CN106349454A - High-elasticity smooth and bright mirror-surface polyurethane resin and preparation method thereof - Google Patents
High-elasticity smooth and bright mirror-surface polyurethane resin and preparation method thereof Download PDFInfo
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- CN106349454A CN106349454A CN201610766391.7A CN201610766391A CN106349454A CN 106349454 A CN106349454 A CN 106349454A CN 201610766391 A CN201610766391 A CN 201610766391A CN 106349454 A CN106349454 A CN 106349454A
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- polyurethane resin
- diisocyanate
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- chain extender
- propylene glycol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4202—Two or more polyesters of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- D06N3/147—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 characterised by the isocyanates used
- D06N3/148—(cyclo)aliphatic polyisocyanates
-
- 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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—Polyurethanes
-
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses high-elasticity smooth and bright mirror-surface polyurethane resin and a preparation method thereof. The high-elasticity smooth and bright mirror-surface polyurethane resin is prepared from the following components: diisocyanate, a polyhydric alcohol compound, a chain extender, a catalyst, an antioxidant, an auxiliary, a solvent and a reaction terminator, wherein the chain extender is prepared from bio-based 1,3 propylene glycol with the molecular weight of 62 to 200 g/mol and small-molecular diamine; the mole ratio of the polyhydric alcohol compound to the chain extender is 1 to (0.5 to 1); the mole ratio of the isocyanate group of the diisocyanate to the total amounts of hydroxyl and amido in the polyhydric alcohol compound and the chain extender is 1 to (1 to (1 to 1.05) to 1). The polyurethane resin prepared through the preparation method disclosed by the invention can completely meet the requirements on excellent smoothness and brightness of leather so as to meet the requirements that shoes or cases touch smooth and have strong impression of brightness.
Description
Technical field
The present invention relates to Synthetic Leather technical field is and in particular to a kind of high-elastic smooth, bright minute surface polyurethane
Resin and preparation method thereof.
Background technology
Nowadays, Synthetic Leather product is widely used in daily life, and especially in footwear, bag field should
With more universal, high-grade coat of paint women's shoes and case and bag on existing market, bright and firm leather is become to make by Surface Machining,
I.e. on leather, spray coast of paint so as to take a fancy to frosts very bright, is a kind of dress ornament with strong surface effect and style and features
Material.Development with social economy and the raising of people's living standard, people for footwear, bag demand not only rest on resistance to
With property, and its additional function is also increasingly paid close attention to, such as sense of touch of comfortable flexibility and corium etc., thus it requires the sense of touch of leather
Very smooth and bright sense is strong.
Content of the invention
The purpose of the present invention is to prepare a kind of high-elastic smooth, bright minute surface polyurethane resin and preparation method thereof, with full
Foot becomes the requirement that sense of touch is smooth, bright sense is strong of footwear or case and bag.
Technical scheme is as follows:
A kind of high-elastic smooth, bright minute surface polyurethane resin, it is composed of the following components:
Diisocyanate,
Polyol compound,
Chain extender, its consumption accounts for the 1～4% of system gross weight,
Catalyst, its consumption is 0.1～the 1 ‰ of polyol compound weight,
Antioxidant, its consumption accounts for the 0.04～0.1% of system gross weight,
Auxiliary agent, its consumption accounts for the 0.5～2% of system gross weight,
Solvent, its consumption accounts for the 69～71% of system gross weight,
Reaction terminating agent；
Described chain extender for molecular weight be 62～200g/mol bio-based 1,3 propylene glycol and small molecule diamine；
Wherein, polyol compound and the mol ratio of chain extender are 1:0.5～1；The isocyanate group of diisocyanate and polyhydric alcohol
In compound, chain extender, hydroxyl, the mol ratio of amido total amount are 1:1～1.05:1.
Scheme further, described isocyanates are 4,4 '-methyl diphenylene diisocyanate (mdi)；
Described polyol compound refers to one of PEPA, polyether polyol or two kinds of mixing；
Described small molecule diamine be one of 4,4 ' diphenylmethanediamiands (mda), isophorone diamine (ipda) or
Two kinds；
Described antioxidant is propionate class antioxidant；
Described catalyst is organo-bismuth class catalyst mb20；
Described auxiliary agent is one of UV absorbent, weathering stabilizers, levelling agent or two or more mixture；These
The mixing ratio of auxiliary agent, selects according to purpose and purposes.
Described solvent is water-soluble organic solvent.
Further scheme, described polyether polyol is polytetramethylene ether diol；Organic solvent is n, n- dimethyl
Methanamide (dmf).
Another goal of the invention of the present invention is to provide a kind of above-mentioned system of high-elastic smooth, bright minute surface polyurethane resin
Preparation Method, it is prepared according to the following steps:
(1) 40～80% and polyol compound of bio-based 1,3 propylene glycol total amount are put in a kettle., the half of solvent is entered
The 60～80% of diisocyanate total amount is put into after row stirring 10～20 minutes, temperature control reacts 30 at 70～80 DEG C～
60min；The amount making the isocyanate group of diisocyanate and polyol compound, bio-based 1,3 propylene glycol total material is than for 1.2:1
～1.3:1；
(2) it is subsequently adding remaining bio-based 1,3 propylene glycol and diamine chain extenders continue reaction 1～2h；
(3) catalyst and remaining diisocyanate is added to proceed to react, being continuously increased with system viscosity, by residue
Solvent three equal parts and points three steps add, so that the viscosity of final performed polymer is controlled at 80000～120000cps/25 DEG C；
(4) add antioxidant, auxiliary agent and reaction terminating agent methanol, obtain final product polyurethane resin.
Further scheme, described PEPA, diisocyanate, bio-based 1,3 propylene glycol, diamine chain extenders and molten
The moisture content of agent is respectively less than 500ppm.
Scheme further, the reaction temperature in described step (1) controls at 70～80 DEG C；Reaction temperature in step (2)
Control at 60～70 DEG C；Reaction temperature in step (3) controls at 70～80 DEG C.
The high slipping of present invention preparation, bright sense minute surface polyurethane resin have excellent smooth after fully meeting finished leather
Property and bright sense.With the requirement that sense of touch is smooth, bright sense is strong meeting into footwear or case and bag, it is specifically at polyurethane (pu)
In resin synthesis process, from rigid polyols compound and small molecule diamine chain extenders it is therefore an objective to improve polyurethane segment
Rigidity, after making resin finished leather, leather surface is smooth；Using bio-based 1,3 propylene glycol etc. as chain extender, the resin hard section of synthesis
Crystallinity is relatively low, and after resin finished leather, bright sense is strong.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the present invention realize are easy to understand, with reference to concrete
Embodiment, is expanded on further the present invention.
Embodiment 1:
Material name weight (units/kg)
Pet-1 200
Pet-2 700
Bio-based 1,3 propylene glycol 40
4,4 ' diphenylmethanediamiands 10
4,4- methyl diphenylene diisocyanate 286
Antioxidant 5
Phosphoric acid 0.03
UV absorbent uv-328 1.0
Catalyst 0.2
N, n- dimethylformamide 2900
Wherein: pet-1 is the PEPA of molecular weight 2000, raw materials used and formula is adipic acid 4000kg, ethylene glycol
900 kg, 1,4- butanediol 1300kg and catalyst tpt 0.5kg.
Pet-2 is the PEPA of molecular weight 2000, raw materials used and formula be adipic acid 3000kg, 1,6- oneself two
Alcohol 2800 kg, catalyst tpt 0.4kg.
Its preparation method is as follows:
(1) various polyol compounds are put in a kettle., 30kg bio-based 1,3 propylene glycol chain extender, the half of dmf are carried out
Stirring put into mdi after 10 minutes, and kettle temperature controls reacts 1h at 70 DEG C, makes isocyanate group and the polyhydric alcohol of the diisocyanate of addition
Compound, the amount of bio-based 1,3 propylene glycol total material are than for 1.2:1；
(2) it is subsequently adding remaining bio-based 1,3 propylene glycol and 4,4 ' diphenylmethanediamiands continue reaction 1h；Now kettle
Temperature control system is at 60～70 DEG C；
(3) catalyst and remaining diisocyanate is added to proceed to react, being continuously increased with system viscosity, by residue
Solvent three equal parts and points three steps add, so that the viscosity of final performed polymer is controlled at 80000cps/25 DEG C；Kettle temperature controls 70～
80℃；
(4) add antioxidant, auxiliary agent and reaction terminating agent methanol, obtain final product polyurethane resin.
Embodiment 2:
Material name weight (units/kg)
Pet-1 200
Pet-2 700
Bio-based 1,3 propylene glycol 70
ipda 15
4,4- methyl diphenylene diisocyanate 317
Phosphoric acid 0.03
Antioxidant 5
UV absorbent uv-328 1.0
Catalyst 0.2
N, n- dimethylformamide 3038
Wherein: pet-1 is the PEPA of molecular weight 3000, raw materials used and formula is adipic acid 4000kg, ethylene glycol
1300 kg, BDO 900 kg, catalyst tpt0.5 kg.
Pet-2 is the PEPA of molecular weight 2000, and raw materials used and formula is adipic acid 3000kg, ethylene glycol
200 kg, BDO 1800 kg, catalyst tpt0.4 kg.
Its preparation method is as follows:
(1) various polyol compounds are put in a kettle., 50kg bio-based 1,3 propylene glycol, the half of dmf are stirred 20
Mdi is put into, kettle temperature controls reacts 30min at 80 DEG C, makes the isocyanate group of diisocyanate of addition and polynary alcoholization after minute
Compound, the amount of bio-based 1,3 propylene glycol total material are than for 1.3:1；
(2) it is subsequently adding remaining bio-based 1,3 propylene glycol and ipda continues reaction 1h；Now kettle temperature controls at 60～70 DEG C；
(3) catalyst and remaining diisocyanate is added to proceed to react, being continuously increased with system viscosity, by residue
Solvent three equal parts and points three steps add, so that the viscosity of final performed polymer is controlled at 120000cps/25 DEG C；Kettle temperature controls 70
～80 DEG C；
(4) add antioxidant, auxiliary agent and reaction terminating agent methanol, obtain final product polyurethane resin.
Embodiment 3:
In order to verify high slipping prepared by the present invention, the excellent slipping of bright sense minute surface polyurethane resin and bright sense,
The polyurethane resin prepared by above-described embodiment 2, according to the following formulation and current dry method veneer normal process makes leather, specifically joins
Side is as follows:
100 parts of polyurethane resin
60 parts of dmf
15 parts of colorant
1 part of levelling agent
Help 0.5 part of remover
Using more general detection method in industry: by this synthetic leather be fixed on an angle be 15 °, length be 50cm slope
On, it is 5cm*5cm*5cm a size, the iron block of weight 1kg is placed on slope top, and test iron block slides to the time of bottom from top
To judge the smooth degree of leather surface.After testing, pass through to add dmf, colorant, stream with the polyurethane resin of above-described embodiment 2 preparation
Flat Liu and help remover to prepare dry type polyurethane synthetic leather, has excellent slipping and bright sense.
In this specification and following claims, so-called system, refer to whole reaction system it is simply that all substances
Total amount.
Merely illustrating the principles of the invention described in the embodiment above and description, without departing from the present invention spirit and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and its jljl.
Claims (6)
1. a kind of high-elastic smooth, bright minute surface polyurethane resin it is characterised in that: it is composed of the following components:
Diisocyanate,
Polyol compound,
Chain extender, its consumption accounts for the 1～4% of system gross weight,
Catalyst, its consumption is 0.1～the 1 ‰ of polyol compound weight,
Antioxidant, its consumption accounts for the 0.04～0.1% of system gross weight,
Auxiliary agent, its consumption accounts for the 0.5～2% of system gross weight,
Solvent, its consumption accounts for the 69～71% of system gross weight,
Reaction terminating agent；
Described chain extender for molecular weight be 62～200g/mol bio-based 1,3 propylene glycol and small molecule diamine；
Wherein, polyol compound and the mol ratio of chain extender are 1:0.5～1；The isocyanate group of diisocyanate and polyhydric alcohol
In compound, chain extender, hydroxyl, the mol ratio of amido total amount are 1:1～1.05:1.
2. a kind of high-elastic smooth, bright minute surface polyurethane resin according to claim 1 it is characterised in that: described
Isocyanates are 4,4 '-methyl diphenylene diisocyanate (mdi)；
Described polyol compound refers to one of PEPA, polyether polyol or two kinds of mixing；
Described small molecule diamine be one of 4,4 ' diphenylmethanediamiands (mda), isophorone diamine (ipda) or
Two kinds；
Described antioxidant is propionate class antioxidant；
Described catalyst is organo-bismuth class catalyst mb20；
Described auxiliary agent is one of UV absorbent, weathering stabilizers, levelling agent or two or more mixture；
Described solvent is water-soluble organic solvent.
3. a kind of high-elastic smooth, bright minute surface polyurethane resin according to claim 2 it is characterised in that: described
Polyether polyol is polytetramethylene ether diol；Organic solvent is n, n- dimethylformamide (dmf).
4. a kind of preparation method of high-elastic smooth, bright minute surface polyurethane resin as claimed in claim 1, its feature exists
In: prepare according to the following steps:
(1) 40～80% and polyol compound of bio-based 1,3 propylene glycol total amount are put in a kettle., the half of solvent is entered
The 60～80% of diisocyanate total amount is put into after row stirring 10～20 minutes, temperature control reacts 30 at 70～80 DEG C～
60min；The amount making the isocyanate group of diisocyanate and polyol compound, bio-based 1,3 propylene glycol total material is than for 1.2:1
～1.3:1；
(2) it is subsequently adding remaining bio-based 1,3 propylene glycol and diamine chain extenders continue reaction 1～2h；
(3) catalyst and remaining diisocyanate is added to proceed to react, being continuously increased with system viscosity, by residue
Solvent three equal parts and points three steps add, so that the viscosity of final performed polymer is controlled at 80000～120000cps/25 DEG C；
(4) add antioxidant, auxiliary agent and reaction terminating agent methanol, obtain final product polyurethane resin.
5. preparation method according to claim 4 it is characterised in that: described PEPA, diisocyanate, bio-based
The moisture content of 1,3 propylene glycol, diamine chain extenders and solvent is respectively less than 500ppm.
6. preparation method according to claim 4 it is characterised in that: the reaction temperature in described step (1) controls 70
～80 DEG C；Reaction temperature in step (2) controls at 60～70 DEG C；Reaction temperature in step (3) controls at 70～80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766391.7A CN106349454A (en) | 2016-08-30 | 2016-08-30 | High-elasticity smooth and bright mirror-surface polyurethane resin and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766391.7A CN106349454A (en) | 2016-08-30 | 2016-08-30 | High-elasticity smooth and bright mirror-surface polyurethane resin and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330628A (en) * | 2019-07-10 | 2019-10-15 | 福建元发树脂有限公司 | Non-solvent single-component polyurethane mirror surface resin |
| CN113403859A (en) * | 2021-05-27 | 2021-09-17 | 安安(中国)有限公司 | Preparation process of green environment-friendly fluorine-free bio-based space synthetic leather |
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| US20070116929A1 (en) * | 2003-12-26 | 2007-05-24 | Dai Nippon Printing Co., Ltd. | Embossed release paper for synthetic leather production and support therefor, and synthetic leather using the release paper and process for producing the synthetic leather |
| CN104387548A (en) * | 2014-11-19 | 2015-03-04 | 上海华峰新材料研发科技有限公司 | Non-yellowing polyurethane resin for mirror synthetic leather and preparation method of polyurethane resin |
| CN105237725A (en) * | 2015-09-14 | 2016-01-13 | 合肥安利聚氨酯新材料有限公司 | Medium-hardness high cold-resistance thermal-adhesion-resistance smooth mirror surface layer polyurethane resin and preparation method thereof |
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2016
- 2016-08-30 CN CN201610766391.7A patent/CN106349454A/en active Pending
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|---|---|---|---|---|
| US20070116929A1 (en) * | 2003-12-26 | 2007-05-24 | Dai Nippon Printing Co., Ltd. | Embossed release paper for synthetic leather production and support therefor, and synthetic leather using the release paper and process for producing the synthetic leather |
| CN104387548A (en) * | 2014-11-19 | 2015-03-04 | 上海华峰新材料研发科技有限公司 | Non-yellowing polyurethane resin for mirror synthetic leather and preparation method of polyurethane resin |
| CN105237725A (en) * | 2015-09-14 | 2016-01-13 | 合肥安利聚氨酯新材料有限公司 | Medium-hardness high cold-resistance thermal-adhesion-resistance smooth mirror surface layer polyurethane resin and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330628A (en) * | 2019-07-10 | 2019-10-15 | 福建元发树脂有限公司 | Non-solvent single-component polyurethane mirror surface resin |
| CN113403859A (en) * | 2021-05-27 | 2021-09-17 | 安安(中国)有限公司 | Preparation process of green environment-friendly fluorine-free bio-based space synthetic leather |
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