CN106397731A - Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof - Google Patents
Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof Download PDFInfo
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- CN106397731A CN106397731A CN201610842508.5A CN201610842508A CN106397731A CN 106397731 A CN106397731 A CN 106397731A CN 201610842508 A CN201610842508 A CN 201610842508A CN 106397731 A CN106397731 A CN 106397731A
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- Prior art keywords
- polyether polyol
- sponge
- sound
- sound insulation
- parts
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Classifications
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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
- C08G18/7614—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
- C08G18/28—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
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
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 relates to automobile sponge with high-efficiency sound insulation and sound absorption; the automobile sponge includes the materials by weight: 0-50 parts of polyether polyol A, 0-50 parts of polyether polyol B, 0-50 parts of polyether polyol C, 0-30 parts of polyethylene glycol, 0-0.5 part of a catalyst, 0-2 parts of silicone oil, 0-10 parts of a foaming agent and 120-150 parts of isocyanate. The polyether polyol mixture is used as a main raw material for synthesis of foams, the pore opening rate can reach 99% or more, and the sponge has quite good effects in sound absorption and sound insulation; although the foams prepared by the polyether polyol mixture have the advantages, the foams have large brittleness and have a certain limitation in practical application; and by adding a certain amount of polyvinyl alcohol and polyethylene glycol in the formula system, the toughness of the foams can be well improved.
Description
Technical field
The present invention relates to sponge technical field, specially a kind of efficient sound insulation, sound-absorbing automobile sponge and processing technology.
Background technology
Sponge, is a kind of porous material, has good water absorption, can be used in clean article.The sponge that people commonly use
It is made up of wood cellulose fibers or foamed plastic polymer.In addition, also there being the natural sponge being made up of spongia, most a couple of days
So sponge is used for clean body or drawing.In addition, the synthetic sponge that also three class other materials are made, respectively low-density polyethers
(not water-absorbing sponge), polyvinyl alcohol (high-absorbent material, no obvious pore) and polyester.
Roof of the vehicle interior trim is the key position of inner space of vehicle, has higher requirement to heat-insulated and sound insulation, sound-absorbing.
Domestic at present produced product has certain sound insulation and sound-absorbing effect, but effect is not ideal.
Content of the invention
It is an object of the invention to provide a kind of efficient sound insulation, sound-absorbing automobile sponge and processing technology, it can be effective
Solve problem present in background technology.
For achieving the above object, the present invention provides following technical scheme：One kind has efficient sound insulation, sound-absorbing automobile sea
Silk floss, including polyether polyol A；Polyether polyol B；Polyether polyol C；Polyethylene Glycol；Catalyst；Silicone oil；Foaming agent and isocyanide
Acid esters；The weight ratio of described material is：Polyether polyol A:0-50 part, polyether polyol B:0-50 part, polyether polyol C:0-
50 parts, Polyethylene Glycol 0-30 part, catalyst 0-0.5 part, silicone oil 0-2 part, foaming agent 0-10 part, isocyanates 120-150 part.
A kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material claims
Take：Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；Wherein：
In step one, polyether polyol A；Polyether polyol B；Polyether polyol C；Polyethylene Glycol；Catalyst；Silicone oil；
Foaming agent and isocyanates are weighed according to above-mentioned weight ratio；
In step 2, the material in step one is sufficiently mixed, is obtained mixture；
In step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
In step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
Further, described polyether polyol A is the polyhydric alcohol of hydroxyl value 56mgKOH/g.
Further, described polyether polyol B is the polyhydric alcohol of hydroxyl value 420mgKOH/g.
Further, described polyether polyol C is the polyhydric alcohol of hydroxyl value 35mgKOH/g.
Further, described catalyst is amine and tin catalyst.
Further, described foaming agent is water.
Further, described isocyanates are the mixture of toluene di-isocyanate(TDI) and polyphenyl polyisocyanate.
Compared with prior art, the invention has the beneficial effects as follows：The present invention is by being used as using polyether polyol mixtures
The main raw material(s) of synthetic foam, its percent opening can reach more than 99%, and in sound-absorbing, sound insulation aspect has very good effect
Really；Although above advantage is had by the foam that polyether polyol mixtures are made, there is fragility greatly, exist in actual applications
Certain limitation；By adding a certain amount of polyvinyl alcohol and Polyethylene Glycol in formula system, foam can be improved well
Toughness.
Brief description
Fig. 1 is the process chart of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
One kind has efficient sound insulation, sound-absorbing automobile with sponge, including polyether polyol A；Polyether polyol B；Polyether polyols
Alcohol C；Polyethylene Glycol；Catalyst；Silicone oil；Foaming agent and isocyanates；The weight ratio of described material is：Polyether polyol A:0-50
Part, polyether polyol B:0-50 part, polyether polyol C:0-50 part, Polyethylene Glycol 0-30 part, catalyst 0-0.5 part, silicone oil 0-2
Part, foaming agent 0-10 part, isocyanates 120-150 part.
Further, described polyether polyol A is the polyhydric alcohol of hydroxyl value 56mgKOH/g.
Further, described polyether polyol B is the polyhydric alcohol of hydroxyl value 420mgKOH/g.
Further, described polyether polyol C is the polyhydric alcohol of hydroxyl value 35mgKOH/g.
Further, catalyst is amine and tin catalyst.
Further, described foaming agent is water.
Further, described isocyanates are the mixture of toluene di-isocyanate(TDI) and polyphenyl polyisocyanate.
Embodiment one：
A kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material claims
Take：Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；Wherein：
In step one, weigh polyether polyol A：20 parts；Polyether polyol B：55 parts；Polyether polyol C：25 parts；Poly-
Ethylene glycol：10 parts；Catalyst：0.36 part；Silicone oil：1.1 part；Foaming agent：8 parts；Isocyanates：135 parts；
In step 2, the material in step one is sufficiently mixed, is obtained mixture；
In step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
In step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
Embodiment two：
A kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material claims
Take：Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；Wherein：
In step one, weigh polyether polyol A：45 parts；Polyether polyol B：36 parts；Polyether polyol C：28 parts；Poly-
Ethylene glycol：19 parts；Catalyst：0.4 part；Silicone oil：1.6 part；Foaming agent：9 parts；Isocyanates：140 parts；
In step 2, the material in step one is sufficiently mixed, is obtained mixture；
In step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
In step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
Embodiment three：
A kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material claims
Take：Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；Wherein：
In step one, weigh polyether polyol A：13 parts；Polyether polyol B：34 parts；Polyether polyol C：25 parts；Poly-
Ethylene glycol：27 parts；Catalyst：0.2 part；Silicone oil：1.8 part；Foaming agent：4 parts；Isocyanates：139 parts；
In step 2, the material in step one is sufficiently mixed, is obtained mixture；
In step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
In step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
Example IV：
A kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material claims
Take：Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；Wherein：
In step one, weigh polyether polyol A：31 parts；Polyether polyol B：48 parts；Polyether polyol C：17 parts；Poly-
Ethylene glycol：14 parts；Catalyst：0.4 part；Silicone oil：1.5 part；Foaming agent：7.5 part；Isocyanates：124 parts；
In step 2, the material in step one is sufficiently mixed, is obtained mixture；
In step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
In step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. one kind has efficient sound insulation, sound-absorbing automobile with sponge, including polyether polyol A；Polyether polyol B；Polyether polyol
C；Polyethylene Glycol；Catalyst；Silicone oil；Foaming agent and isocyanates；It is characterized in that：The weight ratio of described material is：Polyethers is many
First alcohol A:0-50 part, polyether polyol B:0-50 part, polyether polyol C:0-50 part, Polyethylene Glycol 0-30 part, catalyst 0-0.5
Part, silicone oil 0-2 part, foaming agent 0-10 part, isocyanates 120-150 part.
2. a kind of there is efficient sound insulation, sound-absorbing automobile is comprised the following steps with the processing technology of sponge：Step one, material weighs：
Step 2, material mixing：Step 3, chain increases, foams, crosslinking：Step 4, curing molding；It is characterized in that：
S1. in step one, polyether polyol A；Polyether polyol B；Polyether polyol C；Polyethylene Glycol；Catalyst；Silicone oil；Send out
Infusion and isocyanates are weighed according to above-mentioned weight ratio；
S2., in step 2, the material in step one is sufficiently mixed, is obtained mixture；
S3. in step 3, the mixture in step 2 is placed in foaming groove, heats 90-100 DEG C, carry out chain growth, send out
Bubble, crosslinked, the mixture after being foamed；
S4., in step 4, the mixture after foaming is put into solidification in mould, obtain finished product in step 3.
3. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described polyethers
Polyhydric alcohol A is the polyhydric alcohol of hydroxyl value 56mgKOH/g.
4. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described polyethers
Polyhydric alcohol B is the polyhydric alcohol of hydroxyl value 420mgKOH/g.
5. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described polyethers
Polyhydric alcohol C is the polyhydric alcohol of hydroxyl value 35mgKOH/g.
6. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described catalysis
Agent is amine and tin catalyst.
7. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described foaming
Agent is water.
8. one kind according to claim 1 have efficient sound insulation, sound-absorbing automobile with sponge it is characterised in that：Described isocyanide
Acid esters is the mixture of toluene di-isocyanate(TDI) and polyphenyl polyisocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842508.5A CN106397731A (en) | 2016-09-22 | 2016-09-22 | Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610842508.5A CN106397731A (en) | 2016-09-22 | 2016-09-22 | Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106397731A true CN106397731A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610842508.5A Pending CN106397731A (en) | 2016-09-22 | 2016-09-22 | Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof |
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| CN (1) | CN106397731A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530839A (en) * | 2018-04-23 | 2018-09-14 | 苏州普诺兹电子有限公司 | Environment friendly foam cotton material with heat-conductive characteristic and preparation method thereof |
| CN109910384A (en) * | 2019-04-22 | 2019-06-21 | 东莞方德泡绵制品厂有限公司 | A kind of sound insulation foam and preparation method thereof |
| CN110423331A (en) * | 2019-08-05 | 2019-11-08 | 中电保力（北京）科技有限公司 | A kind of water-swellable flexible flame retardant foamed plastics and preparation method thereof |
| CN110875030A (en) * | 2018-08-31 | 2020-03-10 | 比亚迪股份有限公司 | Sound absorber, preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336885A (en) * | 2011-07-02 | 2012-02-01 | 胡志刚 | Polyurethane sponge with excellent environmental tolerance |
| CN102391457A (en) * | 2011-07-28 | 2012-03-28 | 胡志刚 | Polyurethane memory foam with superior anti-yellowing performance |
| CN105254833A (en) * | 2015-11-13 | 2016-01-20 | 淄博正大聚氨酯有限公司 | Polyurethane super soft sponge and preparation method thereof |
-
2016
- 2016-09-22 CN CN201610842508.5A patent/CN106397731A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336885A (en) * | 2011-07-02 | 2012-02-01 | 胡志刚 | Polyurethane sponge with excellent environmental tolerance |
| CN102391457A (en) * | 2011-07-28 | 2012-03-28 | 胡志刚 | Polyurethane memory foam with superior anti-yellowing performance |
| CN105254833A (en) * | 2015-11-13 | 2016-01-20 | 淄博正大聚氨酯有限公司 | Polyurethane super soft sponge and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530839A (en) * | 2018-04-23 | 2018-09-14 | 苏州普诺兹电子有限公司 | Environment friendly foam cotton material with heat-conductive characteristic and preparation method thereof |
| CN110875030A (en) * | 2018-08-31 | 2020-03-10 | 比亚迪股份有限公司 | Sound absorber, preparation method and application thereof |
| CN109910384A (en) * | 2019-04-22 | 2019-06-21 | 东莞方德泡绵制品厂有限公司 | A kind of sound insulation foam and preparation method thereof |
| CN110423331A (en) * | 2019-08-05 | 2019-11-08 | 中电保力（北京）科技有限公司 | A kind of water-swellable flexible flame retardant foamed plastics and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170215 |