CN107759767A - A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing - Google Patents

A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing Download PDF

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Publication number
CN107759767A
CN107759767A CN201710997408.4A CN201710997408A CN107759767A CN 107759767 A CN107759767 A CN 107759767A CN 201710997408 A CN201710997408 A CN 201710997408A CN 107759767 A CN107759767 A CN 107759767A
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parts
polyurethane foam
foam composition
automotive trim
ppg
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CN201710997408.4A
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董志方
王冲
刘健
李光福
王启
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Yantai Zheng Hai He Tai Science And Technology Co Ltd
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Yantai Zheng Hai He Tai Science And Technology Co Ltd
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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
    • C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
    • 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
    • C08G18/40—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
    • C08G18/70—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
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • 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
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • 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
    • 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
    • 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

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  • 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

The invention discloses a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing, it is characterized in, A material are made up of the raw material of following weight proportioning：10 30 parts of PEPA, 70 90 parts of PPG, 0.5 3 parts of silicone oil of mixing, catalyst compounded 0.1 0.5 parts, 5 12 parts of foaming agent, are made A material by evenly mixing；B material are made up of the raw material with following weight proportions：B material are made through reaction in 48 hours at a temperature of 30 80 DEG C in 70 90 parts of poly methylene poly phenyl poly isocyanate, 5 15 parts of PPG, 5 15 parts of toluene di-isocyanate(TDI), above-mentioned raw materials；A is expected, B is expected according to 100:Polyurethane bulla block is made in 130 200 progress mixed foamings, is cut into slices according to 5 50mm thickness, obtained polyurethane foam slabs, has excellent sound absorption qualities.

Description

A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing
Technical field：
The present invention relates to polyurethane foam production technical field, specifically a kind of poly- ammonia dedicated for automotive trim sound-absorbing Ester foam composition material；It is applicable but is not limited to automotive interior roof, sound insulating pad etc..
Background technology
With the improvement of living standards with the progress of production technology, automobile has been not only a kind of walking-replacing tool, major Automobile factory takes various measures to improve the comfortableness of driver and crew, and the sound-absorbing sound insulation value of automobile is increasingly to attract attention One side.The wind that car noise is mainly derived from when running at high speed is made an uproar, the friction on tire and ground, engine noise etc..
One of automotive interior roof part maximum as passenger car interior surface area, belongs to important sound-absorbing sound proof part Part, the sound-absorbing of automotive interior roof rely primarily on the polyurethane foam board of inside；Important sources of the engine noise as noise, Engine sound-absorbing problem is directed at present, has added one layer of sound-absorbing material in the surrounding of enging cabin, mainly uses mineral wool, useless Felt etc. is spun, because the needs of lightweight, environmental protection etc., polyurethane foam board has also stepped into this field, but existing PU plates are extremely difficult to sound-absorbing and the sound insulation of perfect condition in the opening of foam, processing characteristics etc. Shortcomings.
Automotive interior roof, engine blimp etc. typically use PU cystosepiment（Hereinafter referred to as PU plates）As skeleton material Material.It is conventional to be reacted using A material and B material, polyurethane foamed blocks are produced, are then cut into the PU plates of sheet, then for producing automobile Inner decorative ceiling and engine blimp etc..
Compared with other framework materials, PU plates are because its porous etc. belongs to the preferable material of sound absorption qualities, but in mesh Under preceding sound-absorbing, the higher and higher situation of sound isolation requirement, existing PU plates sound absorption qualities are simultaneously unsatisfactory.
The content of the invention：
The purpose of the present invention is to overcome the shortcomings of above-mentioned prior art, and provides a kind of poly- ammonia dedicated for automotive trim sound-absorbing Ester foam composition material, it is insufficient mainly to solve the problems, such as that PU foams have processing forming and sound-absorbing sound insulation etc..
The technical scheme is that：A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing, its is special Part is that A material are made up of the raw material of following weight proportioning：PEPA 10-30 parts, PPG 70-90 parts, mixing Silicone oil 0.5-3 parts, catalyst compounded 0.1-0.5 parts, foaming agent 5-12 parts, A material are made by evenly mixing；B is expected by with following heavy The raw material of amount proportioning is made：Poly methylene poly phenyl poly isocyanate 70-90 parts, PPG 5-15 parts, toluene diisocyanate Acid esters 5-15 parts, above-mentioned raw materials react at a temperature of 30-80 DEG C through 4-8 hours is made B material.
Further, described A material are made after being well mixed by the raw material of following weight proportioning, 20 parts of PEPA, 80 parts of PPG, 2 parts of silicone oil of mixing, catalyst compounded 0.3 part, 7 parts of foaming agent,；Described B material are matched by following weight Raw material it is reacted be made, 75 parts of poly methylene poly phenyl poly isocyanate, 15 parts of PPG, toluene di-isocyanate(TDI) 10 Part.
Further, PEPA is in XCPA-320, XCPA-322, XCPA-110, XCPA-195 in described A material 1-2 kinds mixing.
Further, in described A material PPG be 4701,6001, DL-400, TMN-450, ethylene glycol, the third three The mixing of 3-5 kinds in alcohol.
Further, it is the mixed of the 1-2 kinds in H-5565, AK-8805, B8681,8870 silicone oil to be mixed in described A material Close.
Further, it is catalyst compounded in DABCO 8154, DABCO BDMA, A-107, AN-260 in described A material 2-3 kinds mixing.
Further, foaming agent is water in described A material.
Further, poly methylene poly phenyl poly isocyanate is the 1-2 kinds in PM200, M20S in described B material Mixing.
Further, PPG is the 1-2 kinds in diglycol, butanediol, 210,220 in described B material Mixing.
Further, the toluene di-isocyanate(TDI) in described B material is the mixing of the 1-2 kinds in TDI-80, TDI-100.
A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing of the present invention, compared with the prior art With prominent substantive distinguishing features and marked improvement, adjusted, to modes such as the B modifications expected, carried by the selection expected A and proportioning The opening of high PU foams, percent opening reach more than 95%；The shortcomings that overcoming existing PU foam cell structures complicated and changeable, will steep Pore structure is uniformly adjusted to approach the structure of circle, on the one hand adds the frequency of sound attenuating, on the other hand enhances PU bubbles The toughness of foam.
Embodiment：
For a better understanding and implementation, describe the present invention in detail with reference to embodiment；Illustrated embodiment is only used for explaining this Invention, is not intended to limit the scope of the present invention.
Embodiment 1, the Kg of PEPA XCPA-320 20, PPG 4701, DL-400, second two are weighed exactly Alcohol, glycerine 80Kg, mixing silicone oil H-5565, AK-8805 2 Kg, catalyst compounded DABCO 8154, DABCO BDMA 0.3Kg, foaming agent water 7Kg, the well mixed A that is made of above-mentioned raw materials is expected；Accurately weigh PM200 75Kg, PPG fourth Glycol, the Kg of 210 15Kg, TDI-80 10, react 6h at 55 DEG C, and B material are made.
Embodiment 2, the Kg of PEPA XCPA-320 15, PPG 4701, DL-400, second two are weighed exactly Alcohol, glycerine 85Kg, mixing silicone oil H-5565, AK-8805 2.5 Kg, catalyst compounded DABCO 8154, DABCO BDMA 0.5Kg, foaming agent water 5Kg, the well mixed A that is made of above-mentioned raw materials is expected；Accurately weigh PM200 80Kg, PPG fourth Glycol, the Kg of 210 15Kg, TDI-80 5, react 8h at 30 DEG C, and B material are made.
Embodiment 3, weighs the Kg of PEPA XCPA-322, XCPA-110 30 exactly, PPG 4701, DL-400, glycerine 70Kg, mixing silicone oil H-5565, B8681,8,870 0.5 Kg, catalyst compounded DABCO BDMA, A-107 0.2Kg, foaming agent water 7Kg, the well mixed A that is made of above-mentioned raw materials is expected；PM200, M20S 70Kg accurately are weighed, polyethers is more First Kg of alcohol 210 15Kg, TDI-80, TDI-100 15, reacts 4h at 80 DEG C, and B material are made.
Embodiment 4, the Kg of PEPA XCPA-322 10, PPG 4701,6001, DL- are weighed exactly 400th, TMN-450, ethylene glycol 90Kg, silicone oil 8,870 3 Kg, catalyst compounded A-107, AN-260 0.1Kg, foaming agent are mixed Water 12Kg, the well mixed A that is made of above-mentioned raw materials is expected；Accurately weigh M20S 77Kg, PPG diglycol The Kg of 12Kg, TDI-100 11, reacts 6h at 60 DEG C, and B material are made.
Embodiment 5, weighs the Kg of PEPA XCPA-320, XCPA-195 22 exactly, PPG 4701, TMN-450, ethylene glycol 78Kg, mixing silicone oil AK-8805, B8681 2.7 Kg, catalyst compounded DABCO BDMA, A-107, AN-260 0.17Kg, foaming agent water 9Kg, the well mixed A that is made of above-mentioned raw materials is expected；Accurately weigh PM200 90Kg, polyethers The kG of polyalcohol diglycol 5Kg, TDI-100 5, reacts 6h at 50 DEG C, and B material are made.
Embodiment 6, the Kg of PEPA XCPA-195 12, PPG 4701, TMN-450, third are weighed exactly Glycol 88Kg, mixing silicone oil AK-8805 2.2 Kg, catalyst compounded DABCO BDMA, AN-260 0.45Kg, foaming agent water 6.5Kg, the well mixed A that is made of above-mentioned raw materials is expected；Accurately weigh PM200 79Kg, PPG diglycol 13Kg, TDI-100 8kG, 5h is reacted at 70 DEG C, B material are made.
The A material, B of above-described embodiment are expected according to 100:130-200 is mixed, and polyurethane bulla block is made in foaming, presses Cut into slices according to 5-50mm thickness, obtained polyurethane foam slabs have excellent sound absorption qualities.
Combination A material and B material obtained by above-described embodiment 6, according to 100:165 are mixed, polyurethane made of foaming Foam board, sound absorption qualities are significantly improved.Compared with traditional PU plates, sound-absorbing is tested in 1500Hz by 40% with standing wave method Bring up to more than 50% below, after making ceiling, with standing wave method test sound-absorbing in 1500Hz by brought up to less than 45% 60% with On.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention.It is all the present invention spirit and Any modification, equivalent substitution and improvements done within principle etc., should be included in the scope of the protection.

Claims (10)

1. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing, it is characterised in that A material are matched by following weight Raw material be made：PEPA 10-30 parts, PPG 70-90 parts, mixing silicone oil 0.5-3 parts, catalyst compounded 0.1- 0.5 part, foaming agent 5-12 parts, A material are made by evenly mixing；B material are made up of the raw material with following weight proportions：Polymethylene is more Polyphenyl polyisocyanate 70-90 parts, PPG 5-15 parts, toluene di-isocyanate(TDI) 5-15 parts, above-mentioned raw materials are at 30-80 DEG C At a temperature of reacted through 4-8 hours be made B material.
2. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1, its feature exist In, described A material are made after being well mixed by the raw material of following weight proportioning, 20 parts of PEPA, 80 parts of PPG, 2 parts of silicone oil of mixing, catalyst compounded 0.3 part, 7 parts of foaming agent,；The reacted system of raw material that described B material are matched by following weight Into, 75 parts of poly methylene poly phenyl poly isocyanate, 15 parts of PPG, 10 parts of toluene di-isocyanate(TDI).
3. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature It is, PEPA is the mixed of the 1-2 kinds in XCPA-320, XCPA-322, XCPA-110, XCPA-195 in described A material Close.
4. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature Be, in described A material PPG be 4701,6001, DL-400, TMN-450, ethylene glycol, 3-5 kinds is mixed in glycerine Close.
5. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature It is, the mixing that silicone oil is the 1-2 kinds in H-5565, AK-8805, B8681,8870 is mixed in described A material.
6. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature Be, in described A material it is catalyst compounded for DABCO 8154, DABCO BDMA, 2-3 kinds in A-107, AN-260 it is mixed Close.
7. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature It is, foaming agent is water in described A material.
8. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature It is, poly methylene poly phenyl poly isocyanate is the mixing of the 1-2 kinds in PM200, M20S in described B material.
9. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, its feature It is, PPG is the 1-2 kinds mixing in diglycol, butanediol, 210,220 in described B material.
10. a kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing according to claim 1 or 2, it is special Sign is that the toluene di-isocyanate(TDI) in described B material is the mixing of the 1-2 kinds in TDI-80, TDI-100.
CN201710997408.4A 2017-10-24 2017-10-24 A kind of polyurethane foam composition material dedicated for automotive trim sound-absorbing Pending CN107759767A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627418A (en) * 2018-12-06 2019-04-16 上海应用技术大学 A kind of preparation method of high sound absorption properties polyurethane automobile carpet
CN109776750A (en) * 2019-01-15 2019-05-21 烟台正海合泰科技股份有限公司 A kind of dedicated sound-absorbing polyurethane foam board of dry method ceiling
CN109776751A (en) * 2019-01-15 2019-05-21 烟台正海合泰科技股份有限公司 A kind of dedicated low-density lightweight PU plate of automobile engine nacelle and its production technology
CN109796570A (en) * 2019-01-15 2019-05-24 烟台正海合泰科技股份有限公司 A kind of dedicated high-elongation polyurethane semihard foam plate of ceiling with wet method
CN110627982A (en) * 2019-10-22 2019-12-31 贵州华云汽车饰件制造有限公司 Polyurethane foaming forming process for automotive interior parts

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061080A (en) * 2010-09-10 2011-05-18 山东东大一诺威聚氨酯有限公司 Polyurethane compoiste for indoor decoration flexible packaging and preparation method thereof
CN104327231A (en) * 2014-11-11 2015-02-04 烟台正海汽车内饰件有限公司 PU plate for car roof and production method of PU plate
US20160002495A1 (en) * 2014-07-07 2016-01-07 Daehan Solution Co., Ltd Polyurethane sound-insulating composition and method of manufacturing sound-absorbing and insulating material for vehicles using the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102061080A (en) * 2010-09-10 2011-05-18 山东东大一诺威聚氨酯有限公司 Polyurethane compoiste for indoor decoration flexible packaging and preparation method thereof
US20160002495A1 (en) * 2014-07-07 2016-01-07 Daehan Solution Co., Ltd Polyurethane sound-insulating composition and method of manufacturing sound-absorbing and insulating material for vehicles using the same
CN104327231A (en) * 2014-11-11 2015-02-04 烟台正海汽车内饰件有限公司 PU plate for car roof and production method of PU plate

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109627418A (en) * 2018-12-06 2019-04-16 上海应用技术大学 A kind of preparation method of high sound absorption properties polyurethane automobile carpet
CN109776750A (en) * 2019-01-15 2019-05-21 烟台正海合泰科技股份有限公司 A kind of dedicated sound-absorbing polyurethane foam board of dry method ceiling
CN109776751A (en) * 2019-01-15 2019-05-21 烟台正海合泰科技股份有限公司 A kind of dedicated low-density lightweight PU plate of automobile engine nacelle and its production technology
CN109796570A (en) * 2019-01-15 2019-05-24 烟台正海合泰科技股份有限公司 A kind of dedicated high-elongation polyurethane semihard foam plate of ceiling with wet method
CN110627982A (en) * 2019-10-22 2019-12-31 贵州华云汽车饰件制造有限公司 Polyurethane foaming forming process for automotive interior parts

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Application publication date: 20180306