CN109679068A - Polyurethane highway barrier and preparation method thereof - Google Patents
Polyurethane highway barrier and preparation method thereof Download PDFInfo
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- CN109679068A CN109679068A CN201811433120.5A CN201811433120A CN109679068A CN 109679068 A CN109679068 A CN 109679068A CN 201811433120 A CN201811433120 A CN 201811433120A CN 109679068 A CN109679068 A CN 109679068A
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3814—Polyamines
-
- 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
- C08G18/4804—Two or more polyethers 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
- C08G18/65—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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Abstract
The invention belongs to polyurethane product technical fields, and in particular to a kind of polyurethane highway barrier and preparation method thereof.The polyurethane highway barrier, is made of, wherein component A is prepared from the following raw materials in parts by weight component A and B component: polyether polyol DDL-2000D:40~70 part；Polyether polyol DMD-3000:30~60 part；MDI:18~55 part；B component is prepared from the following raw materials in parts by weight: polyether polyol DEP-3033:10~35 part；Chain extender: 1.5~8 parts；Catalyst: 0.3~0.9 part；Water: 0.2~0.6 part；Foam stabiliser: 0.3~0.6 part；Pigment: 1~3 part.Complex role between each component of the present invention, the polyurethane highway barrier of preparation have good cushion performance, also have preferable intensity, safety coefficient greatly improves, while having acid and alkali-resistance and weatherability advantage again.The preparation method is simply easily implemented.
Description
Technical field
The invention belongs to polyurethane product technical fields, and in particular to a kind of polyurethane highway barrier and preparation method thereof.
Background technique
With the rapid development of domestic highway construction, safety barrier market constantly expands.Existing guardrail mainly uses metal material
Matter, some sections are due to using the guardrail product dealt with improperly of anticorrosion process, few then time one or two years, guardrail just rusty stain spot
Spot, substantially reduces the effective life of guardrail, while also increasing maintenance cost.The material of these products simultaneously, safety
It is not high.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of polyurethane highway barrier, have slow well
Punching performance, preferable intensity, safety coefficient greatly improve, meanwhile, because maintenance cost is big the characteristics of its acid and alkali-resistance, weatherability
It is big to reduce；Present invention simultaneously provides preparation methods, simple easily to implement.
Polyurethane highway barrier of the present invention, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
Polyether polyol DDL-2000D:40~70 part；
Polyether polyol DMD-3000:30~60 part；
MDI:18~55 part；
B component is prepared from the following raw materials in parts by weight:
Polyether polyol DEP-3033:10~35 part；
Chain extender: 1.5~8 parts；
Catalyst: 0.3~0.9 part；
Water: 0.2~0.6 part；
Foam stabiliser: 0.3~0.6 part；
Pigment: 1~3 part.
Preferably, component A is prepared from the following raw materials in parts by weight:
DDL-2000D:55 parts of polyether polyol；
DMD-3000:45 parts of polyether polyol；
MDI:35 parts.
B component is prepared from the following raw materials in parts by weight:
DEP-3033:22 parts of polyether polyol；
Chain extender: 5 parts；
Catalyst: 0.6 part；
Water: 0.4 part；
Foam stabiliser: 0.5 part；
Pigment: 2 parts.
Polyether polyol DDL-2000D, the polyethers are 2 functions that federal chemical Industrial Co., Ltd's production is believed by Zibo moral
Degree, the polyether polyol of molecular weight 2000, elasticity is good for the product made of this kind of polyalcohol, good toughness etc..
Polyether polyol DMD-3000, the polyethers are 3 functions that federal chemical Industrial Co., Ltd's production is believed by Zibo moral
Degree, the polyether polyol of molecular weight 3000, the product strength made of this kind of polyalcohol are high.
MDI (methyl diphenylene diisocyanate), reaction speed is fast, good mechanical property.
Polyether polyol DEP-3033, the polyethers are 4 functions that federal chemical Industrial Co., Ltd's production is believed by Zibo moral
Degree, the polyether polyol of molecular weight 6500, the Article Stiffness Determination made of this kind of polyalcohol is big, cushion performance is good
Wherein:
The chain extender is MOCA, plays chain extension curing agent.
The catalyst is amines catalyst A33.
The preparation method of polyurethane highway barrier of the present invention, comprising the following steps:
1) preparation of component A: polyether polyol DDL-2000D and polyether polyol DMD-3000 takes out true at 100~120 DEG C
Sky 1.5~2.0h of dehydration, is cooled to 45~55 DEG C, and MDI is added, synthesizes NCO content at 70~80 DEG C are as follows: 3~10% pre-polymerization
Body obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, chain extender, catalyst, water, foam stabiliser and pigment
It is uniformly mixed, obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 50~60 DEG C, in 3~5MPa pressure
Lower reaction molding, after obtaining test piece, 100~150 DEG C vulcanize 24~36 hours, obtain finished product.
The mass ratio of the component A and B component is 100:70~150.
Compared with prior art, beneficial effects of the present invention are as follows:
1, complex role between each component of the present invention, the polyurethane highway barrier of preparation have good cushion performance,
There is preferable intensity, safety coefficient greatly improves, meanwhile, because maintenance cost drops significantly the characteristics of its acid and alkali-resistance, weatherability
It is low.
2, preparation method of the present invention is simply easily implemented.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Raw material used in the examples is unless otherwise specified marketable material.
Embodiment 1
The polyurethane highway barrier, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
DDL-2000D:55 parts of polyether polyol；
DMD-3000:45 parts of polyether polyol；
MDI:35 parts.
B component is prepared from the following raw materials in parts by weight:
DEP-3033:22 parts of polyether polyol；
MOCA:5 parts；
A33:0.6 parts of amines catalyst；
Water: 0.4 part；
Foam stabiliser: 0.5 part；
Pigment: 2 parts.
Preparation method, comprising the following steps:
1) preparation of component A: polyether polyol DDL-2000D and polyether polyol DMD-3000 vacuumizes de- at 110 DEG C
Water 2.0h is cooled to 50 DEG C, and MDI is added, and the performed polymer that synthesis NCO content is 6% at 75 DEG C obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, MOCA, amines catalyst A33, water, foam stabiliser and
Pigment is uniformly mixed, and obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 55 DEG C, under 4MPa pressure reaction at
Type, after obtaining test piece, 100 DEG C vulcanize 24 hours, obtain finished product.
Wherein, the mass ratio of component A and B component is 100:110.
Embodiment 2
The polyurethane highway barrier, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
DDL-2000D:70 parts of polyether polyol；
DMD-3000:30 parts of polyether polyol；
MDI:55 parts；
B component is prepared from the following raw materials in parts by weight:
DEP-3033:10 parts of polyether polyol；
Chain extender: 1.5 parts；
Catalyst: 0.9 part；
Water: 0.2 part；
Foam stabiliser: 0.3 part；
Pigment: 1 part.
Preparation method, comprising the following steps:
1) preparation of component A: polyether polyol DDL-2000D and polyether polyol DMD-3000 vacuumizes de- at 100 DEG C
Water 2.0h is cooled to 45 DEG C, and MDI is added, and the performed polymer that synthesis NCO content is 10% at 80 DEG C obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, MOCA, amines catalyst A33, water, foam stabiliser and
Pigment is uniformly mixed, and obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 50 DEG C, under 5MPa pressure reaction at
Type, after obtaining test piece, 100 DEG C vulcanize 36 hours, obtain finished product.
Wherein, the mass ratio of component A and B component is 100:150.
Embodiment 3
The polyurethane highway barrier, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
DDL-2000D:40 parts of polyether polyol；
DMD-3000:60 parts of polyether polyol；
MDI:18 parts；
B component is prepared from the following raw materials in parts by weight:
DEP-3033:35 parts of polyether polyol；
Chain extender: 8 parts；
Catalyst: 0.3 part；
Water: 0.6 part；
Foam stabiliser: 0.6 part；
Pigment: 3 parts.
Preparation method, comprising the following steps:
1) preparation of component A: polyether polyol DDL-2000D and polyether polyol DMD-3000 vacuumizes de- at 120 DEG C
Water 1.5h is cooled to 55 DEG C, and MDI is added, and the performed polymer that synthesis NCO content is 3% at 70 DEG C obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, MOCA, amines catalyst A33, water, foam stabiliser and
Pigment is uniformly mixed, and obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 60 DEG C, under 3MPa pressure reaction at
Type, after obtaining test piece, 150 DEG C vulcanize 24 hours, obtain finished product.
Wherein, the mass ratio of component A and B component is 100:70.
Comparative example 1
The polyurethane highway barrier, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
DDL-2000D:100 parts of polyether polyol；
MDI:35 parts.
B component is prepared from the following raw materials in parts by weight:
DEP-3033:22 parts of polyether polyol；
MOCA:5 parts；
A33:0.6 parts of amines catalyst；
Water: 0.4 part；
Foam stabiliser: 0.5 part；
Pigment: 2 parts.
Preparation method, comprising the following steps:
1) preparation of component A: polyether polyol DDL-2000D vacuumizes dehydration 2.0h at 110 DEG C, is cooled to 50 DEG C, adds
Enter MDI, the performed polymer that synthesis NCO content is 6% at 75 DEG C obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, MOCA, amines catalyst A33, water, foam stabiliser and
Pigment is uniformly mixed, and obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 55 DEG C, under 4MPa pressure reaction at
Type, after obtaining test piece, 100 DEG C vulcanize 24 hours, obtain finished product.
Wherein, the mass ratio of component A and B component is 100:110.
Comparative example 2
The polyurethane highway barrier, is made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
DMD-3000:100 parts of polyether polyol；
MDI:35 parts.
B component is prepared from the following raw materials in parts by weight:
DEP-3033:22 parts of polyether polyol；
MOCA:5 parts；
A33:0.6 parts of amines catalyst；
Water: 0.4 part；
Foam stabiliser: 0.5 part；
Pigment: 2 parts.
Preparation method, comprising the following steps:
1) preparation of component A: polyether polyol DMD-3000 vacuumizes dehydration 2.0h at 110 DEG C, is cooled to 50 DEG C, is added
MDI, the performed polymer that synthesis NCO content is 6% at 75 DEG C, obtains component A；
2) preparation of B component: by polyether polyol DEP-3033, MOCA, amines catalyst A33, water, foam stabiliser and
Pigment is uniformly mixed, and obtains B component；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 55 DEG C, under 4MPa pressure reaction at
Type, after obtaining test piece, 100 DEG C vulcanize 24 hours, obtain finished product.
Wherein, the mass ratio of component A and B component is 100:110.
The embodiment 1-3 and comparative example 1-2 polyurethane highway barrier prepared is tested for the property, test result is shown in Table 1.
1 the performance test results of table
Acid and alkali resistance performance test refers to: at room temperature, it is small in 10% hydrochloric acid, 10% sodium hydroxide solution to impregnate 168 respectively
Shi Hou surveys its volume change.
Claims (6)
1. a kind of polyurethane highway barrier, it is characterised in that: be made of component A and B component, wherein
Component A is prepared from the following raw materials in parts by weight:
Polyether polyol DDL-2000D:40~70 part；
Polyether polyol DMD-3000:30~60 part；
MDI:18~55 part；
B component is prepared from the following raw materials in parts by weight:
Polyether polyol DEP-3033:10~35 part；
Chain extender: 1.5~8 parts；
Catalyst: 0.3~0.9 part；
Water: 0.2~0.6 part；
Foam stabiliser: 0.3~0.6 part；
Pigment: 1~3 part.
2. polyurethane highway barrier according to claim 1, it is characterised in that: component A by following parts by weight raw material
It is made:
DDL-2000D:55 parts of polyether polyol；
DMD-3000:45 parts of polyether polyol；
MDI:35 parts.
B component is prepared from the following raw materials in parts by weight:
DEP-3033:22 parts of polyether polyol；
Chain extender: 5 parts；
Catalyst: 0.6 part；
Water: 0.4 part；
Foam stabiliser: 0.5 part；
Pigment: 2 parts.
3. polyurethane highway barrier according to claim 1, it is characterised in that: the chain extender is MOCA.
4. polyurethane highway barrier according to claim 1, it is characterised in that: the catalyst is amines catalyst
A33。
5. a kind of preparation method of any polyurethane highway barrier of claim 1-4, it is characterised in that: including following step
It is rapid:
1) preparation of component A: polyether polyol DDL-2000D and polyether polyol DMD-3000 vacuumizes de- at 100~120 DEG C
1.5~2.0h of water is cooled to 45~55 DEG C, and MDI is added, and the performed polymer that synthesis NCO content is 3~10% at 70~80 DEG C obtains A
Component；
2) preparation of B component: polyether polyol DEP-3033, chain extender, catalyst, water, foam stabiliser and pigment are mixed
Uniformly, B component is obtained；
3) component A is uniformly mixed with B component, is poured into mold, mold is maintained at 50~60 DEG C, anti-under 3~5MPa pressure
It should form, after obtaining test piece, 100~150 DEG C vulcanize 24~36 hours, obtain finished product.
6. the preparation method of polyurethane highway barrier according to claim 5, it is characterised in that: the component A and B group
The mass ratio divided is 100:70~150.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433120.5A CN109679068A (en) | 2018-11-28 | 2018-11-28 | Polyurethane highway barrier and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811433120.5A CN109679068A (en) | 2018-11-28 | 2018-11-28 | Polyurethane highway barrier and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109679068A true CN109679068A (en) | 2019-04-26 |
Family
ID=66184428
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| CN201811433120.5A Pending CN109679068A (en) | 2018-11-28 | 2018-11-28 | Polyurethane highway barrier and preparation method thereof |
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| CN101096407A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Transparent polyurethane elastomer component material and using method thereof |
| CN102532466A (en) * | 2011-11-30 | 2012-07-04 | 黎明化工研究院 | Micropore polyurethane elastomer material and preparation method and use thereof |
| CN106810659A (en) * | 2017-02-24 | 2017-06-09 | 耿佃勇 | Polyurethane clothing model and preparation method thereof |
| CN106866925A (en) * | 2017-02-24 | 2017-06-20 | 耿佃勇 | Polyurethane solid tyre and preparation method thereof |
| CN107987253A (en) * | 2017-12-14 | 2018-05-04 | 山东诺威体育产业有限公司 | Crash barrier for roads combines material and preparation method with microporous polyurethane elastomer |
-
2018
- 2018-11-28 CN CN201811433120.5A patent/CN109679068A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549835A (en) * | 2001-08-29 | 2004-11-24 | �ȿ˻�ѧ�ɷ�����˾ | polyurethane elastomer, preparation method and application thereof |
| CN101096407A (en) * | 2006-06-26 | 2008-01-02 | 山东东大一诺威聚氨酯有限公司 | Transparent polyurethane elastomer component material and using method thereof |
| CN102532466A (en) * | 2011-11-30 | 2012-07-04 | 黎明化工研究院 | Micropore polyurethane elastomer material and preparation method and use thereof |
| CN106810659A (en) * | 2017-02-24 | 2017-06-09 | 耿佃勇 | Polyurethane clothing model and preparation method thereof |
| CN106866925A (en) * | 2017-02-24 | 2017-06-20 | 耿佃勇 | Polyurethane solid tyre and preparation method thereof |
| CN107987253A (en) * | 2017-12-14 | 2018-05-04 | 山东诺威体育产业有限公司 | Crash barrier for roads combines material and preparation method with microporous polyurethane elastomer |
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Application publication date: 20190426 |