DK597085A - PROCEDURE FOR THE PREPARATION OF CROSS-BONDED POLYOLINE FOAM - Google Patents
PROCEDURE FOR THE PREPARATION OF CROSS-BONDED POLYOLINE FOAM Download PDFInfo
- Publication number
- DK597085A DK597085A DK597085A DK597085A DK597085A DK 597085 A DK597085 A DK 597085A DK 597085 A DK597085 A DK 597085A DK 597085 A DK597085 A DK 597085A DK 597085 A DK597085 A DK 597085A
- Authority
- DK
- Denmark
- Prior art keywords
- cross
- parts
- weight
- mould
- ranging
- 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
- C08J9/04—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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Graft Or Block Polymers (AREA)
Abstract
1. Process for preparing cross-linked polyolefin foamed articles with closed cells, in which a cross-linkable, expandable composition is heated under pressure for a preset period of time and subsequently heated again at atmospheric pressure for a preset period of time, characterised in that a composition containing in 100 parts by weight polyolefin with a melt ----------------------------------flow rate (MFR) ranging ----------------------------------from 0.1 to 5.0 g/10 min 0.2 to 1.0 parts by weight of a cross-linking agent, 10 to 30 parts by weight of a blowing agent and 0 to 0.6 parts by weight of an auxiliary foaming agent, is filled into a closed mould and heated therein for 20 to 70 min at temperatures ranging from 120 to 160 degrees C at a pressure of more than 10 bar and moulded into a shape corresponding to the mould, in which case a crosslinked, essentially unfoamed product with a gel content of approximately 10 to 70% and a degree of expansion ranging from 1 to 3 times the original volume is obtained, and subsequently this cross-linked, unfoamed product is foamed by heating at atmospheric pressure in a mould, which is not gas-tight, which corresponds to a desired shape, in which case a thick, tough foamed article with uniform, fine cells is obtained.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59268457A JPS61146510A (en) | 1984-12-21 | 1984-12-21 | Manufacture of crosslinked polyolefin foam |
Publications (2)
Publication Number | Publication Date |
---|---|
DK597085D0 DK597085D0 (en) | 1985-12-20 |
DK597085A true DK597085A (en) | 1986-06-22 |
Family
ID=17458770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK597085A DK597085A (en) | 1984-12-21 | 1985-12-20 | PROCEDURE FOR THE PREPARATION OF CROSS-BONDED POLYOLINE FOAM |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0186110B1 (en) |
JP (1) | JPS61146510A (en) |
CN (1) | CN1029984C (en) |
AT (1) | ATE42962T1 (en) |
DE (1) | DE3570086D1 (en) |
DK (1) | DK597085A (en) |
ES (1) | ES8801934A1 (en) |
FI (1) | FI82477C (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61283633A (en) * | 1985-06-07 | 1986-12-13 | Seru Techno:Kk | Production of polyolefin foam |
KR960010734A (en) * | 1994-09-19 | 1996-04-20 | 존 디. 밤바라 | Cross-linked foamed structure of essential linear polyolefins and process for preparing same |
ES2176339T3 (en) * | 1994-10-10 | 2002-12-01 | Evolution Foam Mouldings Ltd | TWO STAGES PROCEDURE TO OBTAIN FOAM MOLDED PRODUCTS FROM PREFORMED TUBES. |
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 (en) * | 2011-07-21 | 2016-06-08 | 杜邦公司 | For sealing the goods of hollow structure and using the method for these goods |
CN103509266A (en) * | 2012-06-29 | 2014-01-15 | 合肥杰事杰新材料股份有限公司 | Thermoplastic foam composite material and preparation method thereof |
CN104327346A (en) * | 2014-09-03 | 2015-02-04 | 宁波埃弗勒斯壳体科技有限公司 | Waterproof foam for safe protection box, preparation method and applications thereof |
CN104974402A (en) * | 2015-07-20 | 2015-10-14 | 金宝丽科技(苏州)有限公司 | Polyethylene packaging material and preparation method thereof |
CN109747087B (en) * | 2017-11-01 | 2020-12-18 | 中国石油化工股份有限公司 | Vulcanized foam rubber and preparation method thereof |
CN108003426B (en) * | 2017-11-17 | 2020-09-15 | 国家能源投资集团有限责任公司 | Composition for foamed polyethylene, polyethylene foamed product and preparation method thereof |
CN113969015A (en) * | 2021-11-29 | 2022-01-25 | 江南大学 | Microporous polyethylene foam material and preparation method thereof |
Family Cites Families (3)
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 |
-
1984
- 1984-12-21 JP JP59268457A patent/JPS61146510A/en active Granted
-
1985
- 1985-12-18 DE DE8585116141T patent/DE3570086D1/en not_active Expired
- 1985-12-18 AT AT85116141T patent/ATE42962T1/en not_active IP Right Cessation
- 1985-12-18 EP EP85116141A patent/EP0186110B1/en not_active Expired
- 1985-12-19 CN CN85109232A patent/CN1029984C/en not_active Expired - Fee Related
- 1985-12-20 FI FI855107A patent/FI82477C/en not_active IP Right Cessation
- 1985-12-20 ES ES550254A patent/ES8801934A1/en not_active Expired
- 1985-12-20 DK DK597085A patent/DK597085A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI82477C (en) | 1991-03-11 |
JPS61146510A (en) | 1986-07-04 |
DK597085D0 (en) | 1985-12-20 |
CN1029984C (en) | 1995-10-11 |
ATE42962T1 (en) | 1989-05-15 |
EP0186110B1 (en) | 1989-05-10 |
JPH0318817B2 (en) | 1991-03-13 |
ES8801934A1 (en) | 1988-03-01 |
EP0186110A1 (en) | 1986-07-02 |
FI855107A (en) | 1986-06-22 |
DE3570086D1 (en) | 1989-06-15 |
CN85109232A (en) | 1986-07-02 |
FI82477B (en) | 1990-11-30 |
FI855107A0 (en) | 1985-12-20 |
ES550254A0 (en) | 1988-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |