ES8801934A1 - Un metodo mejorado para producir una espuma de poliolefina reticulada - Google Patents

Un metodo mejorado para producir una espuma de poliolefina reticulada

Info

Publication number
ES8801934A1
ES8801934A1 ES550254A ES550254A ES8801934A1 ES 8801934 A1 ES8801934 A1 ES 8801934A1 ES 550254 A ES550254 A ES 550254A ES 550254 A ES550254 A ES 550254A ES 8801934 A1 ES8801934 A1 ES 8801934A1
Authority
ES
Spain
Prior art keywords
cross
parts
weight
mould
ranging
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES550254A
Other languages
English (en)
Other versions
ES550254A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of ES550254A0 publication Critical patent/ES550254A0/es
Publication of ES8801934A1 publication Critical patent/ES8801934A1/es
Expired legal-status Critical Current

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
    • C08J9/04—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Paints Or Removers (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

SE MEZCLAN: ) 100 PARTES EN PESO DE UNA POLIOLEFINA CON INDICE DE FUSION ENTRE 0,1 Y 5,0, ELEGIDA ENTRE POLIETILENO, COPOLIMERO DE ETILENO-ACETATO DE VINILO Y OTROS; B) DE 0,2 A 1,0 PARTES DE UN AGENTE RETICULANTE, COMO EL DICUMIL-PEROXIDO; C) 10 A 30 PARTES DE AGENTE ESPONJANTE COMO LA AZO-DICARBONAMIDA O EL DIMITROSO-PENTAMETILEN-TETRAMINA; Y D) DE 0 A 0,6 PARTES DE UN AUXILIAR DE ESPONJAMIENTO COMO LA UREA U OXIDOS DE ZINC O PLOMO. CON ESTA MEZCLA SE LLENA UN RECIPIENTE CERRADO Y CON APLICACION DE PRESION, ENTRE 10 Y 200 KG/CM2, SE CALIENTA ENTRE 120 Y 160JC, DURANTE 20 A 70 MINUTOS, PRODUCIENDOSE UNA RESINA RETICULADA Y NO ESPONJADA CON UN 10 A 70% DE GEL Y UNA RELACION DE EXPANSION DE 1 A 3 VECES, QUE POSTERIORMENTE ES ESPONJADA POR CALENTAMIENTO EN DOS ETAPAS, PRIMERO DE 145 A 180JC PARA DESCOMPONER ENTRE UN 5 Y 70% DEL AGENTE ESPONJANTE Y SEGUIDO DE 170 A 210JC, EN UN RECIPIENTE ABIERTO.
ES550254A 1984-12-21 1985-12-20 Un metodo mejorado para producir una espuma de poliolefina reticulada Expired ES8801934A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59268457A JPS61146510A (ja) 1984-12-21 1984-12-21 架橋ポリオレフイン発泡体の製造方法

Publications (2)

Publication Number Publication Date
ES550254A0 ES550254A0 (es) 1988-03-01
ES8801934A1 true ES8801934A1 (es) 1988-03-01

Family

ID=17458770

Family Applications (1)

Application Number Title Priority Date Filing Date
ES550254A Expired ES8801934A1 (es) 1984-12-21 1985-12-20 Un metodo mejorado para producir una espuma de poliolefina reticulada

Country Status (8)

Country Link
EP (1) EP0186110B1 (es)
JP (1) JPS61146510A (es)
CN (1) CN1029984C (es)
AT (1) ATE42962T1 (es)
DE (1) DE3570086D1 (es)
DK (1) DK597085A (es)
ES (1) ES8801934A1 (es)
FI (1) FI82477C (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61283633A (ja) * 1985-06-07 1986-12-13 Seru Techno:Kk ポリオレフイン発泡体の製造方法
EP0702032B1 (en) * 1994-09-19 2002-11-27 Sentinel Products Corp. Cross-linked foam structures of essentially linear polyolefines and process for manufacture
CN1088422C (zh) * 1994-10-10 2002-07-31 塔罗克尔·柯克第七有限公司 用管坯料模制成泡沫制品的两阶段工艺
WO1996025281A1 (en) * 1995-02-14 1996-08-22 Robert Michael Branger Polymeric foam preparation
US6103154A (en) * 1998-02-27 2000-08-15 Reebok International Ltd. Method of molding cross-linked foamed compositions
CN102889382B (zh) * 2011-07-21 2016-06-08 杜邦公司 用于密封中空结构的制品及使用该制品的方法
CN103509266A (zh) * 2012-06-29 2014-01-15 合肥杰事杰新材料股份有限公司 一种热塑性泡沫复合材料及其制备方法
CN104327346A (zh) * 2014-09-03 2015-02-04 宁波埃弗勒斯壳体科技有限公司 一种安全防护箱用防水泡棉及其制备方法与应用
CN104974402A (zh) * 2015-07-20 2015-10-14 金宝丽科技（苏州）有限公司 一种聚乙烯包装材料及其制备方法
CN109747087B (zh) * 2017-11-01 2020-12-18 中国石油化工股份有限公司 硫化发泡橡胶及其制备方法
CN108003426B (zh) * 2017-11-17 2020-09-15 国家能源投资集团有限责任公司 发泡聚乙烯用组合物和聚乙烯发泡制品及其制备方法
CN113969015A (zh) * 2021-11-29 2022-01-25 江南大学 一种微孔聚乙烯发泡材料及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS57191029A (en) * 1981-05-21 1982-11-24 Sanwa Kako Kk Manufacture of bridged polyolefinic foamed material
JPS57191040A (en) * 1981-05-22 1982-11-24 Sanwa Kako Kk Manufacture of rubber molding having good property from vulcanized rubber

Also Published As

Publication number Publication date
ES550254A0 (es) 1988-03-01
FI855107A (fi) 1986-06-22
JPH0318817B2 (es) 1991-03-13
FI82477B (fi) 1990-11-30
FI82477C (fi) 1991-03-11
EP0186110A1 (de) 1986-07-02
DK597085A (da) 1986-06-22
DK597085D0 (da) 1985-12-20
DE3570086D1 (en) 1989-06-15
JPS61146510A (ja) 1986-07-04
CN1029984C (zh) 1995-10-11
CN85109232A (zh) 1986-07-02
EP0186110B1 (de) 1989-05-10
ATE42962T1 (de) 1989-05-15
FI855107A0 (fi) 1985-12-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960603