CN110373910A - A kind of high-permeability PVC artificial leather and its application - Google Patents
A kind of high-permeability PVC artificial leather and its application Download PDFInfo
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- CN110373910A CN110373910A CN201910619787.2A CN201910619787A CN110373910A CN 110373910 A CN110373910 A CN 110373910A CN 201910619787 A CN201910619787 A CN 201910619787A CN 110373910 A CN110373910 A CN 110373910A
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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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
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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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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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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- 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
- D06N3/0088—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 directly applying the resin
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- 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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- 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
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
- D06N2209/083—Multi-coloured
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- 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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1678—Resistive to light or to UV
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/14—Furniture, upholstery
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- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The present invention relates to field of new materials, more particularly to a kind of high-permeability PVC artificial leather and application, high-permeability PVC artificial leather is using modified PVC as raw material, a variety of auxiliary agents such as plasticizer, foaming agent, stabilizer, fire retardant are added, prepare light ultra-thin, wear-resisting PVC high-permeability artificial leather moisture resistance, the service life is long, flexibility is good, fidelity is high by techniques such as foaming, calendering, pad pastings.High-permeability PVC artificial leather of the invention can be used for decorating sofa furniture, automotive seat etc. and emulate demanding field to corium, the improved scheme of the present invention, impart the sense of touch and decorative pattern of PVC artificial leather animal dermis, can be according to consumer demand, the individual face fabricate-leather that pattern-making is exquisite, printing is clear, riotous with colour.
Description
Technical field
The present invention relates to decoration material fields, and in particular to a kind of preparation method and application of high-permeability PVC artificial leather.
Background technique
Today's society, as market economy develops rapidly, people's lives level is also correspondinglyd increase, for ornament materials
It is required that more fastidious and personalized.Nowadays domestic many cities carry out modernization construction in succession, and all trades and professions are gradually risen, high building
Mansion has become the masterpiece of urban development.Traditional surface decoration material such as lime wash or calcimine, but is easy pollution, no
It can be cleaned with wet process, be chiefly used in common buildings.Higher to build multi-purpose zero diopter mixed paint, color is abundant, not easy to pollute, but mixes
The organic solvent volatile quantity entered is big, pollute atmosphere, influence the health of construction personnel, therefore, find new indoor ornament materials at
For the development trend of building materials market.
Since last century the eighties, PVC plastic glue material initially enters domestic market, starts a burst of tide, with its ring
Ensure safety, it is light it is ultra-thin, be laid with the advantages such as convenient, the wear-resisting strong, good decorating effect of resistance to pressure and obtain the approval of consumer.PVC plastic
Glue material can be divided into compound figure and homogeneity figure by structure.
Composite floor board just refers to the floor for having multilayered structure (4 to 7 layers of structure) to be overrided to form, and generally has wearing layer, stamp
Layer, fibrous layer, foaming layer, base etc., composite floor board have the biggish scope of application, wear-resistant antibacterial, will not generate easily damage by worms,
With anti-slip features, elasticity is good；It is unlikely to deform, high temperature resistant is moist, and stability is high, the disadvantage is that construction technology and construction basis
Condition requires high.And homogeneity PVC floor refers to upper and lower homogeneous penetrating, i.e., is all the floor of same pattern from the inside to surface, this
The applicable range in kind floor is wider, and the aspect of application is relatively more, and floor itself is also relatively lighter, therefore can mitigate the carrying of building
Pressure, but shortcoming is that such floor wearability is bad, is easy to be worn；Floor is more fragile, and impact resistance is bad.
In current market environment, due to property defect existing for PVC itself, wears no resistance, lack the exquisiteness of lines
Sense and three-dimensional sense, flexibility is poor, limits it in the application in the markets such as sofa furniture, automobile interior decoration.The present invention by PVC into
Row is modified, and utilizes special technique technology of preparing, not only improves PVC wearability and flexibility, has material dynamic
The sense of touch and decorative pattern of object corium.
Summary of the invention
In order to solve the above-mentioned technical problem existing defect, the present invention provides high-permeability PVC artificial leather, and has animal
The sense of touch and decorative pattern of corium.
In order to achieve the above objectives, the technical solution of high-permeability PVC artificial leather of the invention is to be prepared via a method which
It obtains:
(1) modified PVC resin is prepared:, will by dredging nucleophilic substitution between based compound and polyvinyl chloride chlorine atom
Carboxyl, hydroxyl are introduced into PVC macromolecular chain, prepare the polyvinyl chloride containing carboxyl or hydroxyl；
(2) modified PVC resin, plasticizer, foaming agent, stabilizer, fire retardant are pressed into 100:1~3:3~5:1~3:1~3
Weight ratio mixed, stir evenly；
(3) mixture is calendered in scrim material using calendering and roller coating technology, wherein before four-roll calender
Roller, upper roller, central roll, lower roll carry out the setting of different temperatures, and preceding roll temperature is between 172~177 DEG C, and upper roller temperature setting is
188~192 DEG C；Middle roll temperature is 138~142 DEG C；Lower roll temperatures are set as 128~132 DEG C, further cool down, obtain primary
Product material；
(4) it foams to primary product material, is started to warm up from 140 DEG C, rise to 500 DEG C of the highest temperature, then cool down,
Obtain PVC artificial leather primary product；
(5) film coating process is finally used, using coating and slurry, coats pattern on PVC artificial leather primary product surface.
In step (1), PVC is added in thioacetic acid, the weight ratio of PVC and thioacetic acid is 2~5:1,65~95
It is stirred to react 2~6h at DEG C, nucleophilic substitution occurs, carboxyl, hydroxyl is introduced into PVC strand, obtain modified PVC resin.
A kind of high-permeability PVC artificial leather according to the present invention, above-mentioned modified PVC resin pass through sulfhydryl compound and polychlorostyrene second
Nucleophilic substitution between alkene (PVC) chlorine atom, carboxyl, hydroxyl are introduced into PVC macromolecular chain, are prepared containing carboxyl or hydroxyl
Polyvinyl chloride；Then it using the process characteristic that the plasticization temperature in artificial leather manufacturing process is high, the time is long, is plasticized by epoxies
Original position (in-situ) ring-opening reaction between agent molecule epoxide epoxy group group and carboxyl, hydroxyl, by plasticizer in the form of covalent bond anchor
Determine onto PVC macromolecular chain, realizes the internal plasticization to PVC.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, above-mentioned plasticizer are dioctyl phthalate
(DOP), a kind of colorless and odorless liquid, volume resistivity 1.87, shore hardness 82.6.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, above-mentioned foaming agent are azodicarbonamide (AC),
For its decomposition temperature between 187~215 DEG C, gas forming amount is 236~262mL/g, it is to use most wide excellentization in the industry
Learn foaming agent.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, above stabilizer is barium stearate, nontoxic, nothing
Particularity smell, stability is strong, is shallow white powder substance under room temperature.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, the fire retardant be bromine system and phosphorus flame retardant,
Specific ingredient is trichlorobromomethane and tricresyl phosphate, mixing ratio 1:1.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, above-mentioned scrim material are polyester felt foundation, by
100% PET combs networking, and length 1350m, wide cut is about 1008mm, with a thickness of 1.36mm.
One optimal technical scheme of high-permeability PVC artificial leather of the invention, above-mentioned coating are aqueous printed material, are used
The web plate of 120~220 mesh is printed, and covering power is strong, and coloring effect is excellent, and about 3-4 grades of washing fastness.
The present invention passes through the selecting and match of starting components, roller coating technology, foam process, pad pasting printing technology etc. four
What technology column was realized, it specifically includes: by modified PVC resin, plasticizer, foaming agent, stabilizer, fire retardant 100:1
~3:3~5:1~3:1~3 weight ratio is uniformly mixed, and mixture is calendered to base fabric material using calendering and roller coating technology
On material, wherein by the preliminary roller of four-roll calender, upper roller, central roll, lower roll carry out different temperatures setting, preceding roll temperature be 172 to
Between 177 DEG C, the temperature for first passing through preliminary roller carries out primary heating, while playing the process of preheating；Upper roller temperature setting be 188 to
Between 192 DEG C, temperature reaches highest, this stage is mainly warm-forming stage, and the temperature of upper roll temperature and preliminary roller is moment
Jump, moment heating achievees the purpose that filler and PVC structural damage to increase whole softness so that closely polymerize
Property；Central roll temperature setting is 138 to 142 DEG C, and middle roll temperature realizes again jump, moment drop on the basis of upper roll temperature
Temperature reaches and generates destructiveness to filler and the polymerization of PVC normality, penetrates into filler and PVC mutually, and property is complementary；Lower roller temperature
Degree is set as 128 to 132 DEG C, further cools down, and controls surface layer and foaming layer and discharges in this temperature range calendering formation, has
Conducive to subsequent cooling.In this way, this process is made using the method for first carrying out instantaneous temperature reduction after moment heating to filler and PVC
Filler and the polymerization of PVC normality generate destructiveness, penetrate into filler and PVC mutually, property is complementary.Foaming stages, proposed adoption
First heat up the six stage parabola temperature control techniques to cool down again, reaches the best purpose of foaming, gas permeability gets a promotion, also by PVC
Further it polymerize with filler, flexibility improves.Finally, using colorant and slurry, being applied on artificial leather surface using film coating process
Cover exquisite pattern.
The technical operation that this patent is related to includes a kind of preparation method of high-permeability PVC artificial leather, and embodiment is such as
Under:
(1) PVC raw material is added in thioacetic acid, the weight ratio of PVC and thioacetic acid is 2~5:1, at 65~95 DEG C
It is stirred to react 2~6h, nucleophilic substitution occurs, carboxyl, hydroxyl is introduced into PVC strand, obtain modified PVC resin；
(2) modified PVC resin, plasticizer, foaming agent, stabilizer, fire retardant are pressed into 100:1~3:3~5:1~3:1~3
Weight ratio mixed, stir evenly；
(3) mixture is calendered in scrim material using calendering and roller coating technology, wherein before four-roll calender
Roller, upper roller, central roll, lower roll carry out the setting of different temperatures, and preceding roll temperature is between 172~177 DEG C, and upper roller temperature setting is
188~192 DEG C；Middle roll temperature is 138~142 DEG C；Lower roll temperatures are set as 128~132 DEG C, further cool down, obtain primary
Product material；
(4) it foams to primary product material, is started to warm up from 140 DEG C, rise to 500 DEG C of the highest temperature, then cool down,
Obtain PVC artificial leather primary product；
(5) film coating process is finally used, using coating and slurry, coats pattern on PVC artificial leather primary product surface.
Second aspect of the present invention provides above-mentioned high-permeability PVC artificial leather, as the furniture leather product sold in the market.Tool
Body is such as used to decorate sofa furniture, automotive seat etc. and emulates demanding field to corium.
The advantage of high-permeability PVC artificial leather prepared by the present invention is:
A. high-permeability PVC artificial leather of the invention is prepared by raw materials such as PVC, plasticizer, foaming agents, has resistance to purple
Outside line, it is wear-resistant, mar-proof, indeformable the advantages that so that artificial leather have the bigger scope of application.
B. high-permeability PVC artificial leather of the invention can be used for decorating sofa furniture, automotive seat etc. and want to corium emulation
Ask high field, for the prior art PVC artificial leather there are flexibilities poor, lines it is not fine and smooth coherent enough the defects of, the present invention
Improved scheme imparts the sense of touch and decorative pattern of PVC artificial leather animal dermis, can be according to consumer demand, pattern-making essence
Beauty, the individual face fabricate-leather that printing is clear, riotous with colour, the public places such as supply hospital, school, hotel use, and are suitble to big face
Product uses.
C. high-permeability PVC artificial leather low raw-material cost of the invention, easily system are easy to get, environmentally protective, from a wealth of sources, and
And PVC artificial leather belongs to recyclable materials, and as people are higher and higher to healthy and safe requirement, high-permeability of the present invention
The plurality of advantages of artificial leather can be for a long time based on surface decoration material market.
Specific embodiment
Above scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are for illustrating
The present invention and be not limited to limit the scope of the invention.Implementation condition used in the examples can be done according to the condition of specific producer
Further adjustment, the implementation condition being not specified is usually the condition in routine experiment.
It introduces and summarizes
The present invention by way of example rather than provide the mode of limitation to be illustrated.It should be noted that in present disclosure
" one " or "an" embodiment is not necessarily referring to same specific embodiment, and refers at least a kind of.
Various aspects of the invention are described below.However, as will be readily apparent to one of skill in the art, it can
Only some or all of aspects according to the present invention implement the present invention.For purposes of illustration, provide herein specific number, material and
Configuration, enables one to thoroughly understand the present invention.However, those of skill in the art are evident that,
The present invention is without concrete details, that is, implementable.In other examples, many institutes have been omitted or simplified not make the present invention obscure
Known feature.
Various operations are successively described as multiple discrete steps, and with the side of the invention most helpful in understanding
Formula illustrates；However, in-order description should not be construed as to imply that these operations are necessarily dependent on sequence.
It will illustrate various embodiments according to the reactant of type species.Those of skill in the art will be shown and
It is clear to, any number of different types of reactant can be used to implement for the present invention, and be more than those for the purpose of illustration
And the reactant provided herein.In addition, also it is evident that, the invention is not limited to any specific mixing to show
Example.
Specific embodiment
Embodiment 1
(1) PVC raw material is added in thioacetic acid, the weight ratio of PVC and thioacetic acid is 3:1, is stirred at 85 DEG C anti-
3h is answered, nucleophilic substitution occurs, carboxyl, hydroxyl is introduced into PVC strand, obtain modified PVC resin；
(2) by modified PVC resin, dioctyl phthalate, azodicarbonamide, stabilizer, fire retardant 100:
The weight ratio of 2:4:2:2 is uniformly mixed, and 95 DEG C of whipping temp, revolving speed 600r/min, is uniformly mixed it；Wherein, stablize
Agent is barium stearate；Fire retardant is trichlorobromomethane and tricresyl phosphate, mixing ratio 1:1；
(3) (1) mixture is calendered in scrim material using calendering and roller coating technology, wherein by four-roll calender
Preliminary roller, upper roller, central roll, lower roll carry out the setting of different temperatures, and preceding roll temperature is 172 DEG C；Upper roller temperature setting is 188 DEG C；In
Roll temperature is set as 138 DEG C；Lower roll temperatures are set as 128 DEG C；
(4) it foams to (2) material, proposed adoption first heats up the six stage parabola temperature control techniques to cool down again, from 150 DEG C
It controls, the highest temperature reaches the best purpose of foaming to 500 DEG C, and gas permeability gets a promotion, also that PVC and filler is further
Polymerization, flexibility improve；
(5) film coating process is used, using colorant and slurry, coats exquisite pattern, rear winding fortune on (3) artificial leather surface
Out.
Embodiment 2
Compared with Example 1, preceding roll temperature in (3) is changed to 175 DEG C by 172 DEG C, other conditions remain unchanged.
Embodiment 3
Compared with Example 1, the upper roll temperature of step (3) is changed to 190 DEG C by 188 DEG C, other conditions remain unchanged.
Embodiment 4
Compared with Example 1, the middle roll temperature of step (3) is changed to 140 DEG C by 138 DEG C, other conditions remain unchanged.
Embodiment 5
Compared with Example 1, the lower roll temperatures of step (3) are changed to 130 DEG C by 128 DEG C, other conditions remain unchanged.
, fire prevention wear-resisting to the high-permeability PVC artificial leather progress obtained in embodiment 1-5, shrinking percentage, light transmittance are surveyed
It tries (being specifically shown in Table 1-4), it is found that it is similar the high-permeability PVC artificial leather obtained in embodiment 2-5 has with the product of embodiment 1
Performance.
1 high-permeability PVC artificial leather wearability test of table
| Embodiment | As a result it describes | Weightless value (g) | Determine |
| 1 | Sample surfaces are without breakage | 0.0344 | It is qualified |
| 2 | Sample surfaces are without breakage | 0.0256 | It is qualified |
| 3 | Sample surfaces are without breakage | 0.0315 | It is qualified |
| 4 | Sample surfaces are without breakage | 0.0248 | It is qualified |
| 5 | Sample surfaces are without breakage | 0.0364 | It is qualified |
The test of 2 high-permeability PVC artificial leather fire line of table
The test of 3 high-permeability PVC artificial leather shrinking percentage of table
The test of 4 high-permeability PVC artificial leather light transmittance of table
By above data as it can be seen that high-permeability PVC artificial leather of the invention has UV resistant, wear-resistant, mar-proof, no
The advantages that deformation, so that it has the bigger scope of application.
Specific embodiment described above is only the preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, without departing from the principle of the present invention, several improvement or replacement can also be made, these improvement
Or replacement should also be as being considered as protection scope of the present invention.
Claims (8)
1. high-permeability PVC artificial leather is prepared via a method which to obtain:
(1) prepare modified PVC resin: by dredging nucleophilic substitution between based compound and polyvinyl chloride chlorine atom, by carboxyl,
Hydroxyl is introduced into PVC macromolecular chain, prepares the polyvinyl chloride containing carboxyl or hydroxyl；
(2) modified PVC resin, plasticizer, foaming agent, stabilizer, fire retardant are pressed into 100:1~3:3~5:1~3:1~3 weight
Amount ratio is mixed, and is stirred evenly；
(3) mixture is calendered in scrim material using calendering and roller coating technology, wherein by the preliminary roller of four-roll calender, on
Roller, central roll, lower roll carry out different temperatures setting, preceding roll temperature be 172~177 DEG C between, upper roller temperature setting be 188~
192℃；Middle roll temperature is 138~142 DEG C；Lower roll temperatures are set as 128~132 DEG C, further cool down, obtain primary product material
Material；
(4) it foams to primary product material, is started to warm up from 140 DEG C, rise to 500 DEG C of the highest temperature, then cool down, obtain
PVC artificial leather primary product；
(5) film coating process is finally used, using coating and slurry, coats pattern on PVC artificial leather primary product surface.
2. high-permeability PVC artificial leather according to claim 1, which is characterized in that in step (1), sulfydryl is added in PVC
In acetic acid, the weight ratio of PVC and thioacetic acid is 2~5:1, and 2~6h is stirred to react at 65~95 DEG C, and it is anti-that nucleophilic displacement of fluorine occurs
Carboxyl, hydroxyl should be introduced into PVC strand, obtain modified PVC resin.
3. high-permeability PVC artificial leather according to claim 1, which is characterized in that the plasticizer is phthalic acid
Dioctyl ester；The foaming agent is azodicarbonamide.
4. high-permeability PVC artificial leather according to claim 1, which is characterized in that the stabilizer is barium stearate.
5. high-permeability PVC artificial leather according to claim 1, which is characterized in that the fire retardant is bromine system and phosphorus system
Fire retardant, the two mixing ratio are 1:1.
6. high-permeability PVC artificial leather according to claim 1, which is characterized in that the fire retardant is trichlorobromomethane
And tricresyl phosphate.
7. high-permeability PVC artificial leather according to claim 1, which is characterized in that scrim material is polyester felt foundation,
The coating is aqueous printed material, is printed using the web plate of 120~220 mesh.
8. the described in any item high-permeability PVC artificial leathers of claim 1-7 can be employed as furniture leather.
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| CN114161780A (en) * | 2021-12-15 | 2022-03-11 | 苏州市广得利橡塑有限公司 | High-strength wear-resistant coated artificial leather and preparation method thereof |
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