CN109056349A - Half silicon synthetic leather of one kind and preparation method thereof - Google Patents
Half silicon synthetic leather of one kind and preparation method thereof Download PDFInfo
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- CN109056349A CN109056349A CN201811016831.2A CN201811016831A CN109056349A CN 109056349 A CN109056349 A CN 109056349A CN 201811016831 A CN201811016831 A CN 201811016831A CN 109056349 A CN109056349 A CN 109056349A
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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
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
-
- 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
-
- 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
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- 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
- D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/128—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with silicon polymers
-
- 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
- D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of 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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/146—Soilproof, soil repellent
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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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
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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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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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
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1692—Weather resistance
Abstract
Half silicon synthetic leather of one kind and preparation method thereof, half silicon synthetic leather are followed successively by layer, PU synthetic leather layer at organosilicon table from top to bottom.Wherein the raw material for preparing of layer mainly includes organic silicon rubber, crosslinking agent, platinum catalyst, inhibitor, filler, coupling agent, promotor, organic solvent at organosilicon table, in the proper ratio after mixing, using gravure application, mixed raw material is printed on PU synthetic leather surface, half silicon synthetic leather can be obtained.The half silicon synthetic leather that the present invention obtains is greatly lowered compared to pure organosilicon synthetic leather cost, while compared to tradition PU leather holding organosilicon synthetic leather exquisiteness feel and excellent anti-pollution be mould proof and weatherability.
Description
Technical field
The invention belongs to technical field of synthetic leather, in particular to a kind of half silicon synthetic leather and preparation method thereof.
Background technique
Synthetic Leather market demand is huge at present, but China 90% be in, low grade products, be unable to satisfy the country
The market demand growing to high-grade leather.For currently on the market Synthetic Leather physical property and feel increasingly can not
Meets this problem of the needs of people, agent plays vital effect in synthetic leather field at synthetic leather table.Traditionally, gather
Agent is to assign synthetic leather by the new material compounded or synthesis technology produces with common PU resin by special auxiliary agent at urethane table
Waterproof, wear-resisting, scratch resistance, antifouling, weather-proof performance.But inorganic or organic filler is added in agent at traditional table, it can make to synthesize
Leather becomes thick and heavy, and feel can also be declined.Meanwhile agent is right using DMF, toluene, ethyl acetate, butanone as solvent at traditional table
Severe stress is caused in environment, recycling and administration is at high cost, serious waste of resources, therefore develops at a kind of high performance table of low pollution
Agent is the key that Leather Industry sustainable development.
Organosilicon material is because of its unique structure, excellent resistant of high or low temperature, weatherability, low surface tension, physiological inertia
And good film forming, gas permeability and hydrophobicity and receive significant attention.In recent years, organosilicon material is widely used in leather
Industry, manufactured organosilicon synthetic leather equally also have the above superior performance, organosilicon synthetic leather industry are promoted gradually to rise.
But due to its cost of material height, the price of organosilicon synthetic leather is considerably beyond common PU or PVC, secondly, organosilicon synthesizes
Remove from office the defects of poor there is also wear-resisting scratch resistance, as patent 201711124970.2,201410091143.8,
201710888463.X restrict its commercialization significantly.
Summary of the invention
The purpose of the present invention is overcoming traditional PU leather and organosilicon synthetic leather, propose half silicon synthetic leather of one kind and its
Preparation method, half silicon synthetic leather is prepared in agent at organosilicon table on Synthetic Leather surface printing, to reduce pure organic
The cost of silicon synthetic leather, while remaining the performances such as organosilicon pro-skin feel, antifouling.
The present invention is achieved by the following technical solutions.
A kind of half silicon synthetic leather of the present invention, including layer, PU synthetic leather layer at organosilicon table.At organosilicon table layer by
Agent printing drying at organosilicon table and obtain, wherein at organosilicon table agent raw material according to the mass fraction, including following components:
Organic silicon rubber 30-80%
The 1-25% of based cross-linker containing Si-H
Platinum catalyst 0.01-1%
Inhibitor 0.001-0.05%
Filler 0-50%
Coupling agent 0.5-25%
Promotor 0.1-8%
Organic solvent 0-60%
It is preferred:
Organic silicon rubber 40-60%
Based cross-linker containing Si-H 10-20%
Platinum catalyst 0.01-1%
Inhibitor 0.001-0.05%
Filler 20-50%
Coupling agent 5-25%
Promotor 2-8%
Organic solvent 20-60%.
The organic silicon rubber is the mixture of white carbon black and vinyl silicone oil, and wherein white carbon black includes vapor phase method hard charcoal
Black, precipitated silica, the vinyl silicone oil includes vinyl-terminated silicone fluid and multi-vinyl silicone oil, viscosity 100-
100000mPa.s。
The based cross-linker containing Si-H is the dimethyl silicone polymer that at least 3 hydrogen atoms are connected directly with Si, and hydrogen is former
Son is located at end position or side chain, hydrogen atom content 0.3-1.6%.
The platinum catalyst is isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl
Tetramethyl disiloxane complex or chloroplatinic acid -1,3,5,7- tetravinyl -1,3,5,7- tetramethyl-cyclotetrasiloxane cooperation
Object.
The inhibitor is methyl butynol, ethynylcyclohexanol, maleic acid containing alkynyl or derivatives thereof, containing alkynyl
Rich maleic acid or derivatives thereof, more vinyl polysiloxanes, pyridine, unsaturated acyl amine, organic phosphine or phosphite ester.
The filler be nano silica, aluminium hydroxide, aluminium oxide, magnesium hydroxide, zinc borate, alumina silicate, calcium carbonate,
One of magnesium carbonate, glass microballoon, white carbon black, organic siliconresin micro mist, silica, calcium carbonate, magnesia or two kinds
Combination of the above object.
The coupling agent is γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl front three
Oxysilane, γ-(the third oxygen of 2,3- epoxy) propyl-triethoxysilicane, three second of 2- (3,4- 7-oxa-bicyclo[4.1.0 base) ethyl
Oxysilane, vinyl trimethoxy or 3- [the third oxygen of (2,3)-epoxy] hydroxypropyl methyl dimethoxysilane or its composition,
Or the partial hydrolystate of above compound or composition.
The promotor is titanate esters, Aluminate, zirconate, one kind or two of zinc Isoocatanoate, two tin of tin dilaurate fourth
Kind or more mixture.
The PU synthetic leather includes PU layers and base fabric, and wherein PU layers include that PU adhesive layer and PU surface layer one or two combine
Object, base fabric include woven fabric, looped fabric, non-woven cloth, compound fabric and woven fabric cloth.
A kind of preparation method of half silicon synthetic leather of the present invention, comprising the following steps:
(1) according to ratio described in claim 1, organic silicon rubber, based cross-linker containing Si-H, inhibitor, filler, coupling agent are chosen
And organic solvent, high speed dispersion 2-3 hours, catalyst and promotor is added, mixes well, it is spare；
(2) mixture in step (1) is taken, using gravure application, agent at table is directly printed on PU synthetic leather surface, is printed
With a thickness of 5-70 μm, 3min is dried in 130 DEG C of baking oven, can be prepared by half silicon synthetic leather.
The present invention prepares half silicon synthetic leather by combining both PU leather and organosilicon synthetic leather, closes with organosilicon
Finished leather is greatly lowered compared to cost, while half silicon synthetic leather has both the properties of organosilicon again, and in addition half silicon leather also retains
Traditional PU removes from office scratch resistance, wear-resisting property.
Half silicon synthetic leather feel exquisiteness of the invention is similar to corium while having excellent anti-pollution mould proof and weatherability,
It reduces costs, provides guarantee for the sustainable development in synthetic leather market.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.Wherein, 1 is layer at organosilicon table, and 2 be PU synthetic leather layer.
Specific embodiment
The present invention will be described further by following embodiment.
Raw material used in following embodiment derives from commercially available.
Embodiment 1.
A kind of half silicon synthetic leather, each component of agent raw material weighs organic silicon rubber 30 by quality proportioning at organosilicon table
Part, 5 parts of based cross-linker containing Si-H, 0.01 part of inhibitor, 7 parts of (filler 1) flatting silica, 7 parts of (filler 2) ball-type silicon powder, coupling
10 parts of agent, 50 parts of organic solvent, after 500 turns/min of planetary mixer stirring 2h is added, 0. 3 parts of platinum catalysts of addition, 5 parts
500 turns/min of promotor takes out for use after stirring 30min.
Agent at table is directly printed on poly- by agent at the above-mentioned half silicon use for synthetic leather table prepared using gravure application
Urethane synthetic leather surface, print thickness are 10 μm, dry 3min in 130 DEG C of baking oven, can be prepared by half silicon synthetic leather.
Embodiment 2.
Be in place of this implementation column and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 80
Based cross-linker containing Si-H 25
Platinum catalyst 1
Inhibitor 0.001
(filler 1) silicone powders 5
(filler 2) white carbon black 10
Coupling agent 20
Promotor 8
Organic solvent 0
Embodiment 3.
Be in place of this implementation column and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 50
Based cross-linker containing Si-H 20
Platinum catalyst 0.1
Inhibitor 0. 001
(filler 1) silicone powders 10
(filler 2) magnesium hydroxide 10
Coupling agent 25
Promotor 2
Organic solvent 40
Embodiment 4.
Be in place of this implementation column and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 50
Based cross-linker containing Si-H 1
Platinum catalyst 0.01
Inhibitor 0.05
(filler 1) silicone powders 10
(filler 2) white carbon black 20
Coupling agent 0.5
Promotor 0.1
Organic solvent 40
Comparative example 1.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 5
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 10
Promotor 0
Organic solvent 50
Comparative example 2.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 5
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 10
Promotor 9
Organic solvent 50
Comparative example 3.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 0.1
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 10
Promotor 5
Organic solvent 50
Comparative example 4.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 26
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 10
Promotor 5
Organic solvent 50
Comparative example 5.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 5
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 0
Promotor 5
Organic solvent 50
Comparative example 6.
Be in place of this comparative example and the difference of embodiment 1: each component of agent raw material is by quality at half silicon use for synthetic leather table
It matches as follows:
Organic silicon rubber 30
Based cross-linker containing Si-H 5
Platinum catalyst 0.3
Inhibitor 0.01
(filler 1) flatting silica 7
(filler 2) ball-type silicon powder 7
Coupling agent 26
Promotor 5
Organic solvent 50
Comparative example 7.
Be in place of this comparative example and the difference of embodiment 1: PU synthetic leather is handled without agent at organosilicon table.
Comparative example 8.
This comparative example is identical as 201410091143.8 embodiment 1 of patent of invention, is one kind by substrate, bottom glue and surface layer
The organosilicon synthetic leather for the three-decker that glue is successively bonded.Wherein bottom glue includes the component of mass percent: organosilicon
Base rubber 80%, a, w- vinyldimethicone 5%, based cross-linker containing Si-H 7%, platinum catalyst 0.5%, inhibitor
0.01%, tackifier 2%, color 5%, promotor 0.49%；Surface layer glue includes the component of following mass percent: organic silicon rubber
10%, block type organic siliconresin 30%, based cross-linker containing Si-H 5%, platinum catalyst 0.5%, inhibitor 0.1%, color 5%, have
Solvent 49.4%.
The measuring method of each experimental method and evaluation method is as follows described.
1, soil resistance is tested
It is tested by the regulation of ASTM D1308-02, using household chemical product, including kitchen condiment, beverage, ball pen, is surveyed
The examination time is 15min, 1h, 2h, 8h, for 24 hours, and evaluation criteria is as follows:
Evaluation criteria:
1 grade of spot absolutely not removes；
2 grades of spots nearly all also exist；
3 grades of light soils；
4 grades without any residual stains.
2, antibacterial and mouldproof
It is tested by the regulation of GB/T 24346-2009, is judged by fungus growth situation mould proof, evaluation criteria is as follows:
Without obvious mildew under 0 grade of magnifying glass；
1 grade of mould area coverage is less than 10%；
2 grades of mould area coverages are less than 30%；
3 grades of mould area coverages are less than 60%；
4 grades of mould area coverages reach or surpass 60%.
3, peel strength
It is tested by the regulation of DIN53273, evaluation criteria is as follows:
Evaluation criteria:
General grade longitudinal direction > 1.5kgf/cm, transverse direction > 1.2kgf/cm；
Reinforce grade longitudinal direction > 2.5kgf/cm, transverse direction > 2kgf/cm；
Superpower grade longitudinal direction > 3kgf/cm, transverse direction > 2.5kgf/cm.
4, wear-resisting test
It is tested by the regulation of QB-T2726-2005, using CS-10 emery wheel, experiment condition loading 1000g tests revolution
1000 turns.
Evaluation criteria:
1 grade apparent；
2 grades obvious；
3 grades can tell；
4 grades are difficult to tell；
5 grades can not tell.
Embodiment 1-4 formula and the performance test results are as shown in table 1 below, the specific formula and performance test of comparative example 1-3
As a result as shown in table 2 below.
1 embodiment 1-4 of table formula and mechanical experimental results
The formula and the performance test results of 2 comparative example 1-8 of table
Physical Property Analysis: as can be seen from Table 1, embodiment 1-4 has excellent soil resistance, antibacterial and mouldproof and wearability,
Agent and the cohesive force of PU synthetic leather are good at organosilicon table, fully meet the requirement in market.And comparative example 1, promotor is not added,
Agent is easy to fall off in PU leather at organosilicon table, is unable to satisfy application；2 accelerator content of comparative example is more than 8%, and curing time is too fast,
The material resting period is too short, does not have demand of industrial production；3 content of based cross-linker containing Si-H of comparative example is less than 1%, and solidification is slower,
The glutinous hand in surface is serious, and performance is poor；4 content of based cross-linker containing Si-H of comparative example is higher than 25%, and solidified surface has obvious stomata, hand
Feel bad；Coupling agent is not added for comparative example 5, and agent and bonding force on PU leather are poor at organosilicon table, is unable to satisfy practical application；Than
Being coupled agent content compared with example 6 is more than 25%, due to there is a large amount of small molecules to release, leads at organosilicon table layer to have a large amount of stomatas, while by
Lead to agent poor storage stability at organosilicon table in the excess of coupling agent content, be unable to satisfy industrial production, comparative example 7 is PU
Leather, soil resistance and antibacterial and mouldproof are poor；Comparative example 8 uses the identical way of patent of invention 201710888463.X embodiment 1, due to
It is pure organosilicon synthetic leather, cost is very high and wear-resisting poor.
The above-mentioned the results show reasonability and actual effect of solution proposed by the present invention.
The Applicant declares that the present invention is explained by the above embodiments method detailed of the invention, but the present invention not office
Be limited to above-mentioned method detailed, that is, do not mean that the invention must rely on the above detailed methods to implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., all of which fall within the scope of protection and disclosure of the present invention.
Claims (10)
1. a kind of half silicon synthetic leather, it is characterized in that including layer, PU synthetic leather layer at organosilicon table, layer is by organosilicon at organosilicon table
Agent printing is dried and is obtained at table；Wherein at organosilicon table agent raw material according to the mass fraction, including following components:
Organic silicon rubber 30-80%
The 1-25% of based cross-linker containing Si-H
Platinum catalyst 0.01-1%
Inhibitor 0.001-0.05%
Filler 0-50%
Coupling agent 0.5-25%
Promotor 0.1-8%
Organic solvent 0-60%.
2. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the organic silicon rubber is white carbon black and second
The mixture of alkenyl silicone oil, wherein white carbon black includes fume colloidal silica, precipitated silica, and the vinyl silicone oil includes
Vinyl-terminated silicone fluid and multi-vinyl silicone oil, viscosity 100-100000mPa.s.
3. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the based cross-linker containing Si-H is at least
The dimethyl silicone polymer that 3 hydrogen atoms and Si are connected directly, hydrogen atom are located at end position or side chain, hydrogen atom content 0.3-
1.6%。
4. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the platinum catalyst is chloroplatinic acid isopropyl
Alcoholic solution, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex or chloroplatinic acid -1,3,
5,7- tetravinyl -1,3,5,7- tetramethyl-cyclotetrasiloxane complex.
5. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the inhibitor is methyl butynol, second
Alkynyl cyclohexanol, maleic acid containing alkynyl or derivatives thereof, rich maleic acid containing alkynyl or derivatives thereof, the poly- silicon oxygen of more vinyl
Alkane, pyridine, unsaturated acyl amine, organic phosphine or phosphite ester.
6. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the filler is nano silica, hydrogen
Aluminium oxide, aluminium oxide, magnesium hydroxide, zinc borate, alumina silicate, calcium carbonate, magnesium carbonate, glass microballoon, white carbon black, organic siliconresin
One of micro mist, silica, calcium carbonate, magnesia or two or more compositions.
7. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the coupling agent is γ-glycidol ether
Oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-(the third oxygen of 2,3- epoxy) third
Ethyl triethoxy silicane alkane, 2- (3,4- 7-oxa-bicyclo[4.1.0 base) ethyl triethoxysilane, vinyl trimethoxy or 3- [(2,
3)-the third oxygen of epoxy] hydroxypropyl methyl dimethoxysilane, or a combination thereof object or above compound or composition part water
Solve object.
8. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the promotor be titanate esters, Aluminate,
Zirconate, one or two kinds of above mixture of zinc Isoocatanoate, two tin of tin dilaurate fourth.
9. a kind of half silicon synthetic leather according to claim 1 or 2, it is characterized in that the PU synthetic leather includes PU layers and base
Cloth, wherein PU layers include PU adhesive layer and PU surface layer one or two composition, and base fabric includes woven fabric, looped fabric, non-woven
Cloth, compound fabric and woven fabric cloth.
10. a kind of preparation method of half silicon synthetic leather of any of claims 1 or 2, it is characterized in that the following steps are included:
(1) according to ratio described in claim 1, organic silicon rubber, based cross-linker containing Si-H, inhibitor, filler, coupling agent are chosen
And organic solvent, high speed dispersion 2-3 hours, catalyst and promotor is added, mixes well；
(2) mixture in step (1) is taken, using gravure application, agent at table is directly printed on PU synthetic leather surface, is printed
With a thickness of 5-70 μm, 3min is dried in 130 DEG C of baking oven, half silicon synthetic leather is made.
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| CN201811016831.2A CN109056349A (en) | 2018-09-03 | 2018-09-03 | Half silicon synthetic leather of one kind and preparation method thereof |
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| CN111676707A (en) * | 2020-06-10 | 2020-09-18 | 浙江康成新材料科技有限公司 | Semi-silicon synthetic leather and preparation method thereof |
| CN114958194A (en) * | 2021-09-30 | 2022-08-30 | 江苏纳恩新材料有限公司 | Durable antifouling leather surface coating agent and preparation method thereof |
| CN114958194B (en) * | 2021-09-30 | 2023-03-10 | 江苏纳恩新材料有限公司 | Durable antifouling leather surface coating agent and preparation method thereof |
| CN114539914A (en) * | 2022-01-27 | 2022-05-27 | 广东硅甲新材料科技有限公司 | Organic silicon coating capable of being coated on polyurethane synthetic leather and using method thereof |
| CN114644745A (en) * | 2022-04-26 | 2022-06-21 | 四川金路高新材料有限公司 | Semi-silicon and water-based ecological synthetic leather and preparation method thereof |
| CN115157818A (en) * | 2022-07-22 | 2022-10-11 | 广东天跃新材料股份有限公司 | Antifouling and anti-doodling semi-silicon synthetic leather and manufacturing process thereof |
| CN115157818B (en) * | 2022-07-22 | 2023-10-13 | 广东天跃新材料股份有限公司 | Anti-fouling and anti-graffiti semi-silicon synthetic leather and manufacturing process thereof |
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| CN115787317B (en) * | 2022-12-28 | 2024-04-19 | 四川大学 | Manufacturing method of semi-organic silicon synthetic leather |
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