cooling process: will cool mirror roller cooling water temperature to 15 ~ 35 DEG C, carries out cooling process to PVC foam plate;
Cutting: PVC foam plate cutting machine is pressed specification cutting;
Piling: by the PVC foam plate after cutting by specifying that piling is on rickstand.
Preferably, in technique scheme, forcing machine adopts 80 conical-double-helical rod forcing machines.
Preferably, in technique scheme, shaper adopts double flow duct mould.
Preferably, in technique scheme, PVC foam plate core is added with trevira net.
The Preparation equipment of low-shrinkage PVC base, comprising: forcing machine, shaper, movable bracket, analog bracket, tractor, automatic cutting machine, rickstand; Described outlet of extruder end is provided with board mould, described board mould is connected with shaper, described shaper is connected with movable bracket, described movable bracket is connected with analog bracket, described analog bracket is connected with tractor, described tractor is connected with automatic cutting machine, and described low-shrinkage PVC base piling is on described rickstand; Described tractor is set to 9 groups, and the 1st group is heating minute surface pressure roller, and 2-8 group is rubber draw rollers, and the 9th group is cooling minute surface pressure roller; Spiral oil guide groove is provided with in described heating minute surface pressure roller.
Preferably, in technique scheme, forcing machine adopts 80 conical-double-helical rod forcing machines.
Preferably, in technique scheme, shaper adopts double flow duct mould.
Preferably, in technique scheme, shaper is provided with 4 joints.
Preferably, in technique scheme, when PVC foam plate thickness is 4-5mm, adopt two joint shaper sizings.
Preferably, in technique scheme, when PVC foam plate thickness is 5-20mm, adopt four joint shaper sizings.
Compared with prior art, the present invention has following beneficial effect: adopt heavy CaCO
3powder replaces lightweight CaCO
3powder, adopts heating minute surface pressure roller to heat-treat tempering to PVC foam plate, removes stress, reduce the shrinking percentage of PVC foam plate; For the PVC foam plate of thickness at 4 ~ 5mm, percent thermal shrinkage can control≤2%; For the PVC foam plate of thickness at 5 ~ 20mm, percent thermal shrinkage can control≤3%.
Accompanying drawing explanation
Fig. 1 is according to low-shrinkage PVC base Preparation equipment structural representation of the present invention;
Fig. 2 is according to heating minute surface roller structure schematic diagram of the present invention;
Main Reference Numerals illustrates:
1-forcing machine, 2-shaper, 3-movable bracket, 4-analog bracket, 5-tractor, 6-automatic cutting machine, 7-rickstand, 8-board mould, 9-heat minute surface pressure roller, 10-rubber draw rollers, 11-cooling minute surface pressure roller, 12-spiral oil guide groove.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification sheets and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or integral part, and do not get rid of other element or other integral part.
Embodiment 1 produces the PVC foam plate that thickness is 4mm
1 batching: 7 type polyvinyl chloride resin 100Kg, calcium zinc stabilizer 2.5Kg, internal lubricant L-600.4Kg, heavy CaCO
3the yellow AC 0.5Kg of powder 1500 order 75Kg, wood powder 120 order 5Kg, the white NC 0.5Kg of whipping agent, whipping agent, modifier A CR-1751Kg, modifier A CR-4011Kg, high-density oxidized polyethlene wax OA60.3Kg, external lubricant PE wax 0.18Kg, 530 foaming control agent 8Kg, LP-90 foaming control agent 9Kg, MBS impact modifier 3Kg, UV light absorber UV5310.2Kg, antioxidant 1010 0.1Kg;
2 batch mixings: above-mentioned batching mixed, under 115 DEG C of temperature condition, heat 20 minutes;
3 coolings: the batch mixing after heating is cooled to 45 DEG C;
4 material extrusions: cooled batch mixing enters 80 conical-double-helical rod forcing machines, 80 conical-double-helical rod extruder temperatures are set to: the 1st district: 191 DEG C, the 2nd district: 188 DEG C, the 3rd district: 175 DEG C, the 4th district: 185 DEG C, the 5th district: 191 DEG C, merging core: 165 DEG C, the setting of board mould temperature: 180 DEG C, host configuration power: 75KW motor, main frame electric current 100A, is extruded in two joint shapers;
5 foaming: foam in two joint shapers;
6 cooling and shapings: lead to refrigerated water circulating cooling at two joint shaper inner chambers, the heat energy of displacement PVC foam plate, PVC foam plate epidermis cools rapidly, and core also accompanies cooling and shaping;
7 thermal treatments: PVC foam plate goes out shaper and is delivered to tractor through bracket, will heat mirror roller heat-conducting oil heating to 140 DEG C, carry out calendering heating to PVC foam plate;
8 cooling process: will cool mirror roller cooling water temperature to 25 DEG C, carry out cooling process to PVC foam plate;
9 cuttings: PVC foam plate cutting machine is pressed specification cutting;
10 pilings: by the PVC foam plate after cutting by specifying that piling is on rickstand.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (14)
1. low-shrinkage PVC base, is characterized in that: its component is:
2. low-shrinkage PVC base according to claim 1, is characterized in that: described polyvinyl chloride resin selects 7 types or 8 types.
3. low-shrinkage PVC base according to claim 1, is characterized in that: described stablizer selects calcium zinc stabilizer or organotin stabilizer.
4. low-shrinkage PVC base according to claim 1, is characterized in that: described heavy CaCO
3powder selects 1000-2000 order.
5. the preparation method of low-shrinkage PVC base according to claim 1, is characterized in that: the steps include:
Batching: get the raw materials ready according to said components;
Batch mixing: above-mentioned batching is mixed, under 110-125 DEG C of temperature condition, heating 15-25 minute;
Cooling: the batch mixing after heating is cooled to 40-55 DEG C;
Material extrusion: cooled batch mixing enters forcing machine, extruder temperature is set to: the 1st district: 191 DEG C, the 2nd district: 188 DEG C, the 3rd district: 175 DEG C, the 4th district: 185 DEG C, the 5th district: 191 DEG C, merging core: 165 DEG C, the setting of board mould temperature: 180 ~ 185 DEG C, host configuration power: 75KW motor, main frame electric current≤120A, is extruded in shaper;
Foaming: foam in shaper;
Cooling and shaping: lead to refrigerated water circulating cooling at shaper inner chamber, the heat energy of displacement PVC foam plate, PVC foam plate epidermis cools rapidly, and core also accompanies cooling and shaping;
Thermal treatment: PVC foam plate goes out shaper and is delivered to tractor through bracket, will heat mirror roller heat-conducting oil heating to 80 ~ 160 DEG C, carries out calendering heating to PVC foam plate;
Cooling process: will cool mirror roller cooling water temperature to 15 ~ 35 DEG C, carries out cooling process to PVC foam plate;
Cutting: PVC foam plate cutting machine is pressed specification cutting;
Piling: by the PVC foam plate after cutting by specifying that piling is on rickstand.
6. the preparation method of low-shrinkage PVC base according to claim 5, is characterized in that: described forcing machine adopts 80 conical-double-helical rod forcing machines.
7. the preparation method of low-shrinkage PVC base according to claim 5, is characterized in that: described shaper adopts double flow duct mould.
8. the preparation method of low-shrinkage PVC base according to claim 5, is characterized in that: described PVC foam plate core is added with trevira net.
9. the Preparation equipment of low-shrinkage PVC base according to claim 1 or 5, is characterized in that: comprising: forcing machine, shaper, movable bracket, analog bracket, tractor, automatic cutting machine, rickstand; Described outlet of extruder end is provided with board mould, described board mould is connected with shaper, described shaper is connected with movable bracket, described movable bracket is connected with analog bracket, described analog bracket is connected with tractor, described tractor is connected with automatic cutting machine, and described low-shrinkage PVC base piling is on described rickstand; Described tractor is set to 9 groups, and the 1st group is heating minute surface pressure roller, and 2-8 group is rubber draw rollers, and the 9th group is cooling minute surface pressure roller; Spiral oil guide groove is provided with in described heating minute surface pressure roller.
10. the Preparation equipment of low-shrinkage PVC base according to claim 9, is characterized in that: described forcing machine adopts 80 conical-double-helical rod forcing machines.
The Preparation equipment of 11. low-shrinkage PVC base according to claim 9, is characterized in that: described shaper adopts double flow duct mould.
The Preparation equipment of 12. low-shrinkage PVC base according to claim 9, is characterized in that: described shaper is provided with 4 joints.
The Preparation equipment of 13. low-shrinkage PVC base according to claim 9, is characterized in that: when PVC foam plate thickness is 4-5mm, adopts two joint shaper sizings.
The Preparation equipment of 14. low-shrinkage PVC base according to claim 9, is characterized in that: when PVC foam plate thickness is 5-20mm, adopts four joint shaper sizings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484447.0A CN104356527A (en) | 2014-09-19 | 2014-09-19 | PVC base material with low shrinkage and preparation method and preparation equipment thereof |
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| CN201410484447.0A CN104356527A (en) | 2014-09-19 | 2014-09-19 | PVC base material with low shrinkage and preparation method and preparation equipment thereof |
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| CN104356527A true CN104356527A (en) | 2015-02-18 |
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| CN201410484447.0A Pending CN104356527A (en) | 2014-09-19 | 2014-09-19 | PVC base material with low shrinkage and preparation method and preparation equipment thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038029A (en) * | 2015-08-11 | 2015-11-11 | 绍兴市四维塑胶工程有限公司 | Modified PVC (polyvinyl chloride) foaming building material product and processing method thereof |
| CN105086232A (en) * | 2015-08-03 | 2015-11-25 | 江苏锐升新材料有限公司 | PVC base material, manufacturing method thereof and PVC composite board |
| CN105086264A (en) * | 2015-08-26 | 2015-11-25 | 安徽北马科技有限公司 | Low-shrinkage-rate PVC-based wood-plastic composite material |
| CN105295256A (en) * | 2015-12-03 | 2016-02-03 | 江苏普奥新型装饰材料有限公司 | Novel PVC board and manufacturing method thereof |
| CN106280121A (en) * | 2016-08-25 | 2017-01-04 | 浙江长兴森大竹木制品有限公司 | A kind of WPC environment-friendlycharcoal charcoal expansion type floor base material and preparation method thereof |
| CN106273306A (en) * | 2016-08-11 | 2017-01-04 | 李春江 | Aluminum matter lined with PVC section bar and preparation method |
| CN106967263A (en) * | 2017-05-11 | 2017-07-21 | 温州市隆昌塑料有限公司 | Water drilling piece and preparation method thereof |
| CN107118463A (en) * | 2017-06-05 | 2017-09-01 | 浙江巨美家科技有限公司 | A kind of preparation method of hard multi-layer composite PVC floor base material layer |
| CN108000995A (en) * | 2017-12-15 | 2018-05-08 | 浙江晶通塑胶有限公司 | A kind of solid wood WPC composite floor boards and its production method |
| CN108837728A (en) * | 2018-07-25 | 2018-11-20 | 江西龙晨科技有限公司 | A kind of PVC board production line |
| CN109735023A (en) * | 2019-01-10 | 2019-05-10 | 广州芳源实业有限公司 | A kind of PVC modified hard composite material and Preparation equipment |
| CN114316338A (en) * | 2021-10-12 | 2022-04-12 | 镇江三阳装饰材料有限公司 | Process for preparing PVC (polyvinyl chloride) product by adopting plant powder |
| CN115157728A (en) * | 2022-07-14 | 2022-10-11 | 镇江三阳装饰材料有限公司 | Preparation process of high-hardness shrinkage-resistant foamed floor material |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086232A (en) * | 2015-08-03 | 2015-11-25 | 江苏锐升新材料有限公司 | PVC base material, manufacturing method thereof and PVC composite board |
| CN105038029A (en) * | 2015-08-11 | 2015-11-11 | 绍兴市四维塑胶工程有限公司 | Modified PVC (polyvinyl chloride) foaming building material product and processing method thereof |
| CN105086264A (en) * | 2015-08-26 | 2015-11-25 | 安徽北马科技有限公司 | Low-shrinkage-rate PVC-based wood-plastic composite material |
| CN105295256B (en) * | 2015-12-03 | 2017-11-24 | 江苏普奥新型装饰材料有限公司 | A kind of PVC board and its manufacture method |
| CN105295256A (en) * | 2015-12-03 | 2016-02-03 | 江苏普奥新型装饰材料有限公司 | Novel PVC board and manufacturing method thereof |
| CN106273306A (en) * | 2016-08-11 | 2017-01-04 | 李春江 | Aluminum matter lined with PVC section bar and preparation method |
| CN106280121A (en) * | 2016-08-25 | 2017-01-04 | 浙江长兴森大竹木制品有限公司 | A kind of WPC environment-friendlycharcoal charcoal expansion type floor base material and preparation method thereof |
| CN106967263A (en) * | 2017-05-11 | 2017-07-21 | 温州市隆昌塑料有限公司 | Water drilling piece and preparation method thereof |
| CN107118463A (en) * | 2017-06-05 | 2017-09-01 | 浙江巨美家科技有限公司 | A kind of preparation method of hard multi-layer composite PVC floor base material layer |
| CN108000995A (en) * | 2017-12-15 | 2018-05-08 | 浙江晶通塑胶有限公司 | A kind of solid wood WPC composite floor boards and its production method |
| CN108837728A (en) * | 2018-07-25 | 2018-11-20 | 江西龙晨科技有限公司 | A kind of PVC board production line |
| CN108837728B (en) * | 2018-07-25 | 2021-01-01 | 江西龙晨科技有限公司 | PVC board production line |
| CN109735023A (en) * | 2019-01-10 | 2019-05-10 | 广州芳源实业有限公司 | A kind of PVC modified hard composite material and Preparation equipment |
| CN114316338A (en) * | 2021-10-12 | 2022-04-12 | 镇江三阳装饰材料有限公司 | Process for preparing PVC (polyvinyl chloride) product by adopting plant powder |
| CN115157728A (en) * | 2022-07-14 | 2022-10-11 | 镇江三阳装饰材料有限公司 | Preparation process of high-hardness shrinkage-resistant foamed floor material |
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Application publication date: 20150218 |