CN108059704A - A kind of low density high hardness polyurethane synthetic material - Google Patents
A kind of low density high hardness polyurethane synthetic material Download PDFInfo
- Publication number
- CN108059704A CN108059704A CN201711364869.4A CN201711364869A CN108059704A CN 108059704 A CN108059704 A CN 108059704A CN 201711364869 A CN201711364869 A CN 201711364869A CN 108059704 A CN108059704 A CN 108059704A
- Authority
- CN
- China
- Prior art keywords
- parts
- low density
- high hardness
- density high
- synthetic material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
-
- 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
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1833—Catalysts containing secondary or tertiary amines or salts thereof having ether, acetal, or orthoester groups
-
- 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
- C08G18/48—Polyethers
-
- 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of low density high hardness polyurethane synthetic materials, are made of the raw material of following mass parts：80 100 parts of isocyanates, 80 100 parts of polyols blend, 50 80 parts of mixed catalyst, 8 10 parts of dibenzoyl peroxide, 5 10 parts of dimethyl urea, 5 10 parts of curing agent, 24 parts of expandable phenolic resin, the polyols blend press 1 by polyether polyol and polymer polyatomic alcohol：12 mixing；The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.The low density high hardness polyurethane material of the present invention is provided simultaneously with that density is small, and the high performance of hardness strength can be widely applied to lightweight utensil and apparatus field, and manufactured appliance device quality is small and hardness is high.
Description
Technical field
The present invention relates to a kind of synthetic material more particularly to a kind of low density high hardness polyurethane synthetic materials.
Background technology
Polyurethane high molecule material is due to its peculiar structure and performance, and designability is strong, and relative density is wear-resisting, water-fast, soft
Hardness is adjustable, elasticity and damping property etc., by the way that raw material and rationally optimal formula is selected to can be widely applied to every field, has
There are important researching value and wide application prospect.In the prior art, the general weight of the higher polyurethane material of hardness also compared with
Height, it is difficult to reach balance in terms of weight and hardness.
The content of the invention
Goal of the invention：The object of the present invention is to provide the smaller polyurethane synthesis for being provided simultaneously with high rigidity of a kind of density itself
Material.
Technical solution：The low density high hardness polyurethane synthetic material of the present invention, is made of the raw material of following mass parts：
80-100 parts of isocyanates,
80-100 parts of polyols blend,
50-80 parts of mixed catalyst,
8-10 parts of dibenzoyl peroxide,
5-10 parts of dimethyl urea,
5-10 parts of curing agent,
2-4 parts of expandable phenolic resin,
The polyols blend presses 1 by polyether polyol and polymer polyatomic alcohol：1-2 is mixed；
The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.
Wherein, the sodium isocyanate presses 1 for methyl diphenylene diisocyanate and polymethylene multi-phenenyl isocyanate：1-
2 mixing.
The hydroxyl value of the polyether polyol is 400-450mgKOH/g, relative molecular weight 1200-2000；The polymer is more
The hydroxyl value of first alcohol is 20-28mgKOH/g, relative molecular weight 700-1200.
Double (dimethylaminoethyl) ethers and dipropylene glycol are according to mass ratio 1：The ratio mixing of 2-3.
The curing agent is the 1- toluenesulfonic acid monohydrates that mass fraction is 70-80%.
Advantageous effect：Compared with prior art, advantages of the present invention is：The low density high hardness polyurethane material of the present invention
It is provided simultaneously with that density is small, the high performance of hardness strength can be widely applied to lightweight utensil and apparatus field, and manufactured utensil is set
Standby quality is small and hardness is high.
Specific embodiment
Embodiment 1
A kind of low density high hardness polyurethane synthetic material, is made of the raw material of following mass parts：
80 parts of isocyanates,
80 parts of polyols blend,
50 parts of mixed catalyst,
8 parts of dibenzoyl peroxide,
5 parts of dimethyl urea,
5 parts of curing agent,
2 parts of expandable phenolic resin,
The polyols blend presses 1 by polyether polyol and polymer polyatomic alcohol：1 mixing；
The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.
Wherein, the sodium isocyanate presses 1 for methyl diphenylene diisocyanate and polymethylene multi-phenenyl isocyanate：1
Mixing.
The hydroxyl value of the polyether polyol be 400mgKOH/g, relative molecular weight 1200；The hydroxyl of the polymer polyatomic alcohol
It is worth for 20mgKOH/g, relative molecular weight 700.
Double (dimethylaminoethyl) ethers and dipropylene glycol are according to mass ratio 1：2 ratio mixing.
The curing agent is the 1- toluenesulfonic acid monohydrates that mass fraction is 70%.
Embodiment 2
A kind of low density high hardness polyurethane synthetic material, is made of the raw material of following mass parts：
100 parts of isocyanates,
100 parts of polyols blend,
80 parts of mixed catalyst,
10 parts of dibenzoyl peroxide,
10 parts of dimethyl urea,
10 parts of curing agent,
4 parts of expandable phenolic resin,
The polyols blend presses 1 by polyether polyol and polymer polyatomic alcohol：2 mixing；
The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.
Wherein, the sodium isocyanate presses 1 for methyl diphenylene diisocyanate and polymethylene multi-phenenyl isocyanate：2
Mixing.
The hydroxyl value of the polyether polyol be 450mgKOH/g, relative molecular weight 2000；The hydroxyl of the polymer polyatomic alcohol
It is worth for 28mgKOH/g, relative molecular weight 1200.
Double (dimethylaminoethyl) ethers and dipropylene glycol are according to mass ratio 1：3 ratio mixing.
The curing agent is the 1- toluenesulfonic acid monohydrates that mass fraction is 80%.
Embodiment 3
A kind of low density high hardness polyurethane synthetic material, is made of the raw material of following mass parts：
90 parts of isocyanates,
90 parts of polyols blend,
65 parts of mixed catalyst,
9 parts of dibenzoyl peroxide,
7 parts of dimethyl urea,
7 parts of curing agent,
3 parts of expandable phenolic resin,
The polyols blend presses 1 by polyether polyol and polymer polyatomic alcohol：1.5 mixing；
The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.
Wherein, the sodium isocyanate presses 1 for methyl diphenylene diisocyanate and polymethylene multi-phenenyl isocyanate：
1.5 mixing.
The hydroxyl value of the polyether polyol be 420mgKOH/g, relative molecular weight 1600；The hydroxyl of the polymer polyatomic alcohol
It is worth for 24mgKOH/g, relative molecular weight 1000.
Double (dimethylaminoethyl) ethers and dipropylene glycol are according to mass ratio 1：2.5 ratio mixing.
The curing agent is the 1- toluenesulfonic acid monohydrates that mass fraction is 75%.
Claims (5)
1. a kind of low density high hardness polyurethane synthetic material, it is characterised in that be made of the raw material of following mass parts：
80-100 parts of isocyanates,
80-100 parts of polyols blend,
50-80 parts of mixed catalyst,
8-10 parts of dibenzoyl peroxide,
5-10 parts of dimethyl urea,
5-10 parts of curing agent,
2-4 parts of expandable phenolic resin,
The polyols blend presses 1 by polyether polyol and polymer polyatomic alcohol：1-2 is mixed；
The mixed catalyst is mixed by double (dimethylaminoethyl) ethers and dipropylene glycol.
2. low density high hardness polyurethane synthetic material according to claim 1, it is characterised in that：The sodium isocyanate is
Methyl diphenylene diisocyanate presses 1 with polymethylene multi-phenenyl isocyanate：1-2 is mixed.
3. low density high hardness polyurethane synthetic material according to claim 1, it is characterised in that：The polyether polyol
Hydroxyl value be 400-450mgKOH/g, relative molecular weight 1200-2000；The hydroxyl value of the polymer polyatomic alcohol is 20-
28mgKOH/g, relative molecular weight 700-1200.
4. low density high hardness polyurethane synthetic material according to claim 1, it is characterised in that：Double (diformazan ammonia
Base ethyl) ether and dipropylene glycol be according to mass ratio 1：The ratio mixing of 2-3.
5. low density high hardness polyurethane synthetic material according to claim 1, it is characterised in that：The curing agent is matter
Measure the 1- toluenesulfonic acid monohydrates that fraction is 70-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364869.4A CN108059704A (en) | 2017-12-18 | 2017-12-18 | A kind of low density high hardness polyurethane synthetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364869.4A CN108059704A (en) | 2017-12-18 | 2017-12-18 | A kind of low density high hardness polyurethane synthetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108059704A true CN108059704A (en) | 2018-05-22 |
Family
ID=62139380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711364869.4A Withdrawn CN108059704A (en) | 2017-12-18 | 2017-12-18 | A kind of low density high hardness polyurethane synthetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108059704A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735092A (en) * | 2018-12-27 | 2019-05-10 | 耿佃勇 | Resin tile novel resin material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250313A (en) * | 2011-06-03 | 2011-11-23 | 山东东大一诺威聚氨酯有限公司 | Self-skinning microporous elastomer composite for polyurethane foam tire |
| CN103923337A (en) * | 2014-04-30 | 2014-07-16 | 湖南兆恒材料科技有限公司 | Composite polymethacrylimide foam wave absorption material |
| CN104479100A (en) * | 2014-12-03 | 2015-04-01 | 舟山市银岱汽车零部件有限公司 | High-resilience foam material containing rich PAPI (polyaryl polymethylene isocyanate) polyurethane |
| CN106700027A (en) * | 2016-12-30 | 2017-05-24 | 浙江华峰新材料股份有限公司 | Polyurethane resin used for breathable insole as well as preparation method and application |
-
2017
- 2017-12-18 CN CN201711364869.4A patent/CN108059704A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102250313A (en) * | 2011-06-03 | 2011-11-23 | 山东东大一诺威聚氨酯有限公司 | Self-skinning microporous elastomer composite for polyurethane foam tire |
| CN103923337A (en) * | 2014-04-30 | 2014-07-16 | 湖南兆恒材料科技有限公司 | Composite polymethacrylimide foam wave absorption material |
| CN104479100A (en) * | 2014-12-03 | 2015-04-01 | 舟山市银岱汽车零部件有限公司 | High-resilience foam material containing rich PAPI (polyaryl polymethylene isocyanate) polyurethane |
| CN106700027A (en) * | 2016-12-30 | 2017-05-24 | 浙江华峰新材料股份有限公司 | Polyurethane resin used for breathable insole as well as preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735092A (en) * | 2018-12-27 | 2019-05-10 | 耿佃勇 | Resin tile novel resin material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6368714B1 (en) | Moisture-activated adhesive compositions | |
| CN103665319B (en) | The preparation method of resistance to polyurethane elastomeric compositions of subduing | |
| CN104797617B (en) | A kind of composition | |
| CN102264788B (en) | Method for producing viscoelastic polyurethane flexible foams | |
| MX2013000273A (en) | Rigid polyurethane foam. | |
| WO2008136179A1 (en) | Polyisocyanate composition for soft polyurethane foam and process for producing soft polyurethane foam from the composition | |
| CN104220475B (en) | Wood adhesive composition | |
| PL2029651T3 (en) | A process for the production of rigid and semi-rigid foams with low amounts of diisocyanate using polymer polyols characterized by high solids and a high hydroxyl number and the resultant foams | |
| CN105418875B (en) | Polyurethane combined material applied to low resilience vibration damping cushion block and preparation method thereof | |
| CN104263310A (en) | Single-component moisture-curing polyurethane adhesive and preparation method thereof | |
| CN104039855B (en) | Wood adhesive formulations | |
| CN101845218A (en) | Polyester type polyurethane microporous sole material and preparation method thereof | |
| WO2009091705A3 (en) | Thermally insulating isocyanate-based foams | |
| CA2861272C (en) | Wood adhesive formulation | |
| CN108059704A (en) | A kind of low density high hardness polyurethane synthetic material | |
| CN103524706A (en) | PAPI type polyurethane slow-recovery foam and method for preparing same | |
| US9670390B2 (en) | Adhesive compositions and use thereof | |
| CN105873764A (en) | Vehicle-interior material, and production method therefor | |
| CN104530384B (en) | A kind of sieve plate polyester urethane resin composition and preparation method thereof and application method | |
| RU2011109064A (en) | POLYURETHANE FILLING WEIGHT AND METHOD FOR PRODUCING IT | |
| US20210284786A1 (en) | A flexible foam formulation and method of producing the same | |
| DK1496071T3 (en) | Polyurethane resin for ink | |
| CN103087667B (en) | A kind of Polyurethane ballast glue and preparation method thereof | |
| CN112794986A (en) | Method for preparing artificial board | |
| WO2009124680A1 (en) | Polyisocyanate mixtures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180522 |