FI82065B - Foerfarande foer framstaellning av skum av lineaert ld-polyeten och eventuella andra polymermaterial. - Google Patents

Foerfarande foer framstaellning av skum av lineaert ld-polyeten och eventuella andra polymermaterial. Download PDF

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Publication number
FI82065B
FI82065B FI860845A FI860845A FI82065B FI 82065 B FI82065 B FI 82065B FI 860845 A FI860845 A FI 860845A FI 860845 A FI860845 A FI 860845A FI 82065 B FI82065 B FI 82065B
Authority
FI
Finland
Prior art keywords
polyethylene
linear
foam
temperature
foaming
Prior art date
Application number
FI860845A
Other languages
English (en)
Finnish (fi)
Other versions
FI860845A0 (fi
FI82065C (sv
FI860845A (fi
Inventor
John Shih Cheng-Shiang
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of FI860845A0 publication Critical patent/FI860845A0/fi
Publication of FI860845A publication Critical patent/FI860845A/fi
Application granted granted Critical
Publication of FI82065B publication Critical patent/FI82065B/fi
Publication of FI82065C publication Critical patent/FI82065C/sv

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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
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102—Azo-compounds
    • C08J9/103—Azodicarbonamide
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/18—Cross-linking a thermoplastic linear foam during molding

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)

Claims (9)

1. Förfarande för framställning av ett skum av en eller flera tvärbundna olefinpolymerer och eventuellt an- 5 nat polymermaterial, säsom naturgummi eller etylenpropy-lengummi, varvid mängden av det nämnda andra polymermate-rialet är under 15 vikt-% beräknat pä de använda polymera komponenternas totala mängd, varvid olefinpolymeren eller, ifall tvä eller flera olefinpolymerer används, ätminstone 10 en olefinpolymer är ett lineärt LD-polyeten och den andra olefinpolymeren, ifall denna används, är ett LD-polyeten och förfarandet utförs sä, att det lineära LD-polyetenet, jäsmedel, och eventuella tillsatsämnen blandas, blandning-en bearbetas tili ett skivmaterial och det resulterande 15 skivmaterialet tvärbinds och skummas, känneteck- n a t därav, att det lineära LD-polyetenet har en enligt ASTM-testmetoden D-1525-75 mätt Vicat-mjukningstemperatur av under 105 °C och smältindex i omrädet 0,2 - 10 g/10 min, tvärbindningen utförs med ett kemiskt tvärbindningsmedel 20 och tvärbindningsmedlet används i en mängd av 0,3 - 1,5 vikt-% och jäsmedel 0,1 - 30 vikt-%, varvid nämnda vikt-procenter baserar sig pä totala vikten av det använda po-lymermaterialet.
2. Förfarande enligt patentkravet 1, känne- 25 tecknat därav, att skummet framställs av en kombi- nation av lineärt LD-polyeten och LD-polyeten.
3. Förfarande enligt patentkravet 2, känne-tecknat därav, att ätminstone en del av LD-polyetenet blandas sedan med det lineära LD-polyetenet och den 30 resulterade skumningskompositionen skummas.
4. Förfarande enligt patentkravet 3, känne-tecknat därav, att förblandningen före blandning med det lineära LD-polyetenet för bildande av skumnings-kompositionern, extruderas vid en temperatur, vilken lig- 35 ger över mjukningstemperaturen av LD-polyetenet, och den extruderade massan mals i granulär form. 24 8 2 0 6 5
5. Förfarande enligt patentkravet 3, känne-t e c k n a t därav, att endast en del av LD-polyetenet används för framställningen av förblandningen och det li-neära LD-polyetenet torrblandas med äterstoden av LD-poly- 5 etenet och denna torra blandning blandas sedan med förblandningen för bildande av skumningskompositionen.
6. Förfarande enligt nägot av patentkraven 3-5, kännetcknat därav, att skumningskompositionen framställs som en skiva genom extruderande av en bland- 10 ning bestäende av det lineära LD-polyetenet, LD-polyetenet, jäsmedlet och eventuellt använt tvärbindningsmedel och andra tillsatsämnen.
7. Förfarande enligt patentkraven 6, känne-t e c k n a t därav, att skivan skummas vid en temperatur 15 av 150 - 275 °C.
8. Förfarande enligt patentkravet 7, känne-t e c k n a t därav, att man använder ett kemiskt tvärbindningsmedel och att skivan utsätts för tvä temperatur-er sä, att den första temperaturen är 150 - 250 °C och den 20 andra temperaturen är 210 - 260 °C.
9. Förfarande enligt patentkravet 1, känne-t e c k n a t därav, att jäsmedlet är azodikarbamid och man använder ett kemiskt tvärbindningdsmedel. Il
FI860845A 1984-07-04 1986-02-27 Förfarande för framställning av skum av lineärt LD-polyeten och eventu ella andra polymermaterial FI82065C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB848417053A GB8417053D0 (en) 1984-07-04 1984-07-04 Foams of linear low density polyethylene
GB8417053 1984-07-04
US8501250 1985-07-02
PCT/US1985/001250 WO1986000628A1 (en) 1984-07-04 1985-07-02 Foams of linear low density polyethylene and a method for their preparation

Publications (4)

Publication Number Publication Date
FI860845A0 FI860845A0 (fi) 1986-02-27
FI860845A FI860845A (fi) 1986-02-27
FI82065B true FI82065B (fi) 1990-09-28
FI82065C FI82065C (sv) 1991-01-10

Family

ID=10563402

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860845A FI82065C (sv) 1984-07-04 1986-02-27 Förfarande för framställning av skum av lineärt LD-polyeten och eventu ella andra polymermaterial

Country Status (13)

Country Link
US (1) US4738810A (sv)
EP (1) EP0188540B1 (sv)
AT (1) ATE42318T1 (sv)
AU (1) AU572681B2 (sv)
CA (1) CA1266150A (sv)
DE (1) DE3569552D1 (sv)
ES (1) ES8609382A1 (sv)
FI (1) FI82065C (sv)
GB (1) GB8417053D0 (sv)
GR (1) GR851651B (sv)
NO (1) NO165244C (sv)
WO (1) WO1986000628A1 (sv)
ZA (1) ZA855057B (sv)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702868A (en) * 1987-02-24 1987-10-27 Valcour Incorporated Moldable silane-crosslinked polyolefin foam beads
US4900490A (en) * 1987-05-15 1990-02-13 Packaging Industries Group, Inc. Foam material
US5053438A (en) * 1987-05-15 1991-10-01 Packaging Industries Group, Inc. Foam material
US4898760A (en) * 1987-11-17 1990-02-06 Amesbury Industries, Inc. Process and apparatus for extruding a low density elastomeric thermoplastic foam
NL8801297A (nl) * 1988-05-19 1989-12-18 Stamicarbon Polyetheensamenstelling, voorwerpen daaruit vervaardigd en werkwijze voor het vervaardigen van geschuimde voorwerpen.
JPH02107643A (ja) * 1988-10-18 1990-04-19 Nippon Unicar Co Ltd 耐熱性連続気泡型架橋エチレン系樹脂発泡体組成物
US5728406A (en) * 1989-07-11 1998-03-17 Amesbury Group, Inc. Apparatus for extruding a low density thermoplastic foam
ES2029932A6 (es) * 1989-10-24 1992-10-01 Bxl Espana S A Un metodo para la produccion de mezclas poliolefinicas.
US5290822A (en) * 1992-08-27 1994-03-01 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5225451A (en) * 1992-08-27 1993-07-06 Astro-Valcour, Inc. Ultra low density polyolefin foam, foamable polyolefin compositions and process for making same
US5564623A (en) * 1993-06-11 1996-10-15 American Trading And Production Corporation Durable case formed from an expanded high-density polyethylene
DE69528941T2 (de) * 1994-09-19 2003-09-18 Sentinel Products Corp., Hyannis Vernetzte Schaumstrukturen von hauptsächlich linearen Polyolefinen und Verfahren zur Herstellung
US5750252A (en) * 1995-06-02 1998-05-12 The Dow Chemical Company Protective coating for metal surfaces
JP2975894B2 (ja) * 1996-07-12 1999-11-10 難波プレス工業株式会社 表皮付き多層異硬度座席およびその製造方法
US6114025A (en) * 1998-06-15 2000-09-05 Tenneco Protective Packaging, Inc. Foam and film/foam laminates using linear low density polyethylene
US6436521B1 (en) 1998-11-06 2002-08-20 Sealed Air Corporation (U.S) Polyolefin/ionomer blend for improved properties in extruded foam products
US6066393A (en) * 1998-11-06 2000-05-23 Sealed Air Corporation Polyolefin/ionomer blend for improved properties in extruded foam products
US6096793A (en) * 1998-12-22 2000-08-01 Sealed Air Corporation Foam comprising polyolefin blend and method for producing same
US6593386B1 (en) 1999-09-13 2003-07-15 Sealed Air Corporation (U.S.) Compitable linear and branched ethylenic polymers and foams therefrom
US6809125B1 (en) 2000-06-02 2004-10-26 Sealed Air Corporation (Us) Foam comprising polyolefin blend and method for producing same
US6492013B1 (en) 2001-03-28 2002-12-10 Sealed Air Corporation Foam composite structure comprising a blend of polypropylene and homogeneous ethylene/alpha-olefin copolymer
US6770683B2 (en) 2002-02-22 2004-08-03 Sealed Air Corporation (Us) Foam comprising a blend of ethylene/styrene interpolymer and polyethylene
US6872756B2 (en) * 2002-04-01 2005-03-29 Sealed Air Corporation (Us) Foam comprising ethylene/vinyl acetate copolymer
GB2395948A (en) 2002-12-06 2004-06-09 Pactiv Europ B V Polyolefin foam
US7358282B2 (en) * 2003-12-05 2008-04-15 Kimberly-Clark Worldwide, Inc. Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam
US20060035993A1 (en) * 2004-08-13 2006-02-16 Feng Tay Enterprises Co., Ltd Method for preparing a foamable composition and foamed material made from the foamable composition
US7291382B2 (en) * 2004-09-24 2007-11-06 Kimberly-Clark Worldwide, Inc. Low density flexible resilient absorbent open-cell thermoplastic foam
US8158689B2 (en) * 2005-12-22 2012-04-17 Kimberly-Clark Worldwide, Inc. Hybrid absorbent foam and articles containing it
US20070148433A1 (en) * 2005-12-27 2007-06-28 Mallory Mary F Elastic laminate made with absorbent foam
US7718251B2 (en) 2006-03-10 2010-05-18 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
ITMI20061418A1 (it) * 2006-07-20 2008-01-21 Masterplast S R L Polietilene reticolato espandibile,procedimento per la sua produzione e apparecchiatura per realizzare il procedimento.
CN103396564B (zh) * 2013-08-28 2015-12-09 浙江太湖远大新材料股份有限公司 一种化学交联聚乙烯绝缘料的制备方法
CN107923217A (zh) 2015-02-13 2018-04-17 埃美斯博瑞集团有限公司 低压缩力的tpe耐候性密封件
CN110461921B (zh) 2017-03-31 2023-02-21 积水化学工业株式会社 交联聚烯烃发泡体及使用了该交联聚烯烃发泡体的成型体
CN109749213A (zh) * 2017-11-06 2019-05-14 阿布扎比聚合物有限公司(博禄) 发泡聚乙烯制品
CN114874521A (zh) * 2021-02-05 2022-08-09 上海映甫新材料科技有限公司 一种化学交联聚乙烯泡棉及其制备方法
CN114539596A (zh) * 2022-02-28 2022-05-27 广东泓硕新材料科技有限公司 一种可循环再造的环保珍珠棉及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098831A (en) * 1959-05-01 1963-07-23 Us Rubber Co Expanded polyethylene and method of making the same
DE1291115B (de) * 1964-03-31 1969-03-20 Furukawa Electric Co Ltd Verfahren zur Herstellung von Zellkoerpern aus Polyolefinen
US3418270A (en) * 1964-12-22 1968-12-24 Du Pont Method for dispersing pigments in polyethylene
US3608006A (en) * 1966-10-01 1971-09-21 Furukawa Electric Co Ltd Production of foamed polyolefin composite sheet
US3812225A (en) * 1967-01-23 1974-05-21 Furukawa Electric Co Ltd Method of manufacturing foamed crosslinked polyolefin slabs involving multiple expansion techniques and direct gas pressure
JPS5150978A (en) * 1974-10-30 1976-05-06 Sumitomo Chemical Co Echirenkeijugotaino kakyohatsuhoshashutsuseikeihoho
DE2543248C2 (de) * 1975-09-27 1983-11-24 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Schaumstoffbahnen aus Olefinpolymerisaten
DE2714800A1 (de) * 1977-04-02 1978-10-12 Basf Ag Verfahren zur herstellung von vernetzten schaumfaehigen formkoerpern aus olefinpolymerisaten
JPS5499166A (en) * 1978-01-20 1979-08-04 Japan Styrene Paper Corp Production of polyolefinic foamed resin
US4338271A (en) * 1979-05-28 1982-07-06 Toyo Rubber Chemical Industrial Corp. Method for manufacturing a low density synthetic resin body
NL8001732A (nl) * 1980-03-25 1981-10-16 Stamicarbon Werkwijze voor de vervaardiging van produkten bestaande uit geschuimde en/of verknoopte polymere kunststoffen.
DE3100665A1 (de) * 1981-01-12 1982-08-26 Spiritini, Cuno Geschaeumtes niederdruck-polyethylen, verfahren zur herstellung desselben, sowie dessen verwendung
JPS5853929A (ja) * 1981-09-28 1983-03-30 Sekisui Chem Co Ltd 架橋ポリエチレン系樹脂発泡体
JPS58179241A (ja) * 1982-04-14 1983-10-20 Toray Ind Inc 導電性熱可塑性樹脂発泡体
JPS58198537A (ja) * 1982-05-17 1983-11-18 Sanwa Kako Kk 導電性架橋ポリオレフィン気泡体の製造方法
US4424181A (en) * 1982-10-13 1984-01-03 Nippon Unicar Company Process and composition for producing open-cell cross linked polyolefin foam
JPS59135236A (ja) * 1983-01-21 1984-08-03 Sekisui Chem Co Ltd 合成樹脂架橋発泡体
US4552708A (en) * 1983-10-14 1985-11-12 Mitsubishi Petrochemical Co., Ltd. Method for producing crosslinked foam

Also Published As

Publication number Publication date
FI860845A0 (fi) 1986-02-27
CA1266150A (en) 1990-02-20
FI82065C (sv) 1991-01-10
NO165244C (no) 1991-01-16
EP0188540A1 (en) 1986-07-30
NO860793L (no) 1986-03-03
GR851651B (sv) 1985-11-26
AU4604485A (en) 1986-02-10
WO1986000628A1 (en) 1986-01-30
GB8417053D0 (en) 1984-08-08
ES8609382A1 (es) 1986-07-16
ATE42318T1 (de) 1989-05-15
AU572681B2 (en) 1988-05-12
DE3569552D1 (en) 1989-05-24
US4738810A (en) 1988-04-19
ES544833A0 (es) 1986-07-16
ZA855057B (en) 1987-03-25
FI860845A (fi) 1986-02-27
NO165244B (no) 1990-10-08
EP0188540B1 (en) 1989-04-19

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