CN109793264A - It a kind of heat insulation felt, preparation method and does not burn the purposes of cigarette for charcoal heating - Google Patents
It a kind of heat insulation felt, preparation method and does not burn the purposes of cigarette for charcoal heating Download PDFInfo
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- CN109793264A CN109793264A CN201910153141.XA CN201910153141A CN109793264A CN 109793264 A CN109793264 A CN 109793264A CN 201910153141 A CN201910153141 A CN 201910153141A CN 109793264 A CN109793264 A CN 109793264A
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- heat insulation
- insulation felt
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- glass fibre
- cigarette
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Abstract
The invention discloses a kind of heat insulation felts, including following component: fibrous material 85-98wt%, binder 2-10wt%, auxiliary agent 0.1-5wt%；For the heat insulation felt with a thickness of 0.3mm-5mm, air penetrability is 2.0-4.5m/s at pressure difference 127Pa, heats permanent Linear change rate 1h at 300 DEG C and is not more than 1%；Thermal coefficient is 0.025-0.043W/ (mK) at 25 DEG C；Its flexibility does not have folding line, fracture and layering in R=5mm.Purposes in the cigarette that do not burn is heated the invention also discloses the heat insulation felt preparation method and for charcoal.
Description
Technical field
The invention belongs to technical field of tobacco, and in particular to a kind of heat insulation felt, preparation method and heat for charcoal non-ignitable
Burn the purposes of cigarette.
Background technique
Charcoal heats the cigarette products that do not burn and needs using barrier material, and purpose is primarily to isolation heat source prevents heat
Loss, while increasing air inflow, making heat-barrier material not influences the burning of heat source.The heat-barrier material of the prior art is mainly carbon fiber
The materials such as dimension, flame proofing organic fibre, porous metals, porous ceramics, clay or glass.As patent CN201080038270,
CN201180031721, CN201280055319 use carbon fiber, flame proofing organic fibre, porous metals, porous ceramic film material etc.,
Patent CN89104827, CN89104935, CN201380046055.X, CN201380066808, CN201680016291 are used
Clay or glass etc. are used as heat insulating coat.Patent CN90103438, CN91109831 and CN200480034945,
CN200580036614, CN200580046024 etc. use glass fibre as heat-barrier material.
The materials such as clay or glass coating have completely cut off the entrance of air as heat insulating coat completely, lead to the air inlet knot of cigarette
The design of structure is sufficiently complex；Although the materials such as porous metals, porous ceramics make moderate progress on air permeability effect, insulation effect
It is not so good as fiber-like material with flexibility；The materials high-temperature resistant result such as carbon fiber, flame proofing organic fibre is not good enough；Glass fibre it is heat-insulated
Effect is to be improved.
Glass fiber felt is a kind of exhausted made of adhesive or mechanism glass fibre continuous strand or chopped strand
Hot material, relative to other materials, glass fiber felt has thermal coefficient low, and gas permeability is preferable, and radiation-resistant property is good, and price is low
It is honest and clean, it is easy to the advantages that carrying out secondary operation.Glass fiber felt is mainly used in the neck such as building, composite material, battery currently on the market
Domain.For cigarette field, not only flexibility is poor, and it is non-ignitable that charcoal heating is not achieved to covered effect, the air permeability etc. of heat source
Burn the requirement of cigarette.
The present invention is proposed in order to solve the above problem.
Summary of the invention
In view of the above-mentioned problems of the prior art, the present invention is to provide and a kind of can be used for charcoal heating and do not burn the adopting of cigarette
With the novel heat-insulation felt and preparation method thereof of high-performance fiber.
In order to achieve the above objectives, the invention provides the following technical scheme:
First aspect present invention discloses a kind of heat insulation felt, including following component: fibrous material 85-98wt%, binder
2-10wt%, auxiliary agent 0.1-5wt%；For the heat insulation felt with a thickness of 0.3mm-5mm, air penetrability is 2.0- at pressure difference 127Pa
4.5m/s heats permanent Linear change rate 1h at 300 DEG C and is not more than 1%；Thermal coefficient is 0.025-0.043W/ at 25 DEG C
(m·K)；Its flexibility does not have folding line, fracture and layering in R=5mm.
Preferably, the fibrous material is glass fibre or glass fibre and basalt fibre composition or glass fibre
With carbon fibers object or glass fibre and one of basalt fibre and carbon fibers object；In the fibrous material, glass
Glass fiber 50%-100wt%, carbon fiber or basalt fibre 0%-50wt%.The unharmful substance when fibrous material is heated
Release.
Preferably, the diameter of the glass fibre is 4-12 μm, length 10-40mm；The diameter of the carbon fiber is 4-
10 μm, length 2-25mm；The basalt fibre diameter is 4-10 μm, length 3-30mm.
Preferably, the glass fibre includes following components, SiO2: 50-55wt%, CaO:20-25wt%, MgO:0-
1wt%, Al2O3: 10-15wt%, B2O3: 4-6w%t.
Preferably, the binder is cationic binder；The cationic binder is polyvinyl alcohol, acrylic acid
The composition of one or more of lotion, polyaminoester emulsion, polyvinyl acetate, starch.These binders are aqueous gluing
Agent or emulsion-type adhesive, flexibility is good, and adhesive strength is good, and usage amount be far below common glass fiber felt class product, by
Unharmful substance discharges when hot.
Preferably, the binder further includes silane coupling agent, the silane coupling agent shared ratio in a binder
For 0.1-1wt%.
Preferably, the auxiliary agent includes one of thickener, dispersing agent, defoaming agent or softening agent or more than one compositions.
Second aspect of the present invention discloses the charcoal and heats do not burn cigarette heat insulation felt preparation method, including following step
It is rapid: fibrous material and auxiliary agent being put in proportion into pulping equipment, is uniformly mixed and obtains slurry；Obtained slurry is removed non-
Fibrosis impurity, then dilutes；Slurry after dilution is uniformly delivered on fourdrinier machine then dehydration forming；After shaping
Heat insulation felt surface upper a certain proportion of binder is applied by spray process or infusion process, then in 80-250 DEG C of dry solidification, i.e.,
It obtains the charcoal and heats the cigarette heat insulation felt that do not burn.
Second aspect of the present invention discloses the heat insulation felt and heats purposes in the cigarette that do not burn for charcoal.
Beneficial effects of the present invention:
1, heat insulation felt of the present invention has sound construction, good air permeability, and high temperature resistant, heat insulation is good, unharmful substance
The features such as release, when not burning on cigarette for charcoal heating, covering property is good, does not influence cigarette appearance；Especially flexibility is excellent
It is different, do not influence completely carbonaceous heat source light and sustained combustion.
2, when heat insulation felt of the invention is not burnt on cigarette for charcoal heating, for the particulate matter generated after the burning of charcoal heat source
There is good suction-operated with residue.
Specific embodiment
Below with reference to embodiment, invention is further described in detail.
Embodiment 1
The heat insulation felt of the present embodiment is made of the raw material of following mass percent:
Glass fibre 97%, binder 2.5%, auxiliary agent 0.5%
Wherein, it is 15mm, the glass chopped silk that fibre diameter is 8 μm that glass fibre, which is length,.
Glass fiber component is SiO2: 55wt%, CaO:24wt%, MgO:1wt%, Al2O3: 14wt%, B2O3: 6wt%.
Binder is 60wt% cationic acrylic lotion, 39.5wt% cation type polyurethane lotion and 0.5wt%
Silane resin acceptor kh-550 compound.
Auxiliary agent is hydroxymethyl cellulose thickener and double octadecyl base ester based quaternary ammonium salt dispersing agents.
The present embodiment prepares charcoal and heats the method that do not burn with heat insulation felt, comprising the following steps:
(1) slurrying: above-mentioned glass chopped silk and above-mentioned auxiliary agent being put into pulping equipment, fiber is sufficiently discongested,
Preliminary control concentration of slurry is 2wt% or so；
(2) it removes the gred: the pulp suspension for being 0.5wt% at concentration by thick stock dilution, while slurry is removed using scummer
In non-fiber impurity.
(3) with slurry: by the slurry by slagging-off, the pulp suspension of 0.15wt% to be diluted to, in case starching.
(4) streaming distribution: stirring slurry using blender, guarantees that slurry is kept uniformly, through head box that slurry is uniformly defeated
It send to fourdrinier machine.
(5) drainage and formation: the slurry on fourdrinier machine is evenly distributed on by vacuum suction, fiber is deposited on mesh belt
Preliminarily forming, then through high press-dehydrating, partial moisture in heat insulation felt is removed, so that the water capacity of heat insulation felt is controlled 60%.
(6) it is glued: above-mentioned binder being glued by spray process, resin added is controlled in 2.5wt%.
(7) dry: heat insulation felt to be delivered in baking oven, drying temperature is 160 DEG C.
(8) it cuts winding: heat insulation felt being cut to satisfactory size and winding using cutting apparatus and spare is obtained
Heat insulation felt.Test result is as shown in table 1.
Embodiment 2
The heat insulation felt of the present embodiment is made of the raw material of following mass percent:
Glass fibre 75%, carbon fiber 20%, binder 4.5%, auxiliary agent 0.5%
Wherein, it is 10mm, the glass chopped silk that fibre diameter is 7 μm that glass fibre, which is length,.
Glass fiber component is SiO2: 54wt%, CaO:25wt%, MgO:1wt%, Al2O3: 15wt%, B2O3: 5wt%.
Carbon fiber is that fibre diameter is 7 μm, and length is the chopped silk of 3mm.
Binder is that 50wt% cationic polyvinyl alcohol and 50wt% starch complex form.
Auxiliary agent are as follows: hydroxymethyl cellulose thickener, guar gum dispersing agent, ethylenedistearamide defoaming agent, cation are poly-
Acrylamide soft agent.
The present embodiment prepares charcoal and heats the method that do not burn with heat insulation felt, comprising the following steps:
(1) slurrying: above-mentioned glass chopped silk carbon fiber and above-mentioned auxiliary agent are put into pulping equipment, sufficiently discongested
Fiber, the preliminary concentration of slurry that controls is 1wt% or so；
(2) it removes the gred: the pulp suspension for being 0.3wt% at concentration by thick stock dilution, while slurry is removed using scummer
In non-fiber impurity.
(3) with slurry: by the slurry by slagging-off, the pulp suspension of 0.1wt% to be diluted to, in case starching.
(4) streaming distribution: stirring slurry using blender, guarantees that slurry is kept uniformly, through head box that slurry is uniformly defeated
It send to fourdrinier machine.
(5) drainage and formation: the slurry on fourdrinier machine is evenly distributed on by vacuum suction, fiber is deposited on mesh belt
Preliminarily forming, then through high press-dehydrating, partial moisture in heat insulation felt is removed, so that the water capacity control of heat insulation felt is on the left side 70wt%
It is right.
(6) it is glued: above-mentioned binder being glued by infusion process, resin added is controlled in 4.5wt%.
(7) dry: heat insulation felt to be delivered in baking oven, drying temperature is 130 DEG C.
(8) it cuts winding: heat insulation felt being cut to satisfactory size and winding using cutting apparatus and spare is obtained
Heat insulation felt.Test result is as shown in table 1.
Embodiment 3
The heat insulation felt of the present embodiment is made of the raw material of following mass percent:
Glass fibre 70%, basalt fibre 23%, binder 6.5%, auxiliary agent 0.5%
Wherein, it is 6mm, the glass chopped silk that fibre diameter is 8 μm that glass fibre, which is length,.
Glass fiber component is SiO2: 55wt%, CaO:24wt%, MgO:1wt%, Al2O3: 14wt%, B2O3: 6wt%.
Basalt fibre is that length is 6mm, the chopped silk of the basalt fibre that fibre diameter is 6 μm.
Binder is the silane coupled of 39wt% cation polyurethane lotion, 60wt% polyvinyl acetate emulsion and 1wt%
Agent KH-570 is compounded.
Auxiliary agent: hydroxymethyl cellulose thickener, non-ionic dispersing agent PEO, ethylene oxide defoaming agent.
The present embodiment prepares charcoal and heats the method that do not burn with heat insulation felt, comprising the following steps:
(1) slurrying: above-mentioned glass fibre and basalt fibre and above-mentioned thickener, dispersing agent, defoaming agent etc. are put into
In pulping equipment, fiber is sufficiently discongested, the preliminary concentration of slurry that controls is 1.5wt% or so；
(2) it removes the gred: the pulp suspension for being 0.75wt% at concentration by thick stock dilution, while slurry is removed using scummer
In non-fiber impurity.
(3) with slurry: by the slurry by slagging-off, the pulp suspension of 0.1wt% to be diluted to, in case starching.
(4) streaming distribution: stirring slurry using blender, guarantees that slurry is kept uniformly, through head box that slurry is uniformly defeated
It send to fourdrinier machine.
(5) drainage and formation: the slurry on fourdrinier machine is evenly distributed on by vacuum suction, fiber is deposited on mesh belt
Preliminarily forming, then through high press-dehydrating, partial moisture in heat insulation felt is removed, so that the water capacity control of heat insulation felt is on the left side 75wt%
It is right.
(6) it is glued: being glued using above-mentioned binder by infusion process, resin added is controlled in 6.5wt%.
(7) dry: heat insulation felt to be delivered in baking oven, drying temperature is 200 DEG C.
(8) it cuts winding: heat insulation felt being cut to satisfactory size and winding using cutting apparatus and spare is obtained
Heat insulation felt.Test result is as shown in table 1.
Embodiment 1-3 is obtained into heat insulation felt test result such as table 1, and is compared with common glass fiber felt (control sample).
The detection data of table 1 embodiment heat insulation felt and control sample
Note: the wherein flexible ability that bending deformation is born for heat insulation felt, testing procedure and condition are as follows: use heat insulation felt from regulation
The curved surface of radian is around state representation later.The curved slab used is with a thickness of 10mm, arc radius R=5mm.Cutting size is
The heat insulation felt of 50mm × 250mm one, the length direction of heat insulation felt are parallel to the length direction of felt volume.Heat insulation felt is close to curved surface
Plate is bent 180 ° around circular arc in 10s, detects by an unaided eye heat insulation felt situation at the illumination place of becoming clear, if whether there is or not folding line, fracture and
Lamination.
As can be seen from Table 1, the content of organics of the embodiment of the present invention heat insulation felt is lower than control sample, air penetrability, heating
The indexs such as permanent line variation, thermal coefficient and flexibility are significantly improved also superior to control sample, especially flexible index.
The cigarette that do not burn is heated for charcoal using heat insulation felt of the embodiment of the present invention, it is wrapped good with carbonaceous heat source,
Thermal insulation is good, does not influence lighting and burning for charcoal heat source, and unharmful substance discharges.Simultaneously it has also been found that heat insulation felt of the invention
The particulate matter and residue generated when for the burning of carbonaceous heat source and after burning has good suction-operated, aspiration procedure and suction
After discovery have seldom ash content；And the particulate matter and residue generated when commonly glass fiber felt burns for carbonaceous heat source and after burning
Without suction-operated, discovery has many ash contents after aspiration procedure and suction.
It above are only three specific embodiments of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention with this design, should belong to the behavior for invading the scope of protection of the invention.But it is all
Without departing from the content of technical solution of the present invention, according to the technical essence of the invention any type of letter made to the above embodiment
Single modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (9)
1. a kind of heat insulation felt, which is characterized in that including following component: fibrous material 85-98wt%, binder 2-10wt% are helped
Agent 0.1-5wt%；The heat insulation felt is with a thickness of 0.3mm-5mm, and air penetrability is 2.0-4.5m/s at pressure difference 127Pa, and heating is forever
Long Linear change rate 1h at 300 DEG C is not more than 1%；Thermal coefficient is 0.025-0.043W/ (mK) at 25 DEG C；Its flexibility exists
When R=5mm, there are not folding line, fracture and layering.
2. heat insulation felt according to claim 1, which is characterized in that the fibrous material is glass fibre or glass fibre
With basalt fibre composition or glass fibre and carbon fibers object or glass fibre and basalt fibre and carbon fiber group
Close one of object；In the fibrous material, glass fibre 50%-100wt%, carbon fiber or basalt fibre are 0%-
50wt%.
3. heat insulation felt according to claim 2, which is characterized in that the diameter of the glass fibre is 4-12 μm, and length is
10-40mm；The diameter of the carbon fiber is 4-10 μm, length 2-25mm；The basalt fibre diameter is 4-10 μm, length
For 3-30mm.
4. heat insulation felt according to claim 1 to 3, which is characterized in that the glass fibre includes following components,
SiO2: 50-55wt%, CaO:20-25wt%, MgO:0-1wt%, Al2O3: 10-15wt%, B2O3: 4-6w%t.
5. heat insulation felt according to claim 1, which is characterized in that the binder is cationic binder；The sun
Ionic binder is one or more of polyvinyl alcohol, acrylic emulsion, polyaminoester emulsion, polyvinyl acetate, starch
Composition.
6. heat insulation felt according to claim 5, which is characterized in that the binder further includes silane coupling agent, the silicon
Shared ratio is 0.1-1wt% to alkane coupling agent in a binder.
7. heat insulation felt according to claim 1, which is characterized in that the auxiliary agent include thickener, dispersing agent, defoaming agent or
One of softening agent or more than one compositions.
8. the preparation method of -7 any heat insulation felts according to claim 1, which comprises the following steps: by fiber
Material and auxiliary agent mix in proportion to obtain slurry；Obtained slurry is removed into non-fiber impurity, is then diluted；It will dilution
Slurry afterwards is uniformly delivered on fourdrinier machine then dehydration forming；Heat insulation felt surface after forming is passed through into spray process or leaching
Stain method applies a certain proportion of binder, then heats the cigarette that do not burn in 80-250 DEG C of dry solidification to get to the charcoal
Use heat insulation felt.
9. a kind of heat purposes in the cigarette that do not burn for charcoal using any heat insulation felt of claim 1-7.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153141.XA CN109793264A (en) | 2019-02-28 | 2019-02-28 | It a kind of heat insulation felt, preparation method and does not burn the purposes of cigarette for charcoal heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153141.XA CN109793264A (en) | 2019-02-28 | 2019-02-28 | It a kind of heat insulation felt, preparation method and does not burn the purposes of cigarette for charcoal heating |
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| CN109793264A true CN109793264A (en) | 2019-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522987A (en) * | 2020-12-16 | 2021-03-19 | 江苏长海复合材料股份有限公司 | Preparation method of cigarette glass fiber felt |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174772A (en) * | 2011-01-20 | 2011-09-07 | 程启进 | Method for preparing high-temperature-resistant carbon fiber and glass fiber composite membrane |
| CN109291558A (en) * | 2018-10-31 | 2019-02-01 | 云南中烟工业有限责任公司 | A kind of heating of charcoal is not burnt cigarette composite heat-insulated material and preparation method thereof |
-
2019
- 2019-02-28 CN CN201910153141.XA patent/CN109793264A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174772A (en) * | 2011-01-20 | 2011-09-07 | 程启进 | Method for preparing high-temperature-resistant carbon fiber and glass fiber composite membrane |
| CN109291558A (en) * | 2018-10-31 | 2019-02-01 | 云南中烟工业有限责任公司 | A kind of heating of charcoal is not burnt cigarette composite heat-insulated material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 罗红林 等: "《复合材料精品教程》", 31 May 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522987A (en) * | 2020-12-16 | 2021-03-19 | 江苏长海复合材料股份有限公司 | Preparation method of cigarette glass fiber felt |
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