FI81819B - Laett tvaerbundna skum framstaellda av en lineaer poluolefin eller polystyren samt foerfarande foer framstaellning av dessa. - Google Patents
Laett tvaerbundna skum framstaellda av en lineaer poluolefin eller polystyren samt foerfarande foer framstaellning av dessa. Download PDFInfo
- Publication number
- FI81819B FI81819B FI854509A FI854509A FI81819B FI 81819 B FI81819 B FI 81819B FI 854509 A FI854509 A FI 854509A FI 854509 A FI854509 A FI 854509A FI 81819 B FI81819 B FI 81819B
- Authority
- FI
- Finland
- Prior art keywords
- foam
- polymer
- polystyrene
- parts
- agent
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Materials For Medical Uses (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Insulating Materials (AREA)
- Molding Of Porous Articles (AREA)
Claims (9)
1. Förfarande för framställning av ett lätt tvär-bundet skum, som bestär av en lineär polyolefin eller po-5 lystyren och som har en struktur bestäende väsentligen av slutna celler, kännetecknat därav, att (a) minst en lineär polyolefin, som utgörs av LLDPE, HDPE eller PP, eller polystyren i smält form under tryck blandas samman med ett cellformningsmedel och med 10 en tillräcklig mängd av ett tvärbindningsmedel, som utgörs av azidfunktionella silaner, vinylfunktionella sila-ner, organiska peroxider, polyfunktionella vinylmonomerer eller syre, för bildande av en flytande komposition, och (b) nämnda komposition pressas genom ett munstycke 15 vid ett tryck av minst 2758 kPa (400 psig), tili en zon med en lägre tryck, varvid nämnda cellformningsmedel ak-tiveras för att expandera nämnda ätminstone en lineär polyolefin eller polystyren, varvid bildas nämnda lätt tvärbundna skum. 20
2. Förfarande enligt patentkravet 1, känne tecknat därav, att nämnda tvärbindningsmedel är 2-(trimetoxisilyl)etylfenylsulfonylazid och med tvärbind-ningsmedlet tillsätts en katalysator, som katalyserar kondensation av silanoler. 25
3. Förfarande enligt patentkravet 1, känne tecknat därav, att nämnda tvärbindningsmedel är dikumylperoxid, trimetylolpropantriakrylat eller vinyl-trimetoxisilan.
4. Förfarande enligt patentkravet 1, k ä n n e -30 t e c k n a t därav, att i steget (a) tillsätts nämnda tvärbindningsmedel efter bildandet av den flytande bland-ningen av nämnda ätminstone en lineär polyolefin eller polystyren och nämnda cellformningsmedel i en sädan mängd, som är tillräcklig att initiera tvärbindandet av 35 nämnda ätminstone en lineär polyolefin eller polystyren 81 819 och höja trycket hos nämnda blandning till minst 2758 kPa (400 psig).
5. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att som nämnda tvärbindningsmedel 5 används 0,01-2,0 delar av en azidfunktionell siian per 100 delar polymer och en katalysator tillsätts, som kata-lyserar kondensation av silanoler.
6. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att som nämnda tvärbindningsmedel 10 används 0,001-0,5 delar av en organisk peroxid per 100 delar polymer.
7. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att som nämnda tvärbindningsmedel används 0,01-2,0 delar av en polyfunktionell vinylmonomer 15 per 100 delar polymer.
8. Lätt tvärbundet skum, som framställts av en li-neär polyolefin eller polystyren och som har en struktur bestäende väsentligen av slutna celler, känne- t e c k n a t därav, att det framställts medelst ett 20 förfarande enligt patentkravet 1 eller 4.
9. Polymerkompositiön av lineära polyolefiner eller polystyren, vilken kan expanderas medelst ett förfarande enligt patentkravet 1, kännetecknad därav, att den innehäller ätminstone en lineär polyolefin, 25 som utgörs av LLDPE, HDPE eller PP, eller polystyren, ett cellformningsmedel och ett tvärbindningsmedel, som utgörs av azidfunktionella silaner, vinylfunktionella silaner, organiska peroxider, polyfunktionella vinylmonomerer eller syre. Il
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/672,001 US4714716A (en) | 1984-11-16 | 1984-11-16 | Lightly crosslinked linear olefinic polymer foams and process for making |
US67200184 | 1984-11-16 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI854509A0 FI854509A0 (fi) | 1985-11-15 |
FI854509A FI854509A (fi) | 1986-05-17 |
FI81819B true FI81819B (fi) | 1990-08-31 |
FI81819C FI81819C (sv) | 1990-12-10 |
Family
ID=24696749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI854509A FI81819C (sv) | 1984-11-16 | 1985-11-15 | Lätt tvärbundna skum framställda av en lineär polyolefin eller polysty ren samt förfarande för framställning av dessa |
Country Status (11)
Country | Link |
---|---|
US (1) | US4714716A (sv) |
EP (1) | EP0181637B1 (sv) |
JP (2) | JPS61126701A (sv) |
AT (1) | ATE71640T1 (sv) |
BR (1) | BR8505760A (sv) |
CA (1) | CA1247816A (sv) |
DE (1) | DE3585207D1 (sv) |
DK (1) | DK526285A (sv) |
ES (1) | ES8706176A1 (sv) |
FI (1) | FI81819C (sv) |
NO (1) | NO166234C (sv) |
Families Citing this family (83)
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US5882776A (en) | 1996-07-09 | 1999-03-16 | Sentinel Products Corp. | Laminated foam structures with enhanced properties |
US5876813A (en) | 1996-07-09 | 1999-03-02 | Senitnel Products Corp | Laminated foam structures with enhanced properties |
US5938878A (en) | 1996-08-16 | 1999-08-17 | Sentinel Products Corp. | Polymer structures with enhanced properties |
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KR20010014323A (ko) * | 1997-08-27 | 2001-02-26 | 그래햄 이. 테일러 | 비닐 방향족 중합체의 커플링 방법 및 발포체 |
TR200000905T2 (tr) | 1997-08-27 | 2000-07-21 | The Dow Chemical Company | Alfa-olefin interpolimerleri ile vinli aromatik monomerlerde akışbilimsel değişimler |
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US8003176B2 (en) * | 2006-10-04 | 2011-08-23 | 3M Innovative Properties Company | Ink receptive article |
US20080114091A1 (en) * | 2006-11-15 | 2008-05-15 | Sealed Air Corporation (Us) | Apparatus and Method for Preparing a UV-Induced Crosslinked Foam |
TWI430462B (zh) | 2008-12-12 | 2014-03-11 | Ind Tech Res Inst | 封裝材料、矽晶太陽光電模組及薄膜太陽光電模組 |
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MX2016011707A (es) | 2014-03-10 | 2017-04-27 | Hickory Springs Mfg Co | Espuma de polietileno para alta temperatura sin enlaces cruzados y metodos para fabricarla. |
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US20160325472A1 (en) * | 2015-05-06 | 2016-11-10 | Lifoam Industries, Llc | Foam particles, methods of making and using the same |
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EP4335895A1 (en) | 2022-09-07 | 2024-03-13 | Armacell Enterprise GmbH & Co. KG | Composite article comprising aerogel particles and a foam |
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-
1984
- 1984-11-16 US US06/672,001 patent/US4714716A/en not_active Expired - Fee Related
-
1985
- 1985-11-13 CA CA000495177A patent/CA1247816A/en not_active Expired
- 1985-11-14 DE DE8585114456T patent/DE3585207D1/de not_active Expired - Fee Related
- 1985-11-14 EP EP85114456A patent/EP0181637B1/en not_active Expired - Lifetime
- 1985-11-14 BR BR8505760A patent/BR8505760A/pt not_active IP Right Cessation
- 1985-11-14 DK DK526285A patent/DK526285A/da not_active Application Discontinuation
- 1985-11-14 AT AT85114456T patent/ATE71640T1/de not_active IP Right Cessation
- 1985-11-15 FI FI854509A patent/FI81819C/sv not_active IP Right Cessation
- 1985-11-15 NO NO854575A patent/NO166234C/no unknown
- 1985-11-15 ES ES548924A patent/ES8706176A1/es not_active Expired
- 1985-11-15 JP JP60255144A patent/JPS61126701A/ja active Pending
-
1986
- 1986-10-06 JP JP61236387A patent/JPS6390544A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0181637B1 (en) | 1992-01-15 |
CA1247816A (en) | 1989-01-03 |
FI854509A0 (fi) | 1985-11-15 |
US4714716A (en) | 1987-12-22 |
JPS61126701A (ja) | 1986-06-14 |
FI854509A (fi) | 1986-05-17 |
EP0181637A2 (en) | 1986-05-21 |
JPS6390544A (ja) | 1988-04-21 |
DK526285D0 (da) | 1985-11-14 |
NO854575L (no) | 1986-05-20 |
NO166234B (no) | 1991-03-11 |
DK526285A (da) | 1986-05-17 |
EP0181637A3 (en) | 1988-05-25 |
BR8505760A (pt) | 1986-08-12 |
NO166234C (no) | 1991-06-19 |
FI81819C (sv) | 1990-12-10 |
ATE71640T1 (de) | 1992-02-15 |
ES8706176A1 (es) | 1987-06-01 |
DE3585207D1 (de) | 1992-02-27 |
ES548924A0 (es) | 1987-06-01 |
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MM | Patent lapsed | ||
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Owner name: THE DOW CHEMICAL COMPANY |