CN105442333A - Preparation method of high-wear-resistance low-VOC (volatile organic compounds) polyvinyl chloride car seat material - Google Patents
Preparation method of high-wear-resistance low-VOC (volatile organic compounds) polyvinyl chloride car seat material Download PDFInfo
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- CN105442333A CN105442333A CN201510988622.4A CN201510988622A CN105442333A CN 105442333 A CN105442333 A CN 105442333A CN 201510988622 A CN201510988622 A CN 201510988622A CN 105442333 A CN105442333 A CN 105442333A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
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- 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
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/16—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with oil varnishes, i.e. drying oil varnishes, preferably linseed-oil-based; factice (sulfurised oils), Turkish birdlime, resinates reacted with drying oils; naphthenic metal salts
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- 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
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention relates to a preparation method of a high-wear-resistance low-VOC (volatile organic compounds) polyvinyl chloride car seat material. The preparation method comprises the following steps: mixing a physical foaming agent with a diluting agent, and stirring uniformly to prepare a sizing agent I; adding PVC powder, the sizing agent I, a plasticizing agent and a stabilizing agent into a mixing bucket, and stirring uniformly to prepare a sizing agent II for later use; coating with the sizing agent I and the sizing agent II on a coating machine, and performing plasticization of PVC and formation of a cellular structure according to set parameters; treating the surface of a material by using a water base paint to protect a PVC skin; stamping patterns on the PVC skin at a high temperature; and performing cutting, wherein the physical foaming agent is a microsphere foaming agent having a microsphere structure takingacrylonitrile copolymer or vinylidene chloride as a shell and low-boiling-point hydrocarbon liquid as a core, and the water base paint comprises waterborne polyurethane, an isocyanate crosslinking agent containing double functional groups, and an organic defoaming agent. According to the preparation method, a basic formula of a polyvinyl chloride material is improved, a low-sporadic raw material can be screened out, and the high-wear-resistance low-VOC polyvinyl chloride car seat material can be obtained.
Description
Technical field
The invention belongs to automotive material field, be specifically related to the preparation method of a kind of high abrasion low VOC polyvinyl chloride Automobile Seat Materials.
Background technology
Pvc material is now conventional automotive interior material, and traditional polyvinyl chloride Automobile Seat Materials great majority adopt rolling process to produce, and pvc material feel prepared by this process is partially hard, and ABRASION RESISTANCE is poor, and therefore, service life is shorter.When preparing polyvinyl chloride interior material, usual employing Celogen Az class chemical foaming agent is as pore former, after chemical foaming agent mixes with Corvic, go out gas at blowing agent decomposing and make product formation hole-closing structure, the poor air permeability of material, the release of ammonia causes material to produce sharp aroma, material not only smell is large, VOC content is also higher simultaneously, cannot meet client to low smell, the requirement of low VOC material.
And, the solvent type paint of the many employings of surface conditioning agent of tradition polyvinyl chloride Automobile Seat Materials, although key property meets the demands, but cause the higher of VOC content, because the volatilization of paint is a process slowly, so be easily detrimental to health for a long time, cause some bad reactions of human body, such as dizzy, feel sick, the bad reactions such as vomiting.
Moreover, the superficial makings of tradition polyvinyl chloride Automobile Seat Materials is more single, be divided into open grain and close grain two kinds substantially, but along with computer carving decorative pattern technology improve constantly and client to the multifarious demand of decorative pattern, there is the scientific and technological texture of special effect of decorative patterns, be subject to liking of client, the decorative pattern of scientific and technological texture be applied to polyvinyl chloride automotive trim seat material, brand-new visual experience can be brought to client.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the preparation method of a kind of high abrasion low VOC polyvinyl chloride Automobile Seat Materials, by improving the basic components of existing cladding process pvc material, filter out low sporadic raw material, in conjunction with there is the aqueous paint of superior abrasion resistance and there is the patterned roll of scientific and technological texture, produce one and there is high abrasion low VOC polyvinyl chloride Automobile Seat Materials.
For achieving the above object, technical scheme of the present invention is as follows:
A preparation method for high abrasion low VOC polyvinyl chloride Automobile Seat Materials, comprises the following steps:
Step one, physical blowing agent preliminary treatment: physical blowing agent and diluent TM8-10 are mixed according to 1:2 ratio, stirs, make slurry one, for subsequent use;
Step 2, mixed slurry: 50-60 part polyvinyl chloride resin, 0.5-1 part described slurry one, 30-50 part plasticizer, 5-10 part colorant, 1-2 part stabilizing agent joins in tempering tank, stirs, and is prepared into slurry two, for subsequent use;
Step 3, coating: described slurry one and slurry two are coated with on coating machine, carry out plasticizing and the microcellular structure formation of PVC according to the parameter of setting; The thickness proportion of plasticizing layer and microcellular structure layer is 1:1;
Step 4, printing: the material surface process aqueous paint obtained in step 3, protection PVC epidermis, optimizes sense of touch and the outward appearance of PVC epidermis;
Step 5, embossing: 185 DEG C-195 DEG C, press decorative pattern at PVC epidermis, makes PVC epidermis have the outward appearance decorative pattern the same with corium and feel;
Step 6, cutting: the cutting carrying out different size;
Described physical blowing agent is microballoon blowing agent, described microballoon blowing agent be acrylonitrile copolymer or vinylidene chloride as shell, low boiling hydrocarbon liquid is as the micro-sphere structure of core;
Described plasticizer is low volatilization linear polymeric plasticizer;
Described diluent is Organic Alcohol and the agent of organosilane ester mixture diluted;
Described colorant comprise following in one or more: iron oxide red, chromium antimony titan yellow and titanium dioxide;
Described stabilizing agent comprise following in one or more: organic epoxies or barium-zinc class stabilizing agent;
Described aqueous paint comprises: aqueous polyurethane, the isocyanate crosslinking containing difunctional, organic defoamer.
Preferably, the physical blowing agent preprocess method described in step one comprises:
First, the weight of microballoon blowing agent and diluent is confirmed;
Secondly, join in tempering tank by described microballoon blowing agent and diluent, 300 revs/min are stirred 8min;
Finally, vacuumize, stir 8min under vacuum conditions, be prepared into slurry one, for subsequent use.
Preferably, the mixed paste-making method described in step 2 comprises:
The first step, confirm the weight of described slurry two, convert out the consumption of white slurry and mill base in described slurry two, and the consumption of each component is inputted in computer;
Second step, add plasticizer in tempering tank, then add stabilizing agent and other auxiliary agent in tempering tank, finally add in the tempering tank of PVC powder;
3rd step, stirring at low speed, stir 40min, vacuumize 8min, stir 8min under vacuo by then 500 revs/min;
4th step, blowing, detect the k value of described slurry two.
Preferably, the k value of described slurry two is 4000-17000cps.
Preferably, PVC plastic structure and microcellular structure can be compounded on textile substrate by the coating process described in step 3, and described textile substrate is knitted cloth or nonwoven fabric;
Described coating process comprises:
The first step, release liners send, and described release liners carries out epidermis coating, dry;
Second step, the lower surface of epidermis coating layer carry out foaming coating, dry, microcellular structure is pre-formed;
3rd step, in described microcellular structure lower surface glue coated, then textile substrate described in glue layer compound;
Microcellular structure sizing after 4th step, oven dry, finished product storing;
5th step, finished product tear release liners, and product is curling.
Preferably, the printing process described in step 4 is: aqueous paint on the PVC epidermis through coating, then dry, after cooling, product is curling.
Preferably, the embossing process described in step 5 is: PVC epidermis preheating after printing, then use knurling rolls embossing, after cooling, product is curling.
Preferably, described polyvinyl chloride Automobile Seat Materials comprises from top to bottom successively: two-layer skin of paint, PVC epidermal area, microcellular foamed polymer and textile substrate layer.
The invention has the beneficial effects as follows:
The high-wearing feature of polyvinyl chloride Automobile Seat Materials prepared by one, the present invention, outside the Pass having with the basic components of polyvinyl chloride itself, the paint performance also having material itself to use is closely bound up, select the paint of high abrasion, effectively can improve the service life of material, increase the anti-wear performance of material.
Two, material prescription of the present invention screens sporadic low, raw material that smell is low, improve the distribution performance of Automobile Seat Materials greatly, the laws and regulations meeting country at present require day by day strict requirement to the environmental-protecting performance of polyvinyl chloride Automobile Seat Materials.
Three, the decorative pattern of scientific and technological texture is applied to polyvinyl chloride automotive trim seat material by the present invention, brings brand-new visual experience to client, also meets client to the multifarious demand of decorative pattern.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Pvc material structural representation in Fig. 1 the present invention.
Wherein, 1-skin of paint, 2-PVC epidermal area, 3-microcellular foamed polymer, 4-textile substrate layer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Disclose the preparation method of a kind of high abrasion low VOC polyvinyl chloride Automobile Seat Materials in the present embodiment, comprise the following steps:
Step one, physical blowing agent preliminary treatment: by physical blowing agent and mixing diluents, stir, make slurry one.Concrete, first, confirm the weight of microballoon blowing agent and diluent; Secondly, above-mentioned microballoon blowing agent and diluent are joined in tempering tank, the stirring at low speed 8min of 300 revs/min; Finally, vacuumize, stir 8min under vacuum conditions, be prepared into slurry one, for subsequent use.
Step 2, mixed slurry: 50 parts of PVC powder, 0.5 part of above-mentioned slurry, one, 30 parts of plasticizer and 1 part of stabilizing agent are joined in tempering tank, stirs, be prepared into slurry two, for subsequent use.
Above-mentioned mixed paste-making method comprises:
The first step, confirm the weight of above-mentioned slurry two, convert out the consumption of white slurry and mill base in above-mentioned slurry two, and the consumption of each component is inputted in computer;
Second step, add plasticizer in tempering tank, then add stabilizing agent and other auxiliary agent in tempering tank, finally add in the tempering tank of PVC powder;
3rd step, stirring at low speed, then high-speed stirred 40min, vacuumize 8min, stir 8min under vacuo;
4th step, blowing, detect the k value of above-mentioned slurry two, and k value is 4000-17000cps.
Step 3, coating: above-mentioned slurry one and slurry two are coated with on coating machine, carry out plasticizing and the microcellular structure formation of PVC according to the parameter of setting, above-mentioned plasticizing layer is 1:1.2 with the ratio of microcellular structure layer thickness.
Above-mentioned coating process comprises:
The first step, release liners send, and above-mentioned release liners carries out epidermis coating, dry;
Second step, the lower surface of epidermis coating layer carry out foaming coating, dry, microcellular structure is pre-formed;
3rd step, in above-mentioned microcellular structure lower surface glue coated, then at the above-mentioned textile substrate of glue layer compound;
Microcellular structure sizing after 4th step, oven dry, finished product storing;
5th step, finished product tear release liners, and product is curling.
Step 4, printing: the material surface process aqueous paint obtained in step 3, protection PVC epidermis, optimizes sense of touch and the outward appearance of PVC epidermis; Coating epidermis → upper aqueous paint → oven dry → cooling → product is curling.
Step 5, embossing: under 180 DEG C of high temperature, press decorative pattern at PVC epidermis, make PVC epidermis have the outward appearance decorative pattern the same with corium and feel; The concrete technology flow process of embossing is: printing epidermis → preheating → knurling rolls embossing → cooling → product is curling
Step 6, cutting: the cutting carrying out different size.
Embodiment 2
Disclose the preparation method of a kind of high abrasion low VOC polyvinyl chloride Automobile Seat Materials in the present embodiment, comprise the following steps:
Step one, physical blowing agent preliminary treatment: by physical blowing agent and mixing diluents, stir, make slurry one.Concrete, first, confirm the weight of microballoon blowing agent and diluent; Secondly, above-mentioned microballoon blowing agent and diluent are joined in tempering tank, the stirring at low speed 8min of 300 revs/min; Finally, vacuumize, stir 8min under vacuum conditions, be prepared into slurry one, for subsequent use.
Step 2, mixed slurry: 55 parts of PVC powder, 0.9 part of above-mentioned slurry, one, 40 parts of plasticizer and 1.5 parts of stabilizing agents are joined in tempering tank, stirs, be prepared into slurry two, for subsequent use.
Above-mentioned mixed paste-making method comprises:
The first step, confirm the weight of above-mentioned slurry two, convert out the consumption of white slurry and mill base in above-mentioned slurry two, and the consumption of each component is inputted in computer;
Second step, add plasticizer in tempering tank, then add stabilizing agent and other auxiliary agent in tempering tank, finally add in the tempering tank of PVC powder;
3rd step, stirring at low speed, then high-speed stirred 40min, vacuumize 8min, stir 8min under vacuo;
4th step, blowing, detect the k value of above-mentioned slurry two, and k value is 4000-17000cps.
Step 3, coating: above-mentioned slurry one and slurry two are coated with on coating machine, carry out plasticizing and the microcellular structure formation of PVC according to the parameter of setting, the ratio of above-mentioned plasticizing layer and microcellular structure thickness is 1:1.2.
Above-mentioned coating process comprises:
The first step, release liners send, and above-mentioned release liners carries out epidermis coating, dry;
Second step, the lower surface of epidermis coating layer carry out foaming coating, dry, microcellular structure is pre-formed;
3rd step, in above-mentioned microcellular structure lower surface glue coated, then at the above-mentioned textile substrate of glue layer compound;
Microcellular structure sizing after 4th step, oven dry, finished product storing;
5th step, finished product tear release liners, and product is curling.
Step 4, printing: the material surface process aqueous paint obtained in step 3, protection PVC epidermis, optimizes sense of touch and the outward appearance of PVC epidermis; Coating epidermis → upper aqueous paint → oven dry → cooling → product is curling.
Step 5, embossing: under 190 DEG C of high temperature, press decorative pattern at PVC epidermis, make PVC epidermis have the outward appearance decorative pattern the same with corium and feel; The concrete technology flow process of embossing is: printing epidermis → preheating → knurling rolls embossing → cooling → product is curling
Step 6, cutting: the cutting carrying out different size.
Embodiment 3
Disclose the preparation method of a kind of high abrasion low VOC polyvinyl chloride Automobile Seat Materials in the present embodiment, comprise the following steps:
Step one, physical blowing agent preliminary treatment: by physical blowing agent and mixing diluents, stir, make slurry one.Concrete, first, confirm the weight of microballoon blowing agent and diluent; Secondly, above-mentioned microballoon blowing agent and diluent are joined in tempering tank, the stirring at low speed 8min of 300 revs/min; Finally, vacuumize, stir 8min under vacuum conditions, be prepared into slurry one, for subsequent use.
Step 2, mixed slurry: 60 parts of PVC powder, 1 part of above-mentioned slurry, one, 50 parts of plasticizer and 2 parts of stabilizing agents are joined in tempering tank, stirs, be prepared into slurry two, for subsequent use.
Above-mentioned mixed paste-making method comprises:
The first step, confirm the weight of above-mentioned slurry two, convert out the consumption of white slurry and mill base in above-mentioned slurry two, and the consumption of each component is inputted in computer;
Second step, add plasticizer in tempering tank, then add stabilizing agent and other auxiliary agent in tempering tank, finally add in the tempering tank of PVC powder;
3rd step, stirring at low speed, then high-speed stirred 40min, vacuumize 8min, stir 8min under vacuo;
4th step, blowing, detect the k value of above-mentioned slurry two, and k value is 4000-17000cps.
Step 3, coating: above-mentioned slurry one and slurry two are coated with on coating machine, carry out plasticizing and the microcellular structure formation of PVC according to the parameter of setting, the ratio of above-mentioned plasticizing layer and microcellular structure thickness is 1:1.2.
Above-mentioned coating process comprises:
The first step, release liners send, and above-mentioned release liners carries out epidermis coating, dry;
Second step, the lower surface of epidermis coating layer carry out foaming coating, dry, microcellular structure is pre-formed;
3rd step, in above-mentioned microcellular structure lower surface glue coated, then at the above-mentioned textile substrate of glue layer compound;
Microcellular structure sizing after 4th step, oven dry, finished product storing;
5th step, finished product tear release liners, and product is curling.
Step 4, printing: the material surface process aqueous paint obtained in step 3, protection PVC epidermis, optimizes sense of touch and the outward appearance of PVC epidermis; Coating epidermis → upper aqueous paint → oven dry → cooling → product is curling.
Step 5, embossing: under 195 DEG C of high temperature, press decorative pattern at PVC epidermis, make PVC epidermis have the outward appearance decorative pattern the same with corium and feel; The concrete technology flow process of embossing is: printing epidermis → preheating → knurling rolls embossing → cooling → product is curling
Step 6, cutting: the cutting carrying out different size.
In embodiment 1-3, above-mentioned physical blowing agent is microballoon blowing agent, above-mentioned microballoon blowing agent be acrylonitrile copolymer or vinylidene chloride as shell, low boiling hydrocarbon liquid is as the micro-sphere structure of core; Above-mentioned aqueous paint comprises: aqueous polyurethane, the isocyanate crosslinking containing difunctional, organic defoamer.
As shown in fig. 1, the polyvinyl chloride Automobile Seat Materials that said method prepares comprises from top to bottom successively: two-layer skin of paint 1, PVC epidermal area 2, microcellular foamed polymer 3 and textile substrate layer 4.
In sum, the high-wearing feature of above-mentioned polyvinyl chloride Automobile Seat Materials, outside the Pass having with the basic components of polyvinyl chloride itself, the paint performance also having material itself to use is closely bound up, select the paint of high abrasion, effectively can improve the service life of material, increase the anti-wear performance of material.
Sporadic low, the raw material that smell is low of above-mentioned pvc material recipe determination, improve the distribution performance of Automobile Seat Materials greatly, the laws and regulations meeting country at present require day by day strict requirement to the environmental-protecting performance of polyvinyl chloride Automobile Seat Materials.
Further, the decorative pattern of scientific and technological texture is applied to polyvinyl chloride automotive trim seat material, brings brand-new visual experience to client, also meet client to the multifarious demand of decorative pattern.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a preparation method for high abrasion low VOC polyvinyl chloride Automobile Seat Materials, comprises the following steps:
Step one, physical blowing agent preliminary treatment: physical blowing agent and diluent TM8-10 are mixed according to 1:2 ratio, stirs, make slurry one, for subsequent use;
Step 2, mixed slurry: 50-60 part polyvinyl chloride resin, 0.5-1 part described slurry one, 30-50 part plasticizer, 5-10 part colorant, 1-2 part stabilizing agent joins in tempering tank, stirs, and is prepared into slurry two, for subsequent use;
Step 3, coating: described slurry one and slurry two are coated with on coating machine, carry out plasticizing and the microcellular structure formation of PVC according to the parameter of setting; The thickness proportion of plasticizing layer and microcellular structure layer is 1:1;
Step 4, printing: the material surface process aqueous paint obtained in step 3, protection PVC epidermis, optimizes sense of touch and the outward appearance of PVC epidermis;
Step 5, embossing: 185 DEG C-195 DEG C, press decorative pattern at PVC epidermis, makes PVC epidermis have the outward appearance decorative pattern the same with corium and feel;
Step 6, cutting: the cutting carrying out different size;
It is characterized in that, described physical blowing agent is microballoon blowing agent, described microballoon blowing agent be acrylonitrile copolymer or vinylidene chloride as shell, low boiling hydrocarbon liquid is as the micro-sphere structure of core;
Described plasticizer is low volatilization linear polymeric plasticizer;
Described diluent is Organic Alcohol and the agent of organosilane ester mixture diluted;
Described colorant comprise following in one or more: iron oxide red, chromium antimony titan yellow and titanium dioxide;
Described stabilizing agent comprise following in one or more: organic epoxies or barium-zinc class stabilizing agent;
Described aqueous paint comprises: aqueous polyurethane, the isocyanate crosslinking containing difunctional, organic defoamer.
2. the preparation method of high abrasion according to claim 1 low VOC polyvinyl chloride Automobile Seat Materials, is characterized in that, the physical blowing agent preprocess method described in step one comprises:
First, the weight of microballoon blowing agent and diluent is confirmed;
Secondly, join in tempering tank by described microballoon blowing agent and diluent, 300 revs/min are stirred 8min;
Finally, vacuumize, stir 8min under vacuum conditions, be prepared into slurry one, for subsequent use.
3. the preparation method of high abrasion according to claim 1 low VOC polyvinyl chloride Automobile Seat Materials, is characterized in that, the mixed paste-making method described in step 2 comprises:
The first step, confirm the weight of described slurry two, convert out the consumption of white slurry and mill base in described slurry two, and the consumption of each component is inputted in computer;
Second step, add plasticizer in tempering tank, then add stabilizing agent and other auxiliary agent in tempering tank, finally add in the tempering tank of PVC powder;
3rd step, stirring at low speed, stir 40min, vacuumize 8min, stir 8min under vacuo by then 500 revs/min;
4th step, blowing, detect the k value of described slurry two.
4. the preparation method of high abrasion according to claim 3 low VOC polyvinyl chloride Automobile Seat Materials, is characterized in that, the k value of described slurry two is 4000-17000cps.
5. the preparation method of high abrasion according to claim 1 low VOC polyvinyl chloride Automobile Seat Materials, it is characterized in that, PVC plastic structure and microcellular structure can be compounded on textile substrate by the coating process described in step 3, and described textile substrate is knitted cloth or nonwoven fabric;
Described coating process comprises:
The first step, release liners send, and described release liners carries out epidermis coating, dry;
Second step, the lower surface of epidermis coating layer carry out foaming coating, dry, microcellular structure is pre-formed;
3rd step, in described microcellular structure lower surface glue coated, then textile substrate described in glue layer compound;
Microcellular structure sizing after 4th step, oven dry, finished product storing;
5th step, finished product tear release liners, and product is curling.
6. the preparation method of high abrasion according to claim 1 low VOC polyvinyl chloride Automobile Seat Materials, is characterized in that, the printing process described in step 4 is: aqueous paint on the PVC epidermis through coating, then dry, after cooling, product is curling.
7. the preparation method of high abrasion according to claim 1 low VOC polyvinyl chloride Automobile Seat Materials, is characterized in that, the embossing process described in step 5 is: PVC epidermis preheating after printing, then use knurling rolls embossing, after cooling, product is curling.
8. the polyvinyl chloride Automobile Seat Materials prepared by the preparation method of the high abrasion low VOC polyvinyl chloride Automobile Seat Materials described in claim 1-7 any one, it is characterized in that, described polyvinyl chloride Automobile Seat Materials comprises from top to bottom successively: two-layer skin of paint, PVC epidermal area, microcellular foamed polymer and textile substrate layer.
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Application publication date: 20160330 |