CN106832176A - Wall sound-isolation pad polyurethane foam and preparation method thereof before a kind of environmentally friendly vehicle - Google Patents
Wall sound-isolation pad polyurethane foam and preparation method thereof before a kind of environmentally friendly vehicle Download PDFInfo
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- CN106832176A CN106832176A CN201710086617.3A CN201710086617A CN106832176A CN 106832176 A CN106832176 A CN 106832176A CN 201710086617 A CN201710086617 A CN 201710086617A CN 106832176 A CN106832176 A CN 106832176A
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- polyurethane foam
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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
- C08G18/40—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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy 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
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5075—Polyethers having heteroatoms other than oxygen having phosphorus
- C08G18/5078—Polyethers having heteroatoms other than oxygen having phosphorus having phosphorus bound to carbon and/or to hydrogen
-
- 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
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08G2350/00—Acoustic or vibration damping material
Abstract
Wall sound-isolation pad polyurethane foam and preparation method thereof before a kind of environmentally friendly vehicle of present invention offer, material composition includes PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the PPG A is polyoxypropyleneglycol, the PPG B is flame-retardant polyether glycol, the catalyst is amine and novel built catalyst, it is first that aldehyde remover A and aldehyde remover B is miscible in water during preparation, then above-mentioned raw materials are put into reactor mixing successively, product finally is obtained with isocyanates mixed foaming.Wall sound-isolation pad polyurethane foam environmental protection before a kind of environmentally friendly vehicle that the present invention is provided, sound insulation value is good, and safety coefficient is high, preparation process is simple.
Description
Technical field
The invention belongs to automotive interior material preparing technical field, and in particular to wall sound-isolation pad is used poly- before a kind of environmentally friendly vehicle
Urethane foam and preparation method thereof.
Background technology
Automotive upholstery is generally mounted to inside automobile passenger compartment, plays the effects such as beautification, protection and sound insulating and absorbing.
High-performance, the feature of environmental protection, the epoch of comfortableness are increasingly pursued, the interior trim of automobile increasingly obtains people as the performance of automobile
Concern, requirement of the people to automotive upholstery also more and more higher.Automobile front wall sound-isolation pad drives cabin portion installed in automobile front wall
Position, plays heat-insulated and deadening, is prevented from the noise and the incoming driving cabin of heat of engine generation.Existing automobile front wall
Sound insulating pad majority is to use polyurethane foam material, and raw materials for production include various auxiliary agents, catalyst, foam stabilizer, fire retardant, POP
, there is the limitation in terms of existing process in graft polyether etc., can bring corresponding volatile substance during the manufacturing, have influence on vapour
Car in-car air quality, wherein volatile quantity it is larger including the aldehydes such as formaldehyde, acetaldehyde, benzene homologues and total carbon, volatile content
Greatly, it is impossible to meet the examination criteria of the VOC (volatile organic matter) of vehicle factory.Additionally, such polyurethane foam material fire prevention level
It is not relatively low, it is inflammable when engine continuous generate heat or meet with burning things which may cause a fire disaster, there is potential safety hazard.
Patent of invention is used to make the environment-protecting polyurethane composition of vehicle noise insulation pad and preparation method thereof (Application No.
201110437322.9) it is made up of component A and B component, wherein component A is steady by PPG, crosslinking agent, foaming agent, foam
Determine agent, catalyst, antioxidant, solid filler, solid flame retardant composition；B component is by PPG, pore-creating agent, isocyanic acid
Ester, storage stabilizing agent composition.When using, by A, B component material by necessarily mixing injection molding is carried out than row, die sinking in 2-10 minutes can system
Product.The invention can produce volatile matter using the sound insulating pad material obtained in combination material is light, absorbing sound and lowering noise, and influence is in-car
Air quality, and need addition fire retardant to improve fire protecting performance, complex manufacturing.
A kind of sound insulating pad of patent of invention blown polyurethane materials (Application No. 201210401656.5), component and weight
Part is as follows：PPG 100-120 parts, isocyanates 5-8 parts, 1.3-2.5 parts of ethyl phosphonic acid diethylester, water 10-20 parts, it is poly-
0.5-1.5 parts, crosslinking agent 0.05-1.2 parts, melamine 5-30 parts of siloxane-oxyalkylene hydrocarbon block copolymer.The present invention is with three
Poly cyanamid is fire retardant, and the sound insulating pad blown polyurethane materials fire resistance of preparation is good, but can volatilize the materials such as a large amount of aldehydes,
Influence in-car air quality.
Therefore it is badly in need of a kind of environmental protection, sound insulation value is good, and safety coefficient is high, wall sound-isolation before the environmentally friendly vehicle of preparation process is simple
Pad polyurethane foam and preparation method thereof.
The content of the invention
The purpose of the present invention is directed to the deficiency of existing automobile front wall sound-isolation pad polyurethane material and preparation method, there is provided
A kind of environmental protection, sound insulation value is good, and safety coefficient is high, before the environmentally friendly vehicle of preparation process is simple wall sound-isolation pad polyurethane foam and
Its preparation method.
The invention provides following technical scheme：
A kind of wall sound-isolation pad polyurethane foam before environmentally friendly vehicle, material composition includes PPG A, PPG
B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the component ratio of each raw material is：
PPG A：40~60 parts；
PPG B：10~43 parts；
Crosslinking agent：1~3 part；
Pore-creating agent：2~6 parts；
Catalyst：2~3.3 parts；
Foaming agent：4~6 parts；
Aldehyde remover A：0.2~0.8 part；
Aldehyde remover B：0.5~2.0 part；
Isocyanates：40~80 parts；
The PPG A is polyoxypropyleneglycol；
The PPG B is flame-retardant polyether glycol；
The catalyst is amine and novel built catalyst.
Preferably, the PPG A be polyoxypropyleneglycol, initiator be propane diols or DPG, it is described
PPG B is flame-retardant polyether glycol, and initiator is THPC or POCl3, flame retardant type polyether polyols
Alcohol can improve the fire protecting performance of polyurethane foam, safe.
Preferably, the aldehyde remover A is nano titanium oxide, and the aldehyde remover B is ethylene urea, two types aldehyde remover
In the presence of can in many ways remove aldehyde, the volatile materials, good environmental protection such as aldehydes are reduced.
Preferably, the isocyanates is modified MDI.
The preparation method of wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and remove
The lysate of aldehyde agent B is put into reactor successively in proportion, and the temperature control of reactor is stirred in the range of 38~43 DEG C
It is well mixed each raw material, speed of agitator is set to 50~60rpm；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, after 5~10s of stirring, is fallen immediately
Enter in chunk, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
Preferably, the temperature of hot water is 60~70 DEG C in the step S1, and the temperature range is conducive to aldehyde remover A and except aldehyde
The quick dissolving of agent B, improve production efficiency.
Preferably, the mixing time of each raw materials of step S2 is 1.2~1.5 hours, and the mixing time can make
Each raw material is sufficiently mixed uniformly.
Preferably, the reaction solution and the mixing temperature of isocyanates being well mixed in the step S3 are maintained at 20~22 DEG C
In the range of.
The beneficial effects of the invention are as follows：
(1) wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle that the present invention is provided, the raw material proportioning can reduce volatility
The output of material, and aldehyde remover A and aldehyde remover B is added in raw material, can effectively absorb what is produced during manufacturing
The volatile materials such as aldehydes, benzene homologues, reach the examination criteria of VOC, and the feature of environmental protection and sound insulation value are good.
(2) wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle that the present invention is provided, more using flame retardant type polyethers in raw material
First alcohol, is not required to separately add fire retardant, improves the fire protecting performance of polyurethane foam, and safety coefficient is high.
(3) present invention provide environmentally friendly vehicle before wall sound-isolation pad polyurethane foam preparation method, simple production process,
Big mould foaming is adapted to, production efficiency is high.
Specific embodiment
Embodiment 1
A kind of wall sound-isolation pad polyurethane foam before environmentally friendly vehicle, material composition includes PPG A, PPG
B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the component ratio of each raw material is：
PPG A：40 parts, PPG A is specially polyoxypropyleneglycol, and initiator is propane diols；
PPG B：10 parts, PPG B is specially flame-retardant polyether glycol, and initiator is tetra methylol chlorine
Change phosphorus；
Crosslinking agent：2 parts；
Pore-creating agent：3 parts；
Catalyst：2 parts, catalyst is specially amine and novel built catalyst；
Foaming agent：4 parts；
Aldehyde remover A：0.3 part, aldehyde remover A is nano titanium oxide；
Aldehyde remover B：0.8 part, aldehyde remover B is ethylene urea；
Isocyanates：40 parts, isocyanates is modified MDI.
The preparation method of wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into 60 DEG C of hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and remove
The lysate of aldehyde agent B is put into reactor successively in proportion, and at 38 DEG C, stirring mixes each raw material to the temperature control of reactor
Uniformly, speed of agitator is set to 50rpm, and mixing time is 1.2 hours；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, mixing temperature is kept for 20 DEG C, is stirred
After mixing 5s, pour into chunk immediately, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
Embodiment 2
A kind of wall sound-isolation pad polyurethane foam before environmentally friendly vehicle, material composition includes PPG A, PPG
B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the component ratio of each raw material is：
PPG A：60 parts, PPG A is specially polyoxypropyleneglycol, and initiator is DPG；
PPG B：43 parts, PPG B is specially flame-retardant polyether glycol, and initiator is POCl3；
Crosslinking agent：3 parts；
Pore-creating agent：6 parts；
Catalyst：3.3 parts, catalyst is specially amine and novel built catalyst；
Foaming agent：6 parts；
Aldehyde remover A：0.8 part, aldehyde remover A is nano titanium oxide；
Aldehyde remover B：2 parts, aldehyde remover B is ethylene urea；
Isocyanates：80 parts, isocyanates is modified MDI.
The preparation method of wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into 70 DEG C of hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and remove
The lysate of aldehyde agent B is put into reactor successively in proportion, and at 43 DEG C, stirring mixes each raw material to the temperature control of reactor
Uniformly, speed of agitator is set to 60rpm, and mixing time is 1.5 hours；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, mixing temperature is kept for 22 DEG C, is stirred
After mixing 10s, pour into chunk immediately, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
Embodiment 3
A kind of wall sound-isolation pad polyurethane foam before environmentally friendly vehicle, material composition includes PPG A, PPG
B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the component ratio of each raw material is：
PPG A：50 parts, PPG A is specially polyoxypropyleneglycol, and initiator is DPG；
PPG B：30 parts, PPG B is specially flame-retardant polyether glycol, and initiator is tetra methylol chlorine
Change phosphorus；
Crosslinking agent：2 parts；
Pore-creating agent：4 parts；
Catalyst：3 parts, catalyst is specially amine and novel built catalyst；
Foaming agent：5 parts；
Aldehyde remover A：0.5 part, aldehyde remover A is nano titanium oxide；
Aldehyde remover B：1.0 parts, aldehyde remover B is ethylene urea；
Isocyanates：60 parts, isocyanates is modified MDI.
The preparation method of wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into 65 DEG C of hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and remove
The lysate of aldehyde agent B is put into reactor successively in proportion, and at 40 DEG C, stirring mixes each raw material to the temperature control of reactor
Uniformly, speed of agitator is set to 60rpm, and mixing time is 1.3 hours；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, mixing temperature is kept for 21 DEG C, is stirred
After mixing 8s, pour into chunk immediately, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
Embodiment 4
A kind of wall sound-isolation pad polyurethane foam before environmentally friendly vehicle, material composition includes PPG A, PPG
B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, the component ratio of each raw material is：
PPG A：55 parts, PPG A is specially polyoxypropyleneglycol, and initiator is propane diols；
PPG B：38 parts, PPG B is specially flame-retardant polyether glycol, and initiator is POCl3；
Crosslinking agent：2.5 parts；
Pore-creating agent：5 parts；
Catalyst：2.8 parts, catalyst is specially amine and novel built catalyst；
Foaming agent：5 parts；
Aldehyde remover A：0.5 part, aldehyde remover A is nano titanium oxide；
Aldehyde remover B：1.2 parts, aldehyde remover B is ethylene urea；
Isocyanates：50 parts, isocyanates is modified MDI.
The preparation method of wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into 65 DEG C of hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and remove
The lysate of aldehyde agent B is put into reactor successively in proportion, and at 42 DEG C, stirring mixes each raw material to the temperature control of reactor
Uniformly, speed of agitator is set to 55rpm, and mixing time is 1.4 hours；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, mixing temperature is kept for 20 DEG C, is stirred
After mixing 10s, pour into chunk immediately, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
Table 1 is the properties of product detection data table of embodiment 1~4.
Table 1
From the every properties of product data of table 1, wall sound-isolation pad is used before environmentally friendly vehicle prepared by the embodiment of the present invention 1~4
The polyurethane foam feature of environmental protection is strong, and sound insulation value is good, and good flame resistance, safety coefficient is high.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality
Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic.It is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle, it is characterised in that material composition include PPG A,
PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A, aldehyde remover B and isocyanates, each raw material
Component ratio be：
PPG A：40~60 parts；
PPG B：10~43 parts；
Crosslinking agent：1~3 part；
Pore-creating agent：2~6 parts；
Catalyst：2~3.3 parts；
Foaming agent：4~6 parts；
Aldehyde remover A：0.2~0.8 part；
Aldehyde remover B：0.5~2.0 part；
Isocyanates：40~80 parts；
The PPG A is polyoxypropyleneglycol；
The PPG B is flame-retardant polyether glycol；
The catalyst is amine and novel built catalyst.
2. wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle according to claim 1, it is characterised in that described poly-
Ethoxylated polyhydric alcohol A is polyoxypropyleneglycol, and initiator is propane diols or DPG, and the PPG B is poly- for flame retardant type
Ethoxylated polyhydric alcohol, initiator is THPC or POCl3.
3. wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle according to claim 1, it is characterised in that described to remove
Aldehyde agent A is nano titanium oxide, and the aldehyde remover B is ethylene urea.
4. wall sound-isolation pad polyurethane foam before a kind of environmentally friendly vehicle according to claim 1, it is characterised in that described different
Cyanate is modified MDI.
5. before a kind of environmentally friendly vehicle as claimed in claim 1 wall sound-isolation pad polyurethane foam preparation method, its feature exists
In, including following preparation process：
S1：Dissolving is complete during aldehyde remover A and aldehyde remover B are proportionally added into hot water；
S2：By PPG A, PPG B, crosslinking agent, pore-creating agent, catalyst, foaming agent, aldehyde remover A and aldehyde remover B
Lysate put into reactor successively in proportion, in the range of 38~43 DEG C, stirring makes each the temperature control of reactor
Raw material is well mixed, and speed of agitator is set to 50~60rpm；
S3：The reaction solution and isocyanates that are well mixed in step S2 are mixed in proportion, after 5~10s of stirring, is poured into immediately spacious
In mouth mold tool, make its free foaming；
S4：Wall sound-isolation pad polyurethane foam before the environmentally friendly vehicle of mold shape is obtained after curing.
6. before a kind of environmentally friendly vehicle according to claim 5 wall sound-isolation pad polyurethane foam preparation method, its feature
It is that the temperature of hot water is 60~70 DEG C in the step S1.
7. before a kind of environmentally friendly vehicle according to claim 5 wall sound-isolation pad polyurethane foam preparation method, its feature
It is that the mixing time of each raw materials of step S2 is 1.2~1.5 hours.
8. before a kind of environmentally friendly vehicle according to claim 5 wall sound-isolation pad polyurethane foam preparation method, its feature
It is that the reaction solution and the mixing temperature of isocyanates being well mixed in the step S3 are maintained in the range of 20~22 DEG C.
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| CN107522855A (en) * | 2017-09-05 | 2017-12-29 | 句容宁武新材料股份有限公司 | The method that polyether polyol odor is reduced by trapping agent and catalysis oxidation collaboration |
| CN110467808A (en) * | 2018-05-11 | 2019-11-19 | 襄阳亚克化学有限公司 | For polyurethane foam except aldehyde fire retardant and preparation method thereof |
| CN114560986A (en) * | 2021-12-31 | 2022-05-31 | 江苏康贝新材料有限公司 | Low-volatility foaming agent for sound insulation pad of automotive carpet and preparation method thereof |
| WO2022136132A1 (en) * | 2020-12-23 | 2022-06-30 | Basf Se | New catalyst for producing polyurethanes |
| CN114989596A (en) * | 2022-06-21 | 2022-09-02 | 佛山市三水日邦化工有限公司 | Antibacterial polyurethane film and preparation method thereof |
| CN115139584A (en) * | 2022-06-21 | 2022-10-04 | 一汽奔腾轿车有限公司 | Environment-friendly type strong sound insulation carpet and manufacturing method thereof |
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Application publication date: 20170613 |