CN103509170A - Novel transparent sound absorption film material and preparation process thereof - Google Patents
Novel transparent sound absorption film material and preparation process thereof Download PDFInfo
- Publication number
- CN103509170A CN103509170A CN201210218274.9A CN201210218274A CN103509170A CN 103509170 A CN103509170 A CN 103509170A CN 201210218274 A CN201210218274 A CN 201210218274A CN 103509170 A CN103509170 A CN 103509170A
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- CN
- China
- Prior art keywords
- polyoxypropylene polyol
- preparation technology
- novel transparent
- membrane material
- material according
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 title abstract description 4
- 229920005862 polyol Polymers 0.000 claims abstract description 36
- 150000003077 polyols Chemical class 0.000 claims abstract description 36
- 229920001451 polypropylene glycol Polymers 0.000 claims abstract description 36
- -1 polyoxypropylene Polymers 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000012948 isocyanate Substances 0.000 claims abstract description 5
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 5
- 150000002148 esters Chemical class 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 238000010792 warming Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 15
- 238000004581 coalescence Methods 0.000 claims description 12
- 239000004970 Chain extender Substances 0.000 claims description 8
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 claims description 8
- 239000013530 defoamer Substances 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000001273 butane Substances 0.000 claims description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims description 4
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- IDQBJILTOGBZCR-UHFFFAOYSA-N 1-butoxypropan-1-ol Chemical compound CCCCOC(O)CC IDQBJILTOGBZCR-UHFFFAOYSA-N 0.000 claims description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—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
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
-
- 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
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 discloses a novel transparent sound absorption film material and a preparation process thereof. The material consists of polyoxypropylene polyol, isocyanate, a modifying agent and a film-forming auxiliary which have different molecular weights. A formula of the material comprises the following components in parts by mass: 40 to 60 parts of polyoxypropylene polyol, 20 to 40 parts of isocyanate, 1 to 5 parts of film-forming auxiliary, 1 to 5 parts of modifying agent and 0.1 to 0.5 part of catalyst. According to the material and the preparation process, a unique formula is adopted, noise of 30 to 500Hz can be effectively treated, the material is high in transparency, environment-friendly and flavorless, and environmental pollution is avoided.
Description
Technical field
The present invention relates to absorptive membrane field, especially a kind of novel transparent absorptive membrane material and preparation technology thereof.
Background technology
On market, existing sound absorbent material is poor at low-frequency range sound-absorbing effect, especially, in the noise situation below 125Hz, substantially there is no what effect, and traditional absorptive membrane light transmission when thickness 0.8-3mm is bad, has stronger irritating smell.
Summary of the invention
In order to overcome the defect that existing absorptive membrane sound-absorbing effect is poor and light transmission is bad, the invention provides a kind of novel transparent absorptive membrane material and preparation technology thereof.It adopts unique formula, can not only effectively process the noise of 30-500Hz, also has remarkable light transmission, and environment-friendly tasteless, can not cause environmental pollution.
The technical solution adopted for the present invention to solve the technical problems is: this material is comprised of polyoxypropylene polyol, isocyanic ester, properties-correcting agent, the film coalescence aid of different molecular weight.Wherein polyoxypropylene polyol molecular weight one or several copolymerization in 300-2000; Isocyanic ester is one or more in tolylene diisocyanate, diphenylmethanediisocyanate, 1.6-hexamethylene diisocyanate; Properties-correcting agent is one or more in 1.4-dihydroxyl butane, 1.3-dihydroxyl butane, 1.2-dihydroxyl Trimethylmethane, TriMethylolPropane(TMP); Film coalescence aid is one or more in 1.4-butyleneglycol, propandiol butyl ether, 1-Methoxy-2-propyl acetate, ethylene glycol.
Its combination formula is selected as follows according to quality proportioning:
Polyoxypropylene polyol: 40-60 part; Isocyanic ester: 20-40 part; Film coalescence aid: 1-5 part; Properties-correcting agent: 1-5 part; Catalyzer: 0.1-0.5 part.
Its preparation technique and step are as follows:
Polyoxypropylene polyol dehydration: add a certain amount of polyoxypropylene polyol in there-necked flask, be warming up to 100-120 ℃, the 2-3h that dewaters under vacuum, is cooled to 40-50 ℃.
Polyoxypropylene polyol and isocyanate reaction: by measuring than polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60-65 ℃, and vacuumize de-bubble, be slowly warming up to (80 ± 2) ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.
Elastomerics preparation: performed polymer is heated to 70-90 ℃, adds the chainextender of metering, attenuant trieline, and defoamer, stir is rapidly poured into a mould after reaction evenly under vacuum.
Best in quality proportioning of the present invention and preparation technique thereof and step are: 55 parts of polyoxypropylene polyols; 32 parts of isocyanic ester; 2 parts of film coalescence aid; 3 parts of properties-correcting agent; 0.25 part of catalyzer.In there-necked flask, add polyoxypropylene polyol, be warming up to 112-117 ℃, the 3h that dewaters under vacuum, is cooled to 45-48 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60-65 ℃, and vacuumize de-bubble, be slowly warming up to 80 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Again performed polymer is heated to 76-80 ℃, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
The invention has the beneficial effects as follows: adopt unique formula effectively to process the noise of 30-500Hz, within the scope of 30-500Hz, average sound absorption coefficient is greater than 0.6, and maximum sound absorption coefficient reaches 0.93; There is low-frequency sound-absorbing ability, remarkable light transmission, its light transmission reaches 89%-94%; Material is light and thin, its thickness 0.8-3mm; And environment-protective no-smell, pollution-free, easy to use.
Embodiment
Embodiment mono-
Its combination formula is selected as 42 parts of polyoxypropylene polyols according to quality proportioning; 31 parts of isocyanic ester; 2 parts of film coalescence aid; 4 parts of properties-correcting agent; 0.34 part of catalyzer.
In there-necked flask, add polyoxypropylene polyol, be warming up to 120 ℃, the 2.5h that dewaters under vacuum, is cooled to 40～50 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 62 ℃, and vacuumize de-bubble, be slowly warming up to 80 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Performed polymer is heated to 75 ℃ again, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
Embodiment bis-
Its combination formula is selected as 47 parts of polyoxypropylene polyols according to quality proportioning; 22 parts of isocyanic ester; 5 parts of film coalescence aid; 2 parts of properties-correcting agent; 0.16 part of catalyzer.
In there-necked flask, add polyoxypropylene polyol, be warming up to 115 ℃, the 2h that dewaters under vacuum, is cooled to 43 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 65 ℃, and vacuumize de-bubble, be slowly warming up to 79 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Performed polymer is heated to 78 ℃ again, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
Embodiment tri-
Its combination formula is selected as 56 parts of polyoxypropylene polyols according to quality proportioning; 40 parts of isocyanic ester; 1 part of film coalescence aid; 3 parts of properties-correcting agent; 0.23 part of catalyzer.
In there-necked flask, add polyoxypropylene polyol, be warming up to 100 ℃, the 3h that dewaters under vacuum, is cooled to 40～50 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60 ℃, and vacuumize de-bubble, be slowly warming up to 81 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Performed polymer is heated to 85 ℃ again, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
Embodiment tetra-
Its combination formula is selected as 45 parts of polyoxypropylene polyols according to quality proportioning; 27 parts of isocyanic ester; 4 parts of film coalescence aid; 5 parts of properties-correcting agent; 0.46 part of catalyzer.
In there-necked flask, add polyoxypropylene polyol, be warming up to 113 ℃, the 2.7h that dewaters under vacuum, is cooled to 40～50 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60 ℃, and vacuumize de-bubble, be slowly warming up to 80 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Performed polymer is heated to 82 ℃ again, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
Embodiment five
Its combination formula is selected as 58 parts of polyoxypropylene polyols according to quality proportioning; 36 parts of isocyanic ester; 3 parts of film coalescence aid; 1 part of properties-correcting agent; 0.27 part of catalyzer.
In there-necked flask, add polyoxypropylene polyol, be warming up to 107 ℃, the 3h that dewaters under vacuum, is cooled to 48 ℃.Polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60-65 ℃, and vacuumize de-bubble, be slowly warming up to 78 ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.Performed polymer is heated to 83 ℃ again, adds chainextender, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pours into a mould.
Claims (9)
1. novel transparent absorptive membrane material and a preparation technology thereof, be comprised of polyoxypropylene polyol, isocyanic ester, properties-correcting agent, the film coalescence aid of different molecular weight, it is characterized in that combination formula is polyoxypropylene polyol 40-60 part according to quality proportioning; Isocyanic ester 20-40 part; Film coalescence aid 1-5 part; Properties-correcting agent 1-5 part; Catalyzer 0.1-0.5 part.
2. a kind of novel transparent absorptive membrane material according to claim 1 and preparation technology thereof, is characterized in that one or several copolymerization in 300-2000 of described polyoxypropylene polyol molecular weight.
3. a kind of novel transparent absorptive membrane material according to claim 1 and preparation technology thereof, is characterized in that described isocyanic ester is one or more in tolylene diisocyanate, diphenylmethanediisocyanate, 1.6-hexamethylene diisocyanate.
4. a kind of novel transparent absorptive membrane material according to claim 1 and preparation technology thereof, is characterized in that described properties-correcting agent is one or more in 1.4-dihydroxyl butane, 1.3-dihydroxyl butane, 1.2-dihydroxyl Trimethylmethane, TriMethylolPropane(TMP).
5. a kind of novel transparent absorptive membrane material according to claim 1 and preparation technology thereof, is characterized in that described film coalescence aid is one or more in 1.4-butyleneglycol, propandiol butyl ether, 1-Methoxy-2-propyl acetate, ethylene glycol.
6. a kind of novel transparent absorptive membrane material according to claim 1 and preparation technology thereof, is characterized in that described preparation technology comprises polyoxypropylene polyol dehydration, polyoxypropylene polyol and isocyanate reaction, elastomerics preparation.
7. a kind of novel transparent absorptive membrane material according to claim 6 and preparation technology thereof, it is characterized in that described polyoxypropylene polyol dehydration is: in there-necked flask, add a certain amount of polyoxypropylene polyol, be warming up to 100-120 ℃, the 2-3h that dewaters under vacuum, is cooled to 40-50 ℃.
8. a kind of novel transparent absorptive membrane material according to claim 6 and preparation technology thereof, it is characterized in that described polyoxypropylene polyol and isocyanate reaction: by measuring than polyoxypropylene polyol and isocyanic ester are uniformly mixed to 0.5h at 60-65 ℃, and vacuumize de-bubble, slowly be warming up to (80 ± 2) ℃, reaction 2h; NCO content is surveyed in vacuum defoamation after it reacts completely, and seals standby.
9. a kind of novel transparent absorptive membrane material according to claim 6 and preparation technology thereof, it is characterized in that described elastomerics preparation is: performed polymer is heated to 70-90 ℃, the chainextender that adds metering, attenuant trieline, and defoamer, stir rapidly, after reaction evenly, under vacuum, pour into a mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218274.9A CN103509170A (en) | 2012-06-28 | 2012-06-28 | Novel transparent sound absorption film material and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218274.9A CN103509170A (en) | 2012-06-28 | 2012-06-28 | Novel transparent sound absorption film material and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103509170A true CN103509170A (en) | 2014-01-15 |
Family
ID=49892635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210218274.9A Pending CN103509170A (en) | 2012-06-28 | 2012-06-28 | Novel transparent sound absorption film material and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103509170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909698A (en) * | 2014-03-24 | 2014-07-09 | 昆山锦悦电子有限公司 | Novel optical explosion-proof membrane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1022297A1 (en) * | 1999-01-25 | 2000-07-26 | Basf Aktiengesellschaft | Sound-proofing polyurethane |
| CN1754914A (en) * | 2004-09-28 | 2006-04-05 | 拜耳（中国）有限公司 | Polyurethane composite material, its preparation method and use |
| CN101353406A (en) * | 2008-09-09 | 2009-01-28 | 北京市射线应用研究中心 | Method for preparing polyurethane foam material using irradiation |
| JP2010122561A (en) * | 2008-11-21 | 2010-06-03 | Inoac Corp | Coated sound absorbing material |
-
2012
- 2012-06-28 CN CN201210218274.9A patent/CN103509170A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1022297A1 (en) * | 1999-01-25 | 2000-07-26 | Basf Aktiengesellschaft | Sound-proofing polyurethane |
| CN1754914A (en) * | 2004-09-28 | 2006-04-05 | 拜耳（中国）有限公司 | Polyurethane composite material, its preparation method and use |
| CN101353406A (en) * | 2008-09-09 | 2009-01-28 | 北京市射线应用研究中心 | Method for preparing polyurethane foam material using irradiation |
| JP2010122561A (en) * | 2008-11-21 | 2010-06-03 | Inoac Corp | Coated sound absorbing material |
Non-Patent Citations (1)
| Title |
|---|
| 李绍雄等: "《聚氨酯树脂及其应用》", 30 May 2002, article ""聚氨酯树脂及其应用"" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909698A (en) * | 2014-03-24 | 2014-07-09 | 昆山锦悦电子有限公司 | Novel optical explosion-proof membrane |
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Application publication date: 20140115 |