CN109503803A - A kind of preparation method of car trunk back cover board polyurethane foam board - Google Patents
A kind of preparation method of car trunk back cover board polyurethane foam board Download PDFInfo
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- CN109503803A CN109503803A CN201811489642.7A CN201811489642A CN109503803A CN 109503803 A CN109503803 A CN 109503803A CN 201811489642 A CN201811489642 A CN 201811489642A CN 109503803 A CN109503803 A CN 109503803A
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- preparation
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- mdi
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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
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- 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
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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)
Abstract
The invention belongs to technical field of polymer materials, specially a kind of preparation method of car trunk back cover board polyurethane foam board.Polyurethane high-performing car is with luggage case back cover board by A material and B material processing preparation.A material: polyether polyol, polyester polyol, vegetable oil, catalyst, foam stabiliser, chain extender, foaming agent；B component: liquefied mdi, thick MDI.Polyurethane combined material of the invention selects low volatilization, response type raw material；The production method not only easily implemented by environmental protection, but also products obtained therefrom function admirable.Prepared luggage case standby lid improves the machinery system performance of luggage case standby lid, reduces the content of volatile organic matter, meets requirement of the middle-to-high end car market to polyurethane automobile luggage case standby lid.
Description
Technical field
The invention belongs to technical field of polymer materials, specifically a kind of car trunk back cover board polyurethane foam
The preparation method of plate.
Background technique
With the promotion of people's living standard, domestic automobile industry is grown rapidly, and requirement of the middle and high end vehicle to vehicle is got over
Come higher.The car trunk postnotum of domestic traditional handicraft production needs secondary thermosetting processing, and complex procedures are not only produced into
This height, and durability is lower；And the luggage case standby lid from external import is expensive.Therefore, domesticize the high property in middle and high end
The agenda of current domestic automobile development has been mentioned in the development of energy automobile luggage case back cover board.
Summary of the invention
The object of the present invention is to provide a kind of simple process, safety and environmental protection, automobile luggage case rear back covers of good performance
The preparation method of plate.
In order to achieve the above object, technical solution of the invention is as follows.
A kind of preparation method of automobile luggage case back cover board polyurethane foam board, according to parts by weight, raw material
It is formulated as follows: 45~65 parts of polyether polyol, 25~35 parts of polyester polyol, 0.5~1.5 part of vegetable oil, tertiary amine catalyst
0.15~0.35 part, 0.5~1.5 part of silicone oil, 0.5~1.5 part of water, 10~15 parts of chain extender, 130~180 parts of thick MDI, liquefaction
25~55 parts of MDI.
Preferably, according to parts by weight, composition of raw materials is as follows: 50~60 parts of polyether polyol, polyester polyol 30~
32 parts, 0.8~1.2 part of vegetable oil, 0.15~0.25 part of tertiary amine catalyst, 1~1.5 part of silicone oil, 0.5~1 part of water, chain extender
10~15 parts, 150~170 parts of thick MDI, 35~45 parts of liquefied mdi.
Preferably, the weight average molecular weight of the polyether polyol is 4500 ± 200.
Preferably, the polyether polyol is selected from one of polytetrahydrofuran polyol or polypropylene oxide acid polyalcohol
Or two kinds.
Preferably, the vegetable oil is selected from the one or two of analysis level curcas oil or analysis level palm oil.
Preferably, the tertiary amine catalyst is selected from N, the one or two of N'- diethyl piperazine or triethanolamine.
Preferably, the silicone oil is hydroxy silicon oil.
Preferably, the chain extender be selected from one of diethyl toluene diamine, dimethylenebenzene glycol, ethylene glycol or
It is several.
Preferably, the liquefied mdi is the modified MDI of urethane.
Preferably, the liquefied mdi is the modified MDI of polyether-type.Thick MDI is that a kind of polyisocyanate oxygen acid esters of different degrees of functionality are mixed
Object is closed, 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 350-
420 low polymerization degree isocyanates is brown to brown liquid under room temperature.
Preferably, comprising the following steps:
1. the preparation of A material: into polyether polyol, polyester polyol, vegetable oil, tertiary amine catalyst, water, silicon is added
Oil and chain extender control revolving speed in 50~80rpm/min, stir 40~60min to get A material after adding；
2. the preparation of B material: thick MDI and liquefied mdi being stirred 30~40min, in 50~80rpm/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 automobile luggage case back cover board: being expected A material in the mixed zone of casting machine mixing head with B with foaming machine
It is uniformly mixed, moulding by casting；Demoulding, obtains car trunk back cover board polyurethane foam board.
Preferably, 1., 2. middle whipping temp is 20 DEG C~40 DEG C to step.During the test, it is proven, in the temperature
Range can guarantee the uniform mixing of each material, and temperature too low easily cause mixes the phenomenon that not mixing, the too high influence former material of temperature
Expect performance.
Preferably, step 4. in, demoulding time be 10~20 minutes.During the test, it is proven, in the demoulding
The interior forming property that can guarantee product.If not exclusively, time too long influence production efficiency causes for time too short sawn timber forming
The cost of production wastes.
Compared to the prior art, the beneficial effects of the present invention are:
It (1) is 4500 ± 200 polyether polyol as raw material since A material uses weight average molecular weight, it is more that addition accounts for polyethers
First a certain proportion of polyester polyol of alcohol, addition account for a certain proportion of vegetable oil of polyether polyol, and B material addition accounts for a certain proportion of
Liquefied mdi reduces the volatile quantity of overall VOC, improves the tensile property of polyurethane material；
(2) raw material selected by are suitble to the exploitation research and development of premium quality product, are liquid under material room temperature, convenient for storage
It deposits；
(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) polyurethane foam board is used to prepare car trunk back cover board, not only energy conservation and environmental protection, and function admirable,
Subsequent processing is not needed, can satisfy the requirement of high-end automobile market.
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: into 91kg polyether polyol CHE-9701, the triethanolamine of 0.2kg is added, is added 1kg's
106 hydroxy silicon oil of Jiaxing Ke Rui organosilicon Co., Ltd of 1kg is added in water, and the ethylene glycol of 10kg is added, and controls revolving speed 70
Turn/min, stir 50min at normal temperature, A material can be obtained；
2. B material preparation: B group raw material byComposition.
Raw material is stirred into 30min at normal temperature, revolving speed control is in 60 turns/min 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 automobile luggage case back cover board: being expected A material in the mixed zone of casting machine mixing head with B with foaming machine
It is uniformly mixed, moulding by casting；Demoulding, obtains polyurethane foam board, then cut arrangement and obtain automobile luggage case back cover board.
Embodiment 2
1. the preparation of A material: into the polyether polyol CHE-9701 of 60kg Wan Hua company, 30kg Hua Da polyester polyols are added
Alcohol is added 1kg palm oil, the triethanolamine of 0.2kg is added, the water of 1kg is added, the auspicious organosilicon of Jiaxing section that 1kg is added is limited
The ethylene glycol of 10kg is added in 106 hydroxy silicon oil of company, controls revolving speed in 70 turns/min, stirs 50min at normal temperature, can obtain A
Material；
2. B material preparation: B group raw material byComposition.
Raw material is stirred into 30min at normal temperature, revolving speed control is in 60 turns/min 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 automobile luggage case back cover board: being expected A material in the mixed zone of casting machine mixing head with B with foaming machine
It is uniformly mixed, moulding by casting；Demoulding, obtains polyurethane foam board, then cut arrangement and obtain automobile luggage case back cover board.
Embodiment 3
1. the preparation of A material: into the polyether polyol CHE-9701 of 50kg Wan Hua company, 32kg Hua Da polyester polyols are added
The palm oil of 0.6kg is added in alcohol, and the triethanolamine of 0.15kg is added in 0.4kg curcas oil, and the N of 0.05kg, N'- diethyl is added
The water of 0.5kg is added in base piperazine, and 106 hydroxy silicon oil of Jiaxing Ke Rui organosilicon Co., Ltd of 1.5kg is added, is added 10kg's
The dimethylenebenzene glycol of 5kg is added in ethylene glycol, controls revolving speed in 50~80 turns/min, stirs 50min at normal temperature, i.e.,
A material can be obtained；
2. the preparation of B material: B group raw material is by 160kgAnd 40kgComposition.
Raw material is stirred into 30min at normal temperature, revolving speed control is in 50~80 turns/min 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 automobile luggage case back cover board: being expected A with foaming machine to expect that 1:2 in mass ratio is mixed in casting machine with B
The mixed zone of syncephalon is uniformly mixed, moulding by casting；Demoulding, obtains polyurethane foam board, then cut arrangement and obtain automobile luggage
Case back cover board.
The performance indicator of polyurethane standby lid is shown in Table 1 in above-described embodiment 1-3.
Table 1
| Test method/standard | Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Density g/dm-3 | GB/T 35390-2017 | 114.1 | 122.2 | 124.5 |
| Compressive deformation (%) | GB T 1683-2018 | 31.2 | 28.2 | 27.3 |
| Tensile strength (MPa) | GB/T528-1998 | 61 | 70 | 71 |
| Elongation at break (%) | GB/T 14337-2008 | 37.5% | 32.6% | 33.2% |
| Hardness (Shao D) | ISO 7619-97 | 36 | 46 | 48 |
| VOC value (μ g/g) | VDA 278:2002 | 121 | 93 | 91 |
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 car trunk back cover board polyurethane foam board, which is characterized in that according to parts by weight,
Its composition of raw materials is as follows: 45~65 parts of polyether polyol, 25~35 parts of polyester polyol, 0.5~1.5 part of vegetable oil, tertiary amines
0.15~0.35 part of catalyst, 0.5~1.5 part of silicone oil, 0.5~1.5 part of water, 10~15 parts of chain extender, thick MDI 130~180
Part, 25~55 parts of liquefied mdi.
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
50~60 parts of polyalcohol, 30~32 parts of polyester polyol, 0.8~1.2 part of vegetable oil, 0.15~0.25 part of tertiary amine catalyst,
1~1.5 part of silicone oil, 0.5~1 part of water, 10~15 parts of chain extender, 150~170 parts of thick MDI, 35~45 parts of liquefied mdi.
3. preparation method according to claim 1 or 2, it is characterised in that: the weight average molecular weight of the polyether polyol is
4500±200。
4. preparation method according to claim 1 or 2, it is characterised in that: the polyether polyol is selected from polytetrahydrofuran
One or both of polyalcohol or polypropylene oxide acid polyalcohol.
5. preparation method according to claim 1, it is characterised in that: the vegetable oil is selected from analysis level curcas oil or divides
Analyse the one or two of grade palm oil.
6. preparation method according to claim 1, it is characterised in that: the tertiary amine catalyst is selected from N, N'- diethyl
The one or two of piperazine or triethanolamine.
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 selected from diethyl toluene diamine, two
One or more of methylene phenyl glycol, ethylene glycol.
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, which comprises the following steps:
1. the preparation of A material: into polyether polyol, polyester polyol, vegetable oil, tertiary amine catalyst, water, silicone oil is added, and
Chain extender controls revolving speed in 50~80rpm/min after adding, stir 40~60min at normal temperature to get A material；
2. the preparation of B material: thick MDI and liquefied mdi being stirred 30~40min at normal temperature, revolving speed is controlled in 50~80rpm/
Min 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 automobile luggage case back cover board: expecting to expect to mix in the mixed zone of casting machine mixing head with B by A with foaming machine
Uniformly, moulding by casting；Demoulding, obtains the dedicated polyurethane foam board of car trunk back cover board.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489642.7A CN109503803A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of car trunk back cover board polyurethane foam board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489642.7A CN109503803A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of car trunk back cover board polyurethane foam board |
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| CN201811489642.7A Pending CN109503803A (en) | 2018-12-06 | 2018-12-06 | A kind of preparation method of car trunk back cover board polyurethane foam board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655897A (en) * | 2019-09-12 | 2020-01-07 | 广州视源电子科技股份有限公司 | High-bonding-strength structural adhesive and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110655897A (en) * | 2019-09-12 | 2020-01-07 | 广州视源电子科技股份有限公司 | High-bonding-strength structural adhesive and preparation method thereof |
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Application publication date: 20190322 |