CN107554018B - The preparation method of fire retarding polyurethane synthetic leather - Google Patents
The preparation method of fire retarding polyurethane synthetic leather Download PDFInfo
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Abstract
The preparation method of fire retarding polyurethane synthetic leather, it is characterized in that, at 90 DEG C -370 DEG C by 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-butylene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, colorant 1g, ammonium polyphosphate 0.8g, substance A 2g, the polyurethane film that thickness 0.8mm is made is squeezed out by extruder；Before modified polyurethane film is cooling itself and flame retardant base cloth are passed through into extrusion roller compound pressing under the pressure of 0.6Mpa, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, primary synthetic leather is made；Primary synthetic leather is surface-treated by 90 DEG C of water soluble silicone oil solutions, is dried in 120 DEG C of baking oven, fire retarding polyurethane synthetic leather is made, made fire retarding polyurethane synthetic leather anti-flammability reaches the good above rank.
Description
Technical field
The present invention relates to a kind of preparation method of Synthetic Leather more particularly to the systems of fire retarding polyurethane synthetic leather
Preparation Method.
Background technique
Synthetic Leather by the development of many years with its good appearance feel and breathable moisture permeability, wear-resisting solvent resistant,
It high-intensitive, many advantages, such as being widely used, is widely applied in the fields such as industrial, civilian, military, production with people,
It lives closely bound up.Synthetic Leather mainly use the cloth such as polyurethane resin solution and non-woven fabrics, woven fabric, looped fabric base into
Row is dry, wet processing forms, and such conventional urethane synthetic leather does not have flame-retarding characteristic, is easy to fire there are common high molecular materials
It the shortcomings that burning, brings as a kind of high molecular material in production, the life to people comfortable and while facilitate, has also hidden very
Big security risk.
Since polyurethane material is a kind of high-molecular organic material, not fire retardant treated polyurethane not fire-resistant meets fiery meeting
It burns and decomposes, generate a large amount of toxic smogs and gas, endanger personal safety as well as the property safety.It is fire-retardant especially in furniture automobile industry
Performance is even more important.Safe and reliable fire-retardant synthetic leather product how is developed, is the one of entire synthetic leather industry urgent need to resolve
A problem.Addition fire retardant is most common method, and fire retardant can be used to improve the flame resistance of leather, has resistance to reach
Fire the purpose of performance.
Conventional flame retardants have 3 major class of halogenated flame retardant, phosphorus flame retardant and inorganic based flame retardant.Halogenated flame retardant has excellent
Different stability, decomposition temperature high (300 DEG C or more), the advantages that usage amount is few, flame retarding efficiency is high, major defect is to decompose to produce
Object toxicity is big, the raw cigarette of burning is more, be corrosive, poisonous gas is released, thus in recent years just gradually by other halogen-free flame retardants institutes
Substitution.Phosphorus flame retardant includes organic phosphorus and Phos system two major classes.Phosphorus flame retardant stability is good, it is not volatile, do not produce
Raw corrosive gas, flame retardant effect is lasting, toxicity is low.Phosphorus flame retardant has good anti-flammability, and will not cause to environment
Pollution, it is considered to be current fire retardant.
Summary of the invention
The present invention carries out flame retardant treatment to Synthetic Leather using environment-friendly type flame retardant of magnesium hydroxide, utilizes acrylic acid tree
Rouge, EDTAP dipotassium ethylene diamine tetraacetate, ammonium polyphosphate, sasapyrin, acetoacetyl neighbour carboxyanilino, trimethylolpropane are to hydrogen-oxygen
Change magnesium to be modified, improves the compatibility of environment-friendly type flame retardant of magnesium hydroxide and base fabric.
The preparation method of fire retarding polyurethane synthetic leather, it is characterised in that:
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water in 80 DEG C of water-bath
Acrylic resin 15g, ethylenediamine tetraacetic is added in middle progress constant temperature water bath stirring, mixing speed 1800r/min, mixing time 1h
Acetic acid dipotassium 1.2g, 1.1 ~ 2.2g of ammonium polyphosphate, 0.2 ~ 0.6g of sasapyrin, 1.3 ~ 2.7g of acetoacetyl neighbour's carboxyanilino,
Trimethylolpropane 1.2g is stirred in 70 DEG C of constant temperature, and mixing speed 1100r/min, mixing time 1h obtain modified hydroxide
Magnesium fire retardant；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g catalyst is added, and takes laurel
Acyl chlorides 1ml is placed in the constant pressure funnel of drying and 1 ml of solvent hexane is added；Lauroyl chloride solution is added drop-wise to three mouthfuls
In flask, control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and the hydroxide for being 10% with mass fraction
Sodium and N, N-1, the pH value that the double disodium iminodiacetic acid solution of 2- second diyl adjust reaction is 8, the dropwise reaction time 0.5 in ice-water bath
Then h increases temperature to 20 DEG C, reaction time 3h, decompression steams solvent after reaction, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent and step of the step of base fabric 12g is immersed in 100g (1)
(2) compatilizer 1.6g, is then baked in 100 DEG C of drying tunnel, and it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
At 90 DEG C -370 DEG C by 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, benzene second
Alkene-ethylene-butylene, Styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, colorant 1g, ammonium polyphosphate 0.8g,
Substance A 2g squeezes out the polyurethane film that thickness 0.8mm is made by extruder；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solutions, at 120 DEG C
It is dried in baking oven, fire retarding polyurethane synthetic leather is made.
The base fabric is woven fabric or woven fabric cloth；Catalyst is Bis(lauroyloxy)dioctyltin, in oxalic acid aluminium, sodium methoxide
Any one；Colorant is color masterbatch or toner；Substance A be 4- Carboxybenzeneboronic acid, 5- carboxy pentyl-tri-phenyl-phosphorus bromide,
Any one of N- (5- carboxy pentyl) maleimide, cyclophosphamide, 5- amino-2-methyl-N- phenyl benzenesulfonamides.
The present invention has the advantage that with traditional technology
(1) acrylic resin (being also acrylic resin) purchase is in Guangzhou Lian Shu commerce and trade Co., Ltd；It is water-soluble
Silicone oil selects TS-19 water-soluble silicon oil, buys in Qingdao Zhong Bao silicon materials Science and Technology Ltd.；Thermoplastic polyurethane purchase in
Create thermoplastic polyurethane (Dongguan) Co., Ltd；Polyamide type thermoplastic elastomer is bought in the polyamide of DuPont Corporation
Thermoplastic elastomer (TPE) TPAE, other materials are routinely bought, and certain all material, which can be bought, contains such factory in main component
Family；
(2) acrylic resin, EDTAP dipotassium ethylene diamine tetraacetate, ammonium polyphosphate, sasapyrin, acetoacetyl neighbour's carboxyl are utilized
Aniline disperses in conjunction with magnesium hydroxide, while to magnesium hydroxide particle, and the agent of another aspect obtained flame-retardant can have with base fabric
There is good compatibility, makes up the defect of traditional flame retardant of magnesium hydroxide Yu organic material poor compatibility；
(3) substance A reduces the formed molten drop of polyurethane burning, and polyurethane burning is avoided to carry out；
(4) compatilizer increases the compatibility of magnesium hydroxide and woven fabric or woven fabric cloth；
(5) styrene-ethylene-butylene-styrene block copolymer i.e. SEBS.
Specific embodiment
Embodiment 1
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature
It mixes, mixing speed 1800r/min, mixing time 1h, acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, poly- phosphorus is added
Sour ammonium 1.1g, sasapyrin 0.2g, acetoacetyl neighbour's carboxyanilino 1.3g and trimethylolpropane 1.2g, are stirred in 70 DEG C of constant temperature
It mixes, mixing speed 1100r/min, mixing time 1h obtains modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and it is just pungent that 0.15g tin dilaurate two is added
Ji Xi takes lauroyl chloride 1ml to be placed in the constant pressure funnel of drying and 1 ml of solvent hexane is added, it is molten to obtain lauroyl chloride
Liquid；Lauroyl chloride solution is added drop-wise in three-necked flask, control rate of addition be 5 seconds/drop, be added dropwise process in ice-water bath into
Row, and it is 8 that the sodium hydroxide for being 10% with mass fraction, which adjusts the pH value of reaction, 0.5 h of dropwise reaction time in ice-water bath, so
After be warming up to 20 DEG C, reaction time 3h, after reaction decompression steam solvent, be spray-dried, obtain compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent of the step of 100g being immersed in as woven fabric 12g (1)
It with the compatilizer 1.6g of step (2), is then baked in 100 DEG C of drying tunnel, it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
By 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-fourth
Alkene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, color masterbatch 1g, ammonium polyphosphate 0.8g, 4- carboxyl benzene boron
Sour 2g squeezes out the polyurethane film that thickness 0.8mm is made at 90 DEG C by extruder；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solution 500g, 120
DEG C baking oven in dry, be made fire retarding polyurethane synthetic leather.
Embodiment 2
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature
It mixes, mixing speed 1800r/min, mixing time 1h, acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, poly- phosphorus is added
Sour ammonium 2.2g, sasapyrin 0.6g, acetoacetyl neighbour's carboxyanilino 2.7g and trimethylolpropane 1.2g, are stirred in 70 DEG C of constant temperature
It mixes, mixing speed 1100r/min, mixing time 1h obtains modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g oxalic acid aluminium is added, and takes laurel
Acyl chlorides 1ml is placed in the constant pressure funnel of drying and is added 1 ml of solvent hexane, obtains lauroyl chloride solution；By lauroyl chloride
Solution is added drop-wise in three-necked flask, and control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and is divided with quality
Number is 8 for the pH value of 10% sodium hydroxide adjusting reaction, and 0.5 h of dropwise reaction time in ice-water bath then heats to 20 DEG C,
Reaction time 3h, decompression steams solvent after reaction, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent and step of the step of woven fabric cloth 12g is immersed in 100g (1)
Suddenly the compatilizer 1.6g of (2), is then baked in 100 DEG C of drying tunnel, and it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
By 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-fourth
Alkene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, toner 1g, ammonium polyphosphate 0.8g and 5- carboxy pentyl-
Tri-phenyl-phosphorus bromide 2g squeezes out the polyurethane film that thickness 0.8mm is made in 370 DEG C by extruder；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solutions, at 120 DEG C
It is dried in baking oven, fire retarding polyurethane synthetic leather is made.
Embodiment 3
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature
It mixes, mixing speed 1800r/min, mixing time 1h, acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, poly- phosphorus is added
Sour ammonium 1.6g, sasapyrin 0.4g, acetoacetyl neighbour's carboxyanilino 2g and trimethylolpropane 1.2g, are stirred in 70 DEG C of constant temperature
It mixes, mixing speed 1100r/min, mixing time 1h obtains modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g sodium methoxide is added, and takes laurel
Acyl chlorides 1ml is placed in the constant pressure funnel of drying and 1 ml of solvent hexane is added；Lauroyl chloride solution is added drop-wise to three mouthfuls
In flask, control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and the hydroxide for being 10% with mass fraction
The pH value that sodium adjusts reaction is 8,0.5 h of dropwise reaction time in ice-water bath, then increases temperature to 20 DEG C, reaction time 3h,
Decompression steams solvent after reaction, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent and step of the step of woven fabric 12g is immersed in 100g (1)
Suddenly the compatilizer 1.6g of (2), is then baked in 100 DEG C of drying tunnel, and it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
By 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-fourth
Alkene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, toner 1g, ammonium polyphosphate 0.8g, N- (5- carboxyl penta
Base) maleimide 2g in 230 DEG C by extruder squeeze out be made thickness 0.8mm polyurethane film；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solutions, at 120 DEG C
It is dried in baking oven, fire retarding polyurethane synthetic leather is made.
Embodiment 4
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature
It mixes, mixing speed 1800r/min, mixing time 1h, acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, poly- phosphorus is added
Sour ammonium 1.1g, sasapyrin 0.2g, acetoacetyl neighbour's carboxyanilino 1.3g and trimethylolpropane 1.2g, are stirred in 70 DEG C of constant temperature
It mixes, mixing speed 1100r/min, mixing time 1h obtains modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g oxalic acid aluminium is added, and takes laurel
Acyl chlorides 1ml is placed in the constant pressure funnel of drying and is added 1 ml of solvent hexane, obtains lauroyl chloride solution；By lauroyl chloride
Solution is added drop-wise in three-necked flask, and control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and is divided with quality
Number is 8 for the pH value of 10% sodium hydroxide adjusting reaction, and 0.5 h of dropwise reaction time in ice-water bath then heats to 20 DEG C,
Reaction time 3h, decompression steams solvent after reaction, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent of the step of 100g being immersed in as woven fabric 12g (1)
It with the compatilizer 1.6g of step (2), is then baked in 100 DEG C of drying tunnel, it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
By 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-fourth
Alkene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, color masterbatch 1g, ammonium polyphosphate 0.8g, N- (5- carboxyl
Amyl) maleimide 2g 90 DEG C by extruder squeeze out be made thickness 0.8mm polyurethane film；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solution 500g, 120
DEG C baking oven in dry, be made fire retarding polyurethane synthetic leather.
Embodiment 5
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature
It mixes, mixing speed 1800r/min, mixing time 1h, acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, poly- phosphorus is added
Sour ammonium 2.2g, sasapyrin 0.6g, acetoacetyl neighbour's carboxyanilino 2.7g and trimethylolpropane 1.2g, are stirred in 70 DEG C of constant temperature
It mixes, mixing speed 1100r/min, mixing time 1h obtains modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g sodium methoxide is added, and takes laurel
Acyl chlorides 1ml is placed in the constant pressure funnel of drying and is added 1 ml of solvent hexane, obtains lauroyl chloride solution；By lauroyl chloride
Solution is added drop-wise in three-necked flask, and control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and is divided with quality
Number is 8 for the pH value of 10% sodium hydroxide adjusting reaction, and 0.5 h of dropwise reaction time in ice-water bath then heats to 20 DEG C,
Reaction time 3h, decompression steams solvent after reaction, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent and step of the step of woven fabric cloth 12g is immersed in 100g (1)
Suddenly the compatilizer 1.6g of (2), is then baked in 100 DEG C of drying tunnel, and it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film
By 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, styrene-ethylene-fourth
Alkene-styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, toner 1g, ammonium polyphosphate 0.8g and cyclophosphamide 2g
The polyurethane film that thickness 0.8mm is made is squeezed out by extruder in 370 DEG C；
(5) primary synthetic leather
Before the modified polyurethane film made from step (4) is cooling by it with flame retardant base cloth made from step (3) in 0.6Mpa
Pressure under by extrusion roller compound pressing, then embossed under 0.2Mpa pressure by the roller with texture, after cooling, system
Obtain primary synthetic leather.
(6) it is surface-treated and modifies:
Primary synthetic leather made from step (5) is surface-treated by 90 DEG C of water soluble silicone oil solutions, at 120 DEG C
It is dried in baking oven, fire retarding polyurethane synthetic leather is made.
1 fire retarding polyurethane synthetic leather performance of table
As can be found from Table 1, it is (tensile load, disconnected better than the performance of non-adduction finished leather that the synthesising leather performance of fire retardant is added
Split elongation etc.).
2 fire retarding polyurethane synthetic leather flame retardant property of table
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Not plus fire retardant |
| Burning velocity mm/min | 0 | 23 | 24 | 12 | 18 | 120 |
According to FMVSS-302 judgment criteria, it is known that burning velocity 0 is top grade；Burning velocity meets burning less than 50
Rate request, it is good；Burning velocity 50~100 meets burning velocity requirement, generally；Burning velocity is greater than 100mm/min, does not conform to
Lattice；It follows that flame retardant property of the invention reaches excellent or good grade, while in combustion it can be found that resistance of the invention
Combustion property synthetic leather occurs without molten drop.
Claims (4)
1. the preparation method of fire retarding polyurethane synthetic leather, it is characterised in that:
(1) preparation of modified magnesium hydroxide flame retardant agent: magnesium hydroxide 12g is added in 100g water and is stirred in 80 DEG C of constant temperature, is stirred
Mixing speed is 1800r/min, mixing time 1h, and acrylic resin 15g, EDTAP dipotassium ethylene diamine tetraacetate 1.2g, ammonium polyphosphate is added
1.1 ~ 2.2g, 0.2 ~ 0.6g of sasapyrin, 1.3 ~ 2.7g of acetoacetyl neighbour's carboxyanilino, trimethylolpropane 1.2g, in 70
The stirring of DEG C constant temperature, mixing speed 1100r/min, mixing time 1h obtain modified magnesium hydroxide flame retardant agent；
(2) preparation of compatilizer: taking acrylamide 12g to be placed in three-necked flask, and 0.15g catalyst is added, and takes lauroyl chloride
1ml is placed in the constant pressure funnel of drying and solvent hexane 1ml is added；Lauroyl chloride solution is added drop-wise to three-necked flask
In, control rate of addition is 5 seconds/drop, and dropwise addition process carries out in ice-water bath, and the sodium hydroxide tune for being 10% with mass fraction
The pH value of section reaction is 8, dropwise reaction time 0.5h in ice-water bath, then increases temperature to 20 DEG C, reaction time 3h, reacts knot
Decompression steams solvent after beam, is spray-dried, obtains compatilizer；
(3) processing of base fabric: the modified magnesium hydroxide flame retardant agent of the step of base fabric 12g is immersed in 100g (1) and step (2)
Then compatilizer 1.6g is baked in 100 DEG C of drying tunnel, it is stand-by that flame retardant base cloth is made；
(4) modified polyurethane film: by 16g thermoplastic polyurethane and 4g Styrene-Butadiene-Styrene Block Copolymer, benzene second
Alkene-ethylene-butylene, Styrene block copolymer 4g, polyamide type thermoplastic elastomer 6g, colorant 1g, ammonium polyphosphate 0.8g
Squeeze out the polyurethane film that thickness 0.8mm is made by extruder in 90 DEG C ~ 370 DEG C with substance A 2g, the substance A is 4- carboxylic
Base phenyl boric acid, 5- carboxy pentyl-tri-phenyl-phosphorus bromide, N- (5- carboxy pentyl) maleimide, cyclophosphamide, 5- amino -2-
Any one of Methyl-N-phenyl benzsulfamide；
(5) primary synthetic leather: by itself and fire-retardant base made from step (3) before the modified polyurethane film made from step (4) is cooling
Cloth passes through extrusion roller compound pressing under the pressure of 0.6Mpa, then by the roller pressure with texture under 0.2Mpa pressure
After cooling, primary synthetic leather is made in line;
(6) it is surface-treated and modifies: primary synthetic leather made from step (5) is subjected to table by 90 DEG C of water soluble silicone oil solutions
Surface treatment is dried in 120 DEG C of baking oven, and fire retarding polyurethane synthetic leather is made.
2. the preparation method of fire retarding polyurethane synthetic leather according to claim 1, the base fabric is woven fabric or surpasses
Fine cloth.
3. the preparation method of fire retarding polyurethane synthetic leather according to claim 1, the catalyst is tin dilaurate
Dioctyltin, oxalic acid aluminium, any one in sodium methoxide.
4. the preparation method of fire retarding polyurethane synthetic leather according to claim 1, the colorant be color masterbatch or
Toner.
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| CN101679870A (en) * | 2007-05-15 | 2010-03-24 | 胜亚诺盟股份有限公司 | Flame retardant, flame-retardant composition using the same, molded article of the composition, and coated electric wire |
| CN103437193A (en) * | 2013-09-10 | 2013-12-11 | 华伦皮塑（苏州）有限公司 | Manufacturing method of TPU (Thermoplastic Polyurethanes) synthetic leather for flame-retardant and environment-friendly automobile internal decorating material |
| CN103437199A (en) * | 2013-09-10 | 2013-12-11 | 华伦皮塑（苏州）有限公司 | Manufacturing method of TPU (Thermoplastic Polyurethanes) synthetic leather for flame-retardant and environment-friendly car foot mat |
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