CN109553751A - A kind of preparation method of polyurethane steering wheel - Google Patents
A kind of preparation method of polyurethane steering wheel Download PDFInfo
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- CN109553751A CN109553751A CN201811490370.2A CN201811490370A CN109553751A CN 109553751 A CN109553751 A CN 109553751A CN 201811490370 A CN201811490370 A CN 201811490370A CN 109553751 A CN109553751 A CN 109553751A
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- preparation
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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
- C08G18/28—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
- C08G18/6629—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids 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
- 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
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
-
- 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
- C08G18/61—Polysiloxanes
-
- 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
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 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
- C08G18/6547—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/36 or hydroxylated esters of higher fatty acids 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
- 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
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Abstract
The invention belongs to technical field of polymer materials, specially a kind of preparation method of polyurethane steering wheel.Polyurethane automobile steering wheel is that raw material preparation is processed with B material by A material, A material: polyether polyol, polyester polyol, tertiary amine catalyst, silicone oil, chain extender, water, B component: liquefied mdi, thick MDI.Raw material of the invention prepares raw material for low volatilization, response type；The production method not only easily implemented by environmental protection, but also has many advantages, such as superior tensile performance, elastic property.Prepared steering wheel reduces the content of volatile organic matter in the machinery system performance for improving steering wheel, meets requirement of the middle-to-high end car market to polyurethane high-performance steering wheel.
Description
Technical field
The invention belongs to polymeric material fields, are related to the technology of preparing of polyurethane automobile steering wheel, and in particular to a kind of
The preparation method of polyurethane steering wheel.
Background technique
With the promotion of people's living standard, domestic automobile industry is grown rapidly, and middle and high end vehicle wants automobile interior
Ask higher and higher, the steering wheel of domestic conventional urethane technique production can not expire these vehicle accessory demands；And from foreign countries into
The steering wheel of mouth is expensive.Therefore, current domestic automobile hair has been mentioned in the development of production domesticization middle and high end car steering wheel
The agenda of exhibition.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of the polyurethane automobile steering wheel of simple process, function admirable.
In order to achieve the above object, technical solution of the invention is as follows.
A kind of preparation method of polyurethane steering wheel, according to parts by weight, composition of raw materials is as follows:
40~75 parts of polyether polyol, 20~45 parts of polyester polyol, 0.5~1.5 part of vegetable oil, tertiary amine catalyst
0.1~0.3 part, 0.5~1.5 part of silicone oil, 1~2 part of water, 1~3 part of chain extender, 50~70 parts of thick MDI, liquefied mdi 5~40
Part, 3~8 parts of pure MDI；Preparation method includes the following steps:
1. the preparation of A material: by polyether polyol, polyester polyol, vegetable oil, tertiary amine catalyst, water, silicone oil and chain extension
Agent, room temperature, 50~80rpm/min revolving speed under stirring 40~60min to get A material；
2. B material preparation: by thick MDI, liquefied mdi and pure MDI 50~60 DEG C temperature, at 50~80rpm/min
Revolving speed under stirring 30~40min to get B material；
3. the preparation of raw material: A material is squeezed into foaming machine A group Raw material pail；B material is squeezed into foaming machine B group Raw material pail；
4. the preparation of steering wheel: expecting to expect to be uniformly mixed in the mixed zone of casting machine mixing head with B by A with foaming machine, be poured
Molding；Demoulding is cut polyurethane foam board and is arranged, wraps up steering wheel with leather, obtain steering wheel.
In the present invention, according to parts by weight, composition of raw materials is as follows: 48~63 parts of polyether polyol, polyester polyol 27
~38 parts, 0.8~1.2 part of vegetable oil, 0.1~0.2 part of tertiary amine catalyst, 0.8~1.2 part of silicone oil, 1~1.5 part of water, chain extension
1.2~1.6 parts of agent, 60~65 parts of thick MDI, 10~35 parts of liquefied mdi, 4~6 parts of pure MDI.
In the present invention, the weight average molecular weight of the polyether polyol is 6000 ± 300.
In the present invention, the polyether polyol is polytetrahydrofuran polyol；
In the present invention, the vegetable oil is one or two kinds of combinations of analysis level curcas oil, analysis level palm oil.
In the present invention, the tertiary amine catalyst is N, N- dimethyl benzylamine, N, N- dimethyl cetylamine, N, N- dimethyl
One or more of combinations of ethanol amine.
In the present invention, the silicone oil is hydroxy silicon oil.
In the present invention, the chain extender is the combination of one or both of diethanol amine, propylene glycol.
In the present invention, the liquefied mdi is the modified MDI of urethane.
In the present invention, the pure MDI is 2.4'-MDI.
In the present invention, the liquefied mdi is the modified MDI of polyether-type.Thick MDI is a kind of polyisocyanate oxygen acid esters of different degrees of functionality
Mixture, wherein the diisocyanate (MDI) of n-0 accounts for 50% of mixture or so, remaining is that 3 degree of functionality average molecular weight are
The low polymerization degree isocyanates of 350-420 is brown to brown liquid under room temperature.
In the present invention, 4. middle demoulding time is 10~20 minutes to step.During the test, it is proven, in the demoulding
It can guarantee the forming property of product in time.If not exclusively, time too long influence production efficiency is made for time too short sawn timber forming
It is wasted at the cost of production.
Compared to the prior art, the invention has the following advantages that
It (1) is 6000 ± 300 polyether polyol as raw material since A material uses weight average molecular weight, it is more that addition accounts for polyethers
The vegetable oil for accounting for polyether polyol quality 1%~2% is added in the polyester polyol of first alcohol quality 30%~40%, and B material, which is added, to be accounted for
20%~30% liquefied mdi of gross mass accounts for 5% pure MDI of gross mass, reduces the volatile quantity of overall VOC, improve poly- ammonia
The tensile property of ester material；
(2) raw material selected by are suitble to the exploitation research and development of premium quality product, and production method is simple；
(3) in the design of preparation method, full water foamed technology, asepsis environment-protecting are taken, ozone free damage effect is a kind of
Environment-friendly type production method；
(4) raw material selected by are low volatilization, response type raw material, and preparation method has many advantages, such as environmentally friendly, pollution-free.
(5) preparation method of the polyurethane steering wheel described in, not only energy conservation and environmental protection, and function admirable do not need subsequent
Processing, can satisfy requirement of the high-end automobile market to high-performance steering wheel.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention explanation as after.
Specific embodiment
The technical scheme in the embodiment of the invention is clearly and completely described below, it is clear that described embodiment
Only a part of the embodiment of the present invention is not intended to limit the scope of the invention instead of all the embodiments.Based on the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Embodiment 1
1. the preparation of A material: to the polyether polyol of the Jinan 87kg Hua Yu Chemical Co., Ltd., N, N- dimethyl ethanol is added
Water 2kg is added in amine 0.1kg, and 106 hydroxy silicon oil 1kg of Jiaxing Ke Rui organosilicon Co., Ltd is added, and propylene glycol 1kg, control is added
Revolving speed stirs 50min in 50~80 turns/min at normal temperature, can obtain A material；
2. the preparation of B material: Wan Hua company is addedWan Hua company is added in 6928 mass 40kgMDI-50 mass 65kg.The two is stirred into 40min at normal temperature, in 30~50 turns/min, i.e., revolving speed controls
Obtain B material；
3. the preparation of raw material: A material is squeezed into foaming machine A group Raw material pail；B material is squeezed into foaming machine B group Raw material pail；
4. the preparation of steering wheel: above-mentioned A is expected to expect to be uniformly mixed in the mixed zone of casting machine mixing head with B with foaming machine,
Moulding by casting；Demoulding is cut polyurethane foam board and is arranged, wraps up steering wheel with leather, obtain low VOC steering wheel.
Embodiment 2
1. the preparation of A material: Hua Da polyester polyol is added in the polyether polyol 48kg of Jinan Hua Yu Chemical Co., Ltd.
Palm oil 1kg is added in 38kg, and N, N- dimethyl benzylamine 0.1kg is added, and water 1kg is added, and the limited public affairs of the auspicious organosilicon of Jiaxing section are added
106 hydroxy silicon oil 1kg are taken charge of, propylene glycol 1.5kg is added, revolving speed is controlled in 80 turns/min, stirs 50min at normal temperature, A can be obtained
Material；
2. the preparation of B material: Wan Hua company6928 mass 35kg, Wan Hua companies
MDI-50 mass 65kg is added1102 mass 5kg, are warming up at 50~60 DEG C and stir 40min, revolving speed control
In 50 turns/min, it is sealed to get B material；
3. the preparation of raw material: A material is squeezed into foaming machine A group Raw material pail；B material is squeezed into foaming machine B group Raw material pail；
4. the preparation of steering wheel: above-mentioned A is expected to expect to be uniformly mixed in the mixed zone of casting machine mixing head with B with foaming machine,
Moulding by casting；Demoulding is cut polyurethane foam board and is arranged, wraps up steering wheel with leather, obtain high performance polyurethane direction
Disk.
Embodiment 3
1. the preparation of A material: the polyether polyol 63kg of Jinan Hua Yu Chemical Co., Ltd., Hua Da polyester polyol 27kg,
Curcas oil 0.6kg, palm oil 0.4kg is added, N, N- dimethylethanolamine 0.1kg is added, water 1kg is added, Jiaxing section is added
Auspicious 106 hydroxy silicon oil 1kg of organosilicon Co., Ltd, be added ethylene glycol 1kg, propylene glycol 0.5kg, control revolving speed 50~80 turns/
Min stirs 50min at normal temperature, can obtain A material；
2. the preparation of B material: Wan Hua company6928 mass 10kg, Wan Hua companies
MDI-50 mass 65kg,1102 mass 5kg, which are warming up at 50~60 DEG C, stirs 40min, revolving speed control 30~
It 50 turns/min, is sealed to get B material；
3. the preparation of raw material: A material is squeezed into foaming machine A group Raw material pail；B material is squeezed into foaming machine B group Raw material pail；
4. the preparation of steering wheel: above-mentioned A is expected to expect to be uniformly mixed in the mixed zone of casting machine mixing head with B with foaming machine,
Moulding by casting；Demoulding is cut polyurethane foam board and is arranged, wraps up steering wheel with leather, obtain high performance polyurethane direction
Disk.
The performance indicator of polyurethane steering wheel is shown in Table 1 in above-described embodiment 1-3.
Table 1
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection of the invention.
Claims (10)
1. a kind of preparation method of polyurethane steering wheel, which is characterized in that according to parts by weight, composition of raw materials is as follows:
40~75 parts of polyether polyol, 20~45 parts of polyester polyol, 0.5~1.5 part of vegetable oil, tertiary amine catalyst 0.1~
0.3 part, it is 0.5~1.5 part of silicone oil, 1~2 part of water, 1~3 part of chain extender, 50~70 parts of thick MDI, 5~40 parts of liquefied mdi, pure
3~8 parts of MDI；Preparation method includes the following steps:
1. the preparation of A material: by polyether polyol, polyester polyol, vegetable oil, tertiary amine catalyst, water, silicone oil and chain extender,
Room temperature, 50~80rpm/min revolving speed under stirring 40~60min to get A material；
2. the preparation of B material: the temperature by thick MDI, liquefied mdi and pure MDI at 50~60 DEG C, turn at 50~80rpm/min
Lower 30~the 40min of stirring of speed is to get B material；
3. the preparation of raw material: A material is squeezed into foaming machine A group Raw material pail；B material is squeezed into foaming machine B group Raw material pail；
4. the preparation of steering wheel: expecting to expect to be uniformly mixed in the mixed zone of casting machine mixing head with B by A with foaming machine, moulding by casting；
Demoulding is cut polyurethane foam board and is arranged, wraps up steering wheel with leather, obtain steering wheel.
2. preparation method according to claim 1, which is characterized in that according to parts by weight, composition of raw materials is as follows: polyethers
48~63 parts of polyalcohol, 27~38 parts of polyester polyol, 0.8~1.2 part of vegetable oil, 0.1~0.2 part of tertiary amine catalyst, silicon
Oily 0.8~1.2 part, 1~1.5 part of water, 1.2~1.6 parts of chain extender, 60~65 parts of thick MDI, 10~35 parts of liquefied mdi, pure MDI
4~6 parts.
3. preparation method according to claim 1, it is characterised in that: the weight average molecular weight of the polyether polyol is 6000
±300。
4. preparation method according to claim 1, it is characterised in that: the polyether polyol is that polytetrahydrofuran is polynary
Alcohol.
5. preparation method according to claim 1, it is characterised in that: the vegetable oil is analysis level curcas oil, analysis
One or two kinds of combinations of grade palm oil.
6. preparation method according to claim 1, it is characterised in that: the tertiary amine catalyst is N, N- dimethylbenzyl
Amine, N, N- dimethyl cetylamine, N, one or more of combinations of N- dimethylethanolamine.
7. preparation method according to claim 1, it is characterised in that: the silicone oil is hydroxy silicon oil.
8. preparation method according to claim 1, it is characterised in that: the chain extender is diethanol amine, in propylene glycol
One or two kinds of combinations.
9. preparation method according to claim 1, it is characterised in that: the liquefied mdi is the modified MDI of urethane.
10. preparation method according to claim 1, it is characterised in that: the pure MDI is 2.4'-MDI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490370.2A CN109553751A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of polyurethane steering wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490370.2A CN109553751A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of polyurethane steering wheel |
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| CN109553751A true CN109553751A (en) | 2019-04-02 |
Family
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| CN201811490370.2A Pending CN109553751A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of polyurethane steering wheel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862675A (en) * | 2019-11-27 | 2020-03-06 | 湖北世丰汽车内饰有限公司 | Low-air-permeability polyester sponge and preparation method thereof |
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| CN103965434A (en) * | 2013-02-05 | 2014-08-06 | 赢创工业集团股份有限公司 | Composition for use in manufacture of polyurethane system |
| CN105601873A (en) * | 2015-12-31 | 2016-05-25 | 山东一诺威聚氨酯股份有限公司 | Polyurethane integral skin combined material used for automobile steering wheel and preparation method thereof |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102181038A (en) * | 2011-04-07 | 2011-09-14 | 温州市登达化工有限公司 | Preparation method of polyurethane stock solution for automobile steering wheel |
| CN103965434A (en) * | 2013-02-05 | 2014-08-06 | 赢创工业集团股份有限公司 | Composition for use in manufacture of polyurethane system |
| CN105601873A (en) * | 2015-12-31 | 2016-05-25 | 山东一诺威聚氨酯股份有限公司 | Polyurethane integral skin combined material used for automobile steering wheel and preparation method thereof |
| CN108047422A (en) * | 2017-12-14 | 2018-05-18 | 山东诺威聚氨酯股份有限公司 | Vehicle steering urethane composition and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862675A (en) * | 2019-11-27 | 2020-03-06 | 湖北世丰汽车内饰有限公司 | Low-air-permeability polyester sponge and preparation method thereof |
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