CN108301221A - A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous - Google Patents

A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous Download PDF

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Publication number
CN108301221A
CN108301221A CN201711454435.3A CN201711454435A CN108301221A CN 108301221 A CN108301221 A CN 108301221A CN 201711454435 A CN201711454435 A CN 201711454435A CN 108301221 A CN108301221 A CN 108301221A
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parts
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synthetic leather
macromolecule
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庄加松
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Fengyang Jiasong New Material Technology Co Ltd
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Fengyang Jiasong New Material Technology Co Ltd
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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
    • D06N3/0002—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
    • D06N3/0006—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 woven fabrics
    • 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
    • D06N3/0009—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 knitted fabrics
    • 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
    • D06N3/0011—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 non-woven fabrics
    • 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
    • D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic 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
    • D06N3/0056—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
    • D06N3/0086—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
    • D—TEXTILES; PAPER
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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
    • D06N2209/00—Properties of the materials
    • D06N2209/06—Properties of the materials having thermal properties
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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
    • 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
    • D06N2209/12—Permeability or impermeability properties
    • D06N2209/121—Permeability to gases, adsorption
    • D06N2209/123—Breathable
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    • D06N2209/14—Properties of the materials having chemical properties
    • D06N2209/142—Hydrophobic
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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
    • D06N2209/00—Properties of the materials
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    • D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
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    • 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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    • 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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    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

The present invention relates to the preparing technical fields of synthetic leather, disclose a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for 15 18% macromolecule silicon materials, it is prepared by the technique productions that film is moved by dry method, silicon materials are in preparation, modified polyurethane emulsion is added in polymerization organosilicon, improve the crack resistance and gas permeability of material, organic siliconresin passes through the condensation of hydroxyl in synthesis, silicon atom is connected on tin atom, improve bond strength, enhance the overall performance of chain, the macromolecule silicon silicon synthetic leather that the present invention is prepared in resistance to acid and alkali other than showing excellent performance, also there are following characteristics：Tearing toughness is high, and high-low temperature resistant is indeformable at high temperature, keeps soft at low temperature, color inhibition, uvioresistant, cleannes are high, ventilating water-proof antimicrobial, suture strength is high, and good hand touch brings natural comfort to human skin, is a kind of synthetic leather promoting quality of the life.

Description

A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous
Technical field
The invention belongs to synthetic leather preparing technical fields, and in particular to a kind of macromolecule silicon that resistance to acid and alkali is fabulous synthesis Leather.
Background technology
Synthetic leather simulates the Nomenclature Composition and Structure of Complexes of natural leather and can be used as the plastic products of its substitute material.Usually with through leaching The non-woven fabrics of stain is lamina reticularis, and microporous polyurethane layer is made as grain layer.Its positive and negative is all quite similar with leather, and has There is certain gas permeability, than common artificial leather closer to natural leather.It is widely used in and makes shoes, boots, luggage and ball etc..20th century The eighties, there are many kinds for synthetic leather, except with the common features such as non-woven fabrics of synthetic fiber base and microporous polyurethane face layer Outside, each kind is also variant.If non-woven fabrics fiber kind and processing technology are had nothing in common with each other, using other base maceration extracts, such as Butylbenzene or NBR latex, to obtain the special combination between non-woven fabrics fiber and polymer, layer of structure is different, three layers, two layers of knot Structure is simultaneously deposited, and is also chiefly used in making the single layer structure of clothes.For the surface style for obtaining different, except use flower roll-in line and leather is rubbed Technique manufactures outside smooth leather, also grinds the surface of microporous layers and makes in velvet-like, referred to as matte synthetic leather.It is micro- to avoid spending roll-in line from destroying Dry-and-wet combined type synthetic leather is also made (see artificial leather) using transfer cladding process for pore structure, is chiefly used in making luggage and ornament.
Compared with conventional organic elastomer, silicon materials are more resistant to high/low temperature, and ageing-resistant, with easy processing, production efficiency is high Etc. advantages, using silicon materials process product can be good at recycling.Superior performance make silicon materials product at Substitute for similar PVC and PU products is trend of the times.
Invention content
The purpose of the present invention is for existing problem, providing a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, Good combination property, service life is long, and recoverable.
The present invention is achieved by the following technical solutions：
A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for the height of 15-18% Prepared by molecule silicon materials, the technique productions that film is moved by dry method, the macromolecule silicon materials are in parts by weight by following component It is made：70-75 parts of methyl trichlorosilane, 50-60 parts of vinyldimethylsiloxane, 40-50 parts of phenyl trichlorosilane, gather oneself two Sour butyl glycol ester diol 15-18 parts, 14-17 parts of dihydromethyl propionic acid, 12-15 parts of isophorone diisocyanate, triethylamine 10- 12 parts, 30-40 parts of dimethylbenzene, 110-120 parts of absolute ethyl alcohol, 3-4 parts of dibutyl tin laurate, 16-20 parts of filler, the silicon material The preparation method of material includes the following steps：
（1）Methyl trichlorosilane, vinyldimethylsiloxane and phenyl trichlorosilane are added into four-hole boiling flask, is uniformly mixed Afterwards, absolute ethyl alcohol is added dropwise, is stirred 30-40 minutes under 500-600 revs/min, dimethylbenzene is added, the reaction was continued 3-5 hours, obtains To organic-silicone prepolymer, the addition catalyst dibutyltin dilaurylate in this performed polymer, ultrasonic disperse 10-15 minutes, Polycondensation reaction 4.0-4.5 hours, reaction temperature are 140-150 DEG C, obtain yellow colloidal organic siliconresin；
（2）Dry three-necked flask is taken, polybutylene glyool adipate, isophorone diisocyanate are added to flask In, it is to slowly warm up to 80-85 DEG C, and the temperature is maintained to be stirred to react 2-3 hours, dihydromethyl propionic acid, 20-30 points of stirring is added Zhong Hou is cooled to 40-45 DEG C, and triethylamine is added and carries out neutralization reaction, and reaction stops heating after carrying out 1.5-2.0 hours, Strong stirring is carried out under 3000-3200 revs/min 10-15 minutes, then cured 6-8 hours at 15-20 DEG C, obtain modified poly- Urethane lotion；
（3）By step（2）The modified polyurethane emulsion being prepared is added to step（1）In gluey organic siliconresin in, mix Conjunction stirs evenly, and filler is dried 1-2 hours at 120-130 DEG C, is added in mixture, is stirred evenly and be placed on 160- Burin-in process 10-12 hours in 170 DEG C of ageing ovens, obtains the macromolecule silicon materials after being cooled to room temperature.
As further improvement of these options, the woven cloths contain one in woven fabric, looped fabric, non-woven fabrics Kind is several.
As further improvement of these options, the filler be by aluminium oxide, calcium carbonate, boron nitride, silicon carbide by According to 7-8:3-4:1-2:The mass ratio of 0.6-0.8 is mixture prepared, and particle size is between 1-10 microns.
As further improvement of these options, the macromolecule silicon materials are being prepared into thickness using preceding by knifing For 0.3-0.4 millimeters of film layer, process 6-8 hours dry at 70-80 DEG C after finished leather.
The present invention has the following advantages compared with prior art：In order to solve the problems, such as that existing synthetic leather is comprehensive poor, this hair Bright to provide a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for 15-18% Macromolecule silicon materials, prepared by the technique productions that film is moved by dry method, silicon materials add modified polyurethane emulsion in preparation Into polymerization organosilicon, the crack resistance and gas permeability of material are improved, organic siliconresin, by the condensation of hydroxyl, is incited somebody to action in synthesis Silicon atom is connected on tin atom, improves bond strength, enhances the overall performance of chain, the macromolecule silicon that the present invention is prepared Silicon synthetic leather also has following characteristics other than showing excellent performance in resistance to acid and alkali：Tearing toughness is high, resistance to height Temperature, it is indeformable at high temperature, keep soft at low temperature, color inhibition, uvioresistant, cleannes are high, ventilating water-proof antimicrobial, suture Intensity is high, and good hand touch brings natural comfort to human skin, is a kind of synthetic leather promoting quality of the life.
Specific implementation mode
The present invention is further explained in the light of specific embodiments.
Embodiment 1
A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for 15% macromolecule Prepared by silicon materials, the technique productions that film is moved by dry method, the macromolecule silicon materials are made of following component in parts by weight： 70 parts of methyl trichlorosilane, 50 parts of vinyldimethylsiloxane, 40 parts of phenyl trichlorosilane, polybutylene glyool adipate 15 parts, 14 parts of dihydromethyl propionic acid, 12 parts of isophorone diisocyanate, 10 parts of triethylamine, 30 parts of dimethylbenzene, absolute ethyl alcohol 110 parts, 3 parts of dibutyl tin laurate, 16 parts of filler, the preparation method of the silicon materials includes the following steps：
（1）Methyl trichlorosilane, vinyldimethylsiloxane and phenyl trichlorosilane are added into four-hole boiling flask, is uniformly mixed Afterwards, absolute ethyl alcohol is added dropwise, is stirred 30 minutes under 500 revs/min, dimethylbenzene is added, the reaction was continued 3 hours, obtains organosilicon Catalyst dibutyltin dilaurylate, ultrasonic disperse 10 minutes, polycondensation reaction 4.0 is added in resin prepolymer in this performed polymer Hour, reaction temperature is 140 DEG C, obtains yellow colloidal organic siliconresin；
（2）Dry three-necked flask is taken, polybutylene glyool adipate, isophorone diisocyanate are added to flask In, 80 DEG C are to slowly warm up to, and the temperature is maintained to be stirred to react 2 hours, dihydromethyl propionic acid is added, after stirring 20 clocks, cooling To 40 DEG C, triethylamine is added and carries out neutralization reaction, reaction stops heating after carrying out 1.5 hours, is carried out under 3000 revs/min strong Power stirs 10 minutes, then cures 6 hours at 15 DEG C, obtains modified polyurethane emulsion；
（3）By step（2）The modified polyurethane emulsion being prepared is added to step（1）In gluey organic siliconresin in, mix Conjunction stirs evenly, and filler is dried 1 hour at 120 DEG C, is added in mixture, is stirred evenly and be placed on 160 DEG C of ageing ovens Middle burin-in process 10 hours obtains the macromolecule silicon materials after being cooled to room temperature.
As further improvement of these options, the woven cloths contain one in woven fabric, looped fabric, non-woven fabrics Kind is several.
As further improvement of these options, the filler be by aluminium oxide, calcium carbonate, boron nitride, silicon carbide by According to 7:3:1:0.6 mass ratio is mixture prepared, and particle size is between 1-10 microns.
As further improvement of these options, the macromolecule silicon materials are being prepared into thickness using preceding by knifing For 0.3 millimeter of film layer, process 6 hours dry at 70 DEG C after finished leather.
Embodiment 2
A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for 16% macromolecule Prepared by silicon materials, the technique productions that film is moved by dry method, the macromolecule silicon materials are made of following component in parts by weight： 72 parts of methyl trichlorosilane, 55 parts of vinyldimethylsiloxane, 45 parts of phenyl trichlorosilane, polybutylene glyool adipate 16 parts, 15 parts of dihydromethyl propionic acid, 13 parts of isophorone diisocyanate, 11 parts of triethylamine, 35 parts of dimethylbenzene, absolute ethyl alcohol 115 parts, 3.5 parts of dibutyl tin laurate, 18 parts of filler, the preparation method of the silicon materials includes the following steps：
（1）Methyl trichlorosilane, vinyldimethylsiloxane and phenyl trichlorosilane are added into four-hole boiling flask, is uniformly mixed Afterwards, absolute ethyl alcohol is added dropwise, is stirred 35 minutes under 550 revs/min, dimethylbenzene is added, the reaction was continued 4 hours, obtains organosilicon Catalyst dibutyltin dilaurylate, ultrasonic disperse 12 minutes, polycondensation reaction 4.2 is added in resin prepolymer in this performed polymer Hour, reaction temperature is 145 DEG C, obtains yellow colloidal organic siliconresin；
（2）Dry three-necked flask is taken, polybutylene glyool adipate, isophorone diisocyanate are added to flask In, 82 DEG C are to slowly warm up to, and the temperature is maintained to be stirred to react 2.5 hours, dihydromethyl propionic acid is added, after stirring 25 minutes, Be cooled to 43 DEG C, triethylamine be added and carries out neutralization reaction, reaction stops heating after carrying out 1.8 hours, under 3100 revs/min into Then row strong stirring 12 minutes cures 7 hours at 18 DEG C, obtains modified polyurethane emulsion；
（3）By step（2）The modified polyurethane emulsion being prepared is added to step（1）In gluey organic siliconresin in, mix Conjunction stirs evenly, and filler is dried 1.5 hours at 125 DEG C, is added in mixture, is stirred evenly and be placed on 165 DEG C of agings Burin-in process 11 hours in case obtain the macromolecule silicon materials after being cooled to room temperature.
As further improvement of these options, the woven cloths contain one in woven fabric, looped fabric, non-woven fabrics Kind is several.
As further improvement of these options, the filler be by aluminium oxide, calcium carbonate, boron nitride, silicon carbide by According to 7.5:3.5:1.5:0.7 mass ratio is mixture prepared, and particle size is between 1-10 microns.
As further improvement of these options, the macromolecule silicon materials are being prepared into thickness using preceding by knifing For 0.35 millimeter of film layer, process 7 hours dry at 75 DEG C after finished leather.
Embodiment 3
A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, using woven cloths as base material, addition mass fraction accounts for 18% macromolecule Prepared by silicon materials, the technique productions that film is moved by dry method, the macromolecule silicon materials are made of following component in parts by weight： 75 parts of methyl trichlorosilane, 60 parts of vinyldimethylsiloxane, 50 parts of phenyl trichlorosilane, polybutylene glyool adipate 18 parts, 17 parts of dihydromethyl propionic acid, 15 parts of isophorone diisocyanate, 12 parts of triethylamine, 40 parts of dimethylbenzene, absolute ethyl alcohol 120 parts, 4 parts of dibutyl tin laurate, 20 parts of filler, the preparation method of the silicon materials includes the following steps：
（1）Methyl trichlorosilane, vinyldimethylsiloxane and phenyl trichlorosilane are added into four-hole boiling flask, is uniformly mixed Afterwards, absolute ethyl alcohol is added dropwise, is stirred 40 minutes under 600 revs/min, dimethylbenzene is added, the reaction was continued 5 hours, obtains organosilicon Catalyst dibutyltin dilaurylate, ultrasonic disperse 15 minutes, polycondensation reaction 4.5 is added in resin prepolymer in this performed polymer Hour, reaction temperature is 150 DEG C, obtains yellow colloidal organic siliconresin；
（2）Dry three-necked flask is taken, polybutylene glyool adipate, isophorone diisocyanate are added to flask In, 85 DEG C are to slowly warm up to, and the temperature is maintained to be stirred to react 3 hours, dihydromethyl propionic acid is added, after stirring 30 minutes, drop Temperature is added triethylamine and carries out neutralization reaction, reaction stops heating after carrying out 2.0 hours, carried out under 3200 revs/min to 45 DEG C Then strong stirring 15 minutes cures 8 hours at 20 DEG C, obtains modified polyurethane emulsion；
（3）By step（2）The modified polyurethane emulsion being prepared is added to step（1）In gluey organic siliconresin in, mix Conjunction stirs evenly, and filler is dried 2 hours at 130 DEG C, is added in mixture, is stirred evenly and be placed on 170 DEG C of ageing ovens Middle burin-in process 12 hours obtains the macromolecule silicon materials after being cooled to room temperature.
As further improvement of these options, the woven cloths contain one in woven fabric, looped fabric, non-woven fabrics Kind is several.
As further improvement of these options, the filler be by aluminium oxide, calcium carbonate, boron nitride, silicon carbide by According to 8:4:2:0.8 mass ratio is mixture prepared, and particle size is between 1-10 microns.
As further improvement of these options, the macromolecule silicon materials are being prepared into thickness using preceding by knifing For 0.4 millimeter of film layer, process 8 hours dry at 80 DEG C after finished leather.
Comparative example 1
With differing only in for embodiment 1, step is replaced using polysiloxane（1）The gluey organosilicon tree being prepared Fat, remaining is consistent.
Comparative example 2
With differing only in for embodiment 2, step is replaced using common polyaminoester emulsion（2）The modified polyurethane being prepared Lotion, remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, step is omitted（3）Middle burin-in process process, remaining is consistent.
Contrast experiment
Macromolecule silicon synthetic leather material is prepared using the method processing of embodiment 1-3 and comparative example 1-3 respectively, while with existing PU material are film forming agent, and non-woven cloth is base material, prepares synthetic leather as a control group by wet-process coating technique, each group is prepared into The synthetic leather arrived carries out acid-proof alkaline measurement, keeps irrelevant variable consistent, as a result as shown in table 1, table 2.
The elastic recovery rate of synthetic leather in different sulfuric acid concentration solution
（With 98% concentrated sulfuric acid compound concentration it is respectively 80.0%, 60.0%, 40.0%, 30.0% sulfuric acid solution in experiment, will prepares Obtained sample is put into impregnated 50 minutes in the sulfuric acid solution of 4 kinds of various concentrations after clean and dry, measure them in different sulfuric acid Elastic recovery rate under concentration）
The elastic recovery rate of synthetic leather in different naoh concentration solution
（With 98% concentrated base compound concentration it is respectively 80.0%, 60.0%, 40.0%, 30.0% aqueous slkali in experiment, will be prepared Sample be put into impregnated 50 minutes in the aqueous slkali of 4 kinds of various concentrations after clean and dry, measure them under different sulfuric acid concentrations Elastic recovery rate）.

Claims (4)

1. a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous, which is characterized in that using woven cloths as base material, add mass fraction Prepared by the macromolecule silicon materials for accounting for 15-18%, the technique productions that film is moved by dry method, the macromolecule silicon materials are according to parts by weight Meter is made of following component：70-75 parts of methyl trichlorosilane, 50-60 parts of vinyldimethylsiloxane, phenyl trichlorosilane 40-50 parts, 15-18 parts of polybutylene glyool adipate, 14-17 parts of dihydromethyl propionic acid, isophorone diisocyanate 12- 15 parts, 10-12 parts of triethylamine, 30-40 parts of dimethylbenzene, 110-120 parts of absolute ethyl alcohol, 3-4 parts of dibutyl tin laurate, filler 16-20 parts, the preparation method of the silicon materials includes the following steps：
（1）Methyl trichlorosilane, vinyldimethylsiloxane and phenyl trichlorosilane are added into four-hole boiling flask, is uniformly mixed Afterwards, absolute ethyl alcohol is added dropwise, is stirred 30-40 minutes under 500-600 revs/min, dimethylbenzene is added, the reaction was continued 3-5 hours, obtains To organic-silicone prepolymer, the addition catalyst dibutyltin dilaurylate in this performed polymer, ultrasonic disperse 10-15 minutes, Polycondensation reaction 4.0-4.5 hours, reaction temperature are 140-150 DEG C, obtain yellow colloidal organic siliconresin；
（2）Dry three-necked flask is taken, polybutylene glyool adipate, isophorone diisocyanate are added to flask In, it is to slowly warm up to 80-85 DEG C, and the temperature is maintained to be stirred to react 2-3 hours, dihydromethyl propionic acid, 20-30 points of stirring is added Zhong Hou is cooled to 40-45 DEG C, and triethylamine is added and carries out neutralization reaction, and reaction stops heating after carrying out 1.5-2.0 hours, Strong stirring is carried out under 3000-3200 revs/min 10-15 minutes, then cured 6-8 hours at 15-20 DEG C, obtain modified poly- Urethane lotion；
（3）By step（2）The modified polyurethane emulsion being prepared is added to step（1）In gluey organic siliconresin in, mix Conjunction stirs evenly, and filler is dried 1-2 hours at 120-130 DEG C, is added in mixture, is stirred evenly and be placed on 160- Burin-in process 10-12 hours in 170 DEG C of ageing ovens, obtains the macromolecule silicon materials after being cooled to room temperature.
2. a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous as described in claim 1, which is characterized in that the weaving cloth bag One or more of woven fabric, looped fabric, non-woven fabrics are contained.
3. a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous as described in claim 1, which is characterized in that the filler be by Aluminium oxide, calcium carbonate, boron nitride, silicon carbide are according to 7-8:3-4:1-2:The mass ratio of 0.6-0.8 is mixture prepared, grain size Size is between 1-10 microns.
4. a kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous as described in claim 1, which is characterized in that the macromolecule silicon Material is being prepared into the film layer that thickness is 0.3-0.4 millimeters by knifing using preceding, processes and dries 6- after finished leather at 70-80 DEG C 8 hours.
CN201711454435.3A 2017-12-28 2017-12-28 A kind of macromolecule silicon synthetic leather that resistance to acid and alkali is fabulous Pending CN108301221A (en)

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