DE3049201A1 - Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung - Google Patents

Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung

Info

Publication number
DE3049201A1
DE3049201A1 DE19803049201 DE3049201A DE3049201A1 DE 3049201 A1 DE3049201 A1 DE 3049201A1 DE 19803049201 DE19803049201 DE 19803049201 DE 3049201 A DE3049201 A DE 3049201A DE 3049201 A1 DE3049201 A1 DE 3049201A1
Authority
DE
Germany
Prior art keywords
beads
foam
volume
mold
water
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.)
Granted
Application number
DE19803049201
Other languages
German (de)
English (en)
Other versions
DE3049201C2 (enExample
Inventor
Takeshi Yao Osaka Iwahama
Kenichi Akashi Hyogo Senda
Masahiro Settsu Osaka Ushirokawa
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
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 Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of DE3049201A1 publication Critical patent/DE3049201A1/de
Application granted granted Critical
Publication of DE3049201C2 publication Critical patent/DE3049201C2/de
Granted 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0068—Permeability to liquids; Adsorption
    • B29K2995/0069—Permeability to liquids; Adsorption non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/706—Buoys
    • 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)
  • 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)
  • Molding Of Porous Articles (AREA)
DE19803049201 1979-12-30 1980-12-27 Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung Granted DE3049201A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17160479A JPS5698147A (en) 1979-12-30 1979-12-30 Foamed polyolefin molding by water-impermeable bead method and preparation

Publications (2)

Publication Number Publication Date
DE3049201A1 true DE3049201A1 (de) 1981-09-17
DE3049201C2 DE3049201C2 (enExample) 1992-09-03

Family

ID=15926237

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803049201 Granted DE3049201A1 (de) 1979-12-30 1980-12-27 Wasserundurchdringlicher polyolefinschaum und verfahren zu dessen herstellung

Country Status (4)

Country Link
JP (1) JPS5698147A (enExample)
BE (1) BE886886A (enExample)
DE (1) DE3049201A1 (enExample)
FR (1) FR2477467B1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770621A (en) * 1980-10-20 1982-05-01 Asahi Chem Ind Co Ltd Foamed polyethylene molded object and manufacture tereof
JPS56151736A (en) * 1980-04-26 1981-11-24 Asahi Chem Ind Co Ltd Molded foamed article of crosslinked polyethylene resin
JPS60166442A (ja) * 1984-02-10 1985-08-29 Kanegafuchi Chem Ind Co Ltd ポリオレフイン発泡成形体の養生法
JPS6215928U (enExample) * 1985-07-16 1987-01-30
JPH0214225A (ja) * 1989-05-22 1990-01-18 Asahi Chem Ind Co Ltd プロピレン系樹脂発泡成形体の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1248314A (en) * 1968-02-21 1971-09-29 Basf Ag Production of moldings from expandable ethylene polymers
GB1257108A (enExample) * 1968-05-08 1971-12-15
US3897899A (en) * 1968-05-20 1975-08-05 Dart Ind Inc Plastic foam cup and method for producing it

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1629281B1 (de) * 1966-04-28 1972-03-23 Basf Ag Verfahren zur Herstellung von schaumfoermigen Formkoerpern aus Olefinpolymerisaten
DE1769862A1 (de) * 1968-07-27 1971-09-16 Basf Ag Verfahren zur Herstellung von Formkoerpern aus verschaeumbaren AEthylenpolymerisaten
US3992501A (en) * 1973-06-20 1976-11-16 Basf Aktiengesellschaft Process for the manufacture of void-free polyolefin foam moldings
JPS51132278A (en) * 1975-05-14 1976-11-17 Badische Yuka Co Ltd Method of producing styrene resin foaming formed article

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1248314A (en) * 1968-02-21 1971-09-29 Basf Ag Production of moldings from expandable ethylene polymers
GB1257108A (enExample) * 1968-05-08 1971-12-15
US3897899A (en) * 1968-05-20 1975-08-05 Dart Ind Inc Plastic foam cup and method for producing it

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Neopolen-Schaumstoffe", Technische Information der BASF Aktiengesellschaft vom September 1979 *

Also Published As

Publication number Publication date
FR2477467B1 (fr) 1985-10-25
JPS5698147A (en) 1981-08-07
FR2477467A1 (fr) 1981-09-11
DE3049201C2 (enExample) 1992-09-03
BE886886A (fr) 1981-06-29

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: TUERK, D., DIPL.-CHEM. DR.RER.NAT. GILLE, C., DIPL

8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee