CN103214820A - Graphite-doped composite polyurethane material - Google Patents
Graphite-doped composite polyurethane material Download PDFInfo
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- CN103214820A CN103214820A CN2013101174538A CN201310117453A CN103214820A CN 103214820 A CN103214820 A CN 103214820A CN 2013101174538 A CN2013101174538 A CN 2013101174538A CN 201310117453 A CN201310117453 A CN 201310117453A CN 103214820 A CN103214820 A CN 103214820A
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- mixture
- graphite
- polyurethane material
- isocyanic ester
- composite polyurethane
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- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a graphite-doped composite polyurethane material. The material is prepared from the following raw materials in parts by weight: 5-15 parts of graphite mixture, 0.01-10 parts of catalyst mixture, 5-20 parts of flame retardant, 90-120 of mixture of polyol mixture and isocyanate or 90-110 of isocyanate modified by adopting polyester polyol with 40-1000 mgKOH/g hydroxyl value of two hydroxy functional groups on the basis of 4,4-methyl diphenylene diisocyanate through using an amine ester method. The material can be used for not only increasing the abrasion resistance of polyurethane, but also improving the flame retardant performance of the polyurethane material and achieving the purpose of abrasion resistance and flame retardancy.
Description
Technical field
The present invention relates to the polyurethane material field, exactly is a kind of composite polyurethane material of doped graphite.
Background technology
Urethane is a kind of macromolecular material between plastics and rubber, has the title of " abrasive rubber ".Often be used to make housing material, and the association area of the polyurethane screen that preparation equipment uses, various thermal-insulating waterproofs.But the existing polyurethane material that is used to make the preparation equipment screen cloth, owing to the reason utmost point of working conditions is not wear-resisting, and difficulty of processing is big, causes cost too high; The urethane that the housing material of various thermal-insulating waterproofs is used, though can be good at playing waterproof thermal-insulated effect, but will burn in case run into fire, and this material of urethane is in case burning will produce the gas that contains hypertoxic prussic acid, the people sucks flatly will be dead, and therefore not only causing any property loss also can cause casualties.Therefore how to design, synthetic high abrasion and polyurethane material with certain flame retardant effect be that the synthetic person of urethane needs the problem that will solve badly.
Summary of the invention
The object of the present invention is to provide a kind of wear resisting property that not only will increase urethane, also will improve the flame retardant properties of polyurethane material simultaneously, with the composite polyurethane material of the doped graphite of the purpose that reaches abrasion resistant fire blocking.
Above-mentioned purpose realizes by following scheme:
A kind of composite polyurethane material of doped graphite is characterized in that: it is to be made by the raw material of following weight parts:
Graphite mixture 5-15;
Catalyst mixture 0.01-10;
Flame-retardant mixture 5-20;
The mixture 90-120 of polyol blends and isocyanic ester or with 4, it is the isocyanic ester 90-110 of 40--1000 mgKOH/g polyester polyol through the modification of ammonia ester method that 4 '-diphenylmethanediisocyanate adopts the hydroxyl value of two hydroxy functional groups for the basis;
The mixture of described polyol blends and isocyanic ester is made by the raw material of following weight parts:
Polyol blends 50-60
Isocyanic ester 40-60.
The composite polyurethane material of described a kind of doped graphite is characterized in that:
Described polyol blends is that hydroxyl value is 40--100 mgKOH/g with ethylene glycol, butyleneglycol any one or the two kinds of whiles polyester polyol as initiator, and acid number is 0.01--1.04mgKOH/g;
It is rough 4 that described isocyanic ester refers to, 4 '-diphenylmethanediisocyanate;
Described graphite mixture comprises particle diameter 10-80 nm nano-graphite and 2-200 μ m micron graphite;
Described catalyst mixture refers to one or more in amines catalyst and the organic tin catalyzer;
Described flame-retardant mixture comprises bromide fire retardant and organic phosphate flame-retardant agent composition or one of them.
The composite polyurethane material of described a kind of doped graphite is characterized in that: described amines catalyst refers to triethylamine, triethylenediamine, dimethyl benzylamine, 3,3'-two chloro-4, one or more in the 4'-diaminodiphenyl-methane; The organic tin catalyzer refers to one or more in stannous octoate, the dibutyl tin laurate.
The composite polyurethane material of described a kind of doped graphite, it is characterized in that: with said mixture mix by weight the back earlier in the baking oven the inside in 90-100 ℃ of following thermal pretreatment 9-11 hour, and then reaction 10-12h is promptly down in 95-105 ℃ to put into mould.
Beneficial effect of the present invention is: the present invention not only increases the wear resisting property of urethane, also will improve the flame retardant properties of polyurethane material simultaneously, has reached the purpose of abrasion resistant fire blocking.
Embodiment
Embodiment 1,
4,4 '-diphenylmethanediisocyanate is for to adopt the hydroxyl value of a plurality of hydroxy functional groups be 40--1000 mgKOH/g polyether glycol on the basis through 100 parts of the isocyanic ester of ammonia ester method modification, 10 parts of catalyst mixtures, 10 parts of graphite mixtures, 10 parts of flame-retardant mixtures mix the back and stir the injection mould fast.
Described
(one. polyol blends comprises:
The hydroxyl value that contains two hydroxy functional groups is the polyether glycol A 5%--10% of 40--800 mgKOH/g
The hydroxyl value that contains three hydroxy functional groups is the polyether glycol B 5%--70% of 300--800 mgKOH/g
The hydroxyl value that contains six hydroxy functional groups is the polyether glycol C 5%--50% of 300--800 mgKOH/g
The hydroxyl value that contains the phenyl ring hydroxy functional group is the polyester polyol D 5%--20% of 300--800 mgKOH/g
Hydroxyl value is 300--800 mgKOH/g Gum Rosin E 5%--20%,
Two. isocyanic ester comprises with rough 4, it is the isocyanic ester of initiator polyether glycol through the modification of ammonia ester method that 4 '-diphenylmethanediisocyanate (MDI) adopts ethylene glycol for the basis, the content of initial isocyanic ester (NCO) is 30.5%, (25 ° of C) viscosity is 330mpa.s, the content of isocyanic ester (NCO) is 20% behind 70 ° of C reaction 4h, and (25 ° of C) viscosity is 240mpa.s)
With said mixture mix by weight the back earlier in the baking oven the inside in 100 ℃ of following thermal pretreatment 10 hours, and then reaction 10h is promptly down in 100 ℃ to put into mould.
| Hardness/Shao A | Tensile strength/MPa | Tear strength/KN/m | Oxygen index | Rebound value | Akron abrasion/cm 3/1.61KM |
| 87 | 40 | 80 | 26 | 50 | 0.027 |
Embodiment 2,
A kind of composite polyurethane material of doped graphite, it is to be made by the raw material of following weight parts (kg):
Polyol blends 45
Isocyanic ester 55
Graphite mixture 10
Catalyst mixture 6
Flame-retardant mixture 7.
Described polyol blends is with the polyester polyol of ethylene glycol as initiator, and hydroxyl value is 40--100 mgKOH/g, and acid number is 0.01--1.04mgKOH/g;
Described isocyanic ester is rough 4,4 '-diphenylmethanediisocyanate.
Described graphite mixture comprises particle diameter 10-80 nm nano-graphite and 2-200 μ m micron graphite;
To be amines catalyst and organic tin catalyzer form according to the mixed of 0.8:1 described catalyst mixture bag.
To be bromide fire retardant and phosphate flame retardant form according to the mixed of 1:1 described flame-retardant mixture.
Described amines catalyst is by triethylamine, triethylenediamine, dimethyl benzylamine, 3,3'-two chloro-4, and 4'-diaminodiphenyl-methane equal proportion is mixed and is got; The organic tin catalyzer is mixed and is got by stannous octoate, dibutyl tin laurate equal proportion.
With said mixture mix by weight the back earlier in the baking oven the inside in 100 ℃ of following thermal pretreatment 10 hours, and then reaction 10h is promptly down in 100 ℃ to put into mould.
| Hardness/Shao A | Tensile strength/MPa | Tear strength/KN/m | Oxygen index | Rebound value | Akron abrasion/cm 3/1.61KM |
| 89 | 44 | 85 | 27 | 53 | 0.028 |
Claims (4)
1. the composite polyurethane material of a doped graphite, it is characterized in that: it is to be made by the raw material of following weight parts:
Graphite mixture 5-15;
Catalyst mixture 0.01-10;
Flame-retardant mixture 5-20;
The mixture 90-120 of polyol blends and isocyanic ester or with 4, it is the isocyanic ester 90-110 of 40--1000 mgKOH/g polyester polyol through the modification of ammonia ester method that 4 '-diphenylmethanediisocyanate adopts the hydroxyl value of two hydroxy functional groups for the basis;
The mixture of described polyol blends and isocyanic ester is made by the raw material of following weight parts:
Polyol blends 50-60
Isocyanic ester 40-60.
2. the composite polyurethane material of a kind of doped graphite according to claim 1 is characterized in that:
Described polyol blends is that hydroxyl value is 40--100 mgKOH/g with ethylene glycol, butyleneglycol any one or the two kinds of whiles polyester polyol as initiator, and acid number is 0.01--1.04mgKOH/g;
It is rough 4 that described isocyanic ester refers to, 4 '-diphenylmethanediisocyanate;
Described graphite mixture comprises particle diameter 10-80 nm nano-graphite and 2-200 μ m micron graphite;
Described catalyst mixture refers to one or more in amines catalyst and the organic tin catalyzer;
Described flame-retardant mixture comprises bromide fire retardant and organic phosphate flame-retardant agent composition or one of them.
3. the composite polyurethane material of a kind of doped graphite according to claim 1, it is characterized in that: described amines catalyst refers to triethylamine, triethylenediamine, dimethyl benzylamine, 3,3'-two chloro-4, one or more in the 4'-diaminodiphenyl-methane; The organic tin catalyzer refers to one or more in stannous octoate, the dibutyl tin laurate.
4. the composite polyurethane material of a kind of doped graphite according to claim 1, it is characterized in that: with said mixture mix by weight the back earlier in the baking oven the inside in 90-100 ℃ of following thermal pretreatment 9-11 hour, and then reaction 10-12h is promptly down in 95-105 ℃ to put into mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101174538A CN103214820A (en) | 2013-04-07 | 2013-04-07 | Graphite-doped composite polyurethane material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101174538A CN103214820A (en) | 2013-04-07 | 2013-04-07 | Graphite-doped composite polyurethane material |
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| CN103214820A true CN103214820A (en) | 2013-07-24 |
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| CN2013101174538A Pending CN103214820A (en) | 2013-04-07 | 2013-04-07 | Graphite-doped composite polyurethane material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770268A (en) * | 2014-01-13 | 2014-05-07 | 安徽鑫诺矿业装备制造有限公司 | Forming method of non-planar polyurethane screen meshes |
| CN105568707A (en) * | 2015-12-22 | 2016-05-11 | 福建华夏合成革有限公司 | Wear-resistant artificial leather |
| CN106366283A (en) * | 2016-09-27 | 2017-02-01 | 湖北创鑫聚氨酯材料有限公司 | Novel polyurethane material |
| CN113462146A (en) * | 2021-07-06 | 2021-10-01 | 佛山市协通橡塑制品有限公司 | Soft running board wearing layer |
Citations (5)
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|---|---|---|---|---|
| CN1724577A (en) * | 2004-07-23 | 2006-01-25 | 四川大学 | Preparation of expandable graphite filled high dendensity hard polyurethane foamed plastic |
| CN101265358A (en) * | 2008-05-13 | 2008-09-17 | 北京科聚化工新材料有限公司 | Hard polyurethane foam, preparation method and application thereof |
| CN101503567A (en) * | 2009-03-05 | 2009-08-12 | 中国科学技术大学 | Nano composite expansion flame-retardant polyurethane foam plastic and preparation thereof |
| CN102532469A (en) * | 2011-12-28 | 2012-07-04 | 南京双威生物医学科技有限公司 | Graphite composite modified fire-retardant anti-static polyurethane and adhesive plaster |
| CN102719086A (en) * | 2012-07-02 | 2012-10-10 | 江苏科泰绝热新材料有限公司 | Flame retarding polyurethane foam and preparation method thereof |
-
2013
- 2013-04-07 CN CN2013101174538A patent/CN103214820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724577A (en) * | 2004-07-23 | 2006-01-25 | 四川大学 | Preparation of expandable graphite filled high dendensity hard polyurethane foamed plastic |
| CN101265358A (en) * | 2008-05-13 | 2008-09-17 | 北京科聚化工新材料有限公司 | Hard polyurethane foam, preparation method and application thereof |
| CN101503567A (en) * | 2009-03-05 | 2009-08-12 | 中国科学技术大学 | Nano composite expansion flame-retardant polyurethane foam plastic and preparation thereof |
| CN102532469A (en) * | 2011-12-28 | 2012-07-04 | 南京双威生物医学科技有限公司 | Graphite composite modified fire-retardant anti-static polyurethane and adhesive plaster |
| CN102719086A (en) * | 2012-07-02 | 2012-10-10 | 江苏科泰绝热新材料有限公司 | Flame retarding polyurethane foam and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770268A (en) * | 2014-01-13 | 2014-05-07 | 安徽鑫诺矿业装备制造有限公司 | Forming method of non-planar polyurethane screen meshes |
| CN105568707A (en) * | 2015-12-22 | 2016-05-11 | 福建华夏合成革有限公司 | Wear-resistant artificial leather |
| CN105568707B (en) * | 2015-12-22 | 2017-10-27 | 福建华夏合成革有限公司 | A kind of wear-resistant artificial leather |
| CN106366283A (en) * | 2016-09-27 | 2017-02-01 | 湖北创鑫聚氨酯材料有限公司 | Novel polyurethane material |
| CN113462146A (en) * | 2021-07-06 | 2021-10-01 | 佛山市协通橡塑制品有限公司 | Soft running board wearing layer |
| CN113462146B (en) * | 2021-07-06 | 2023-08-15 | 佛山市协通新材料制造有限公司 | Soft running plate wear-resisting layer |
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Application publication date: 20130724 |