GB1129127A - Multi-layer sintered products having a foamed layer and methods of making them - Google Patents

Multi-layer sintered products having a foamed layer and methods of making them

Info

Publication number
GB1129127A
GB1129127A GB723966A GB723966A GB1129127A GB 1129127 A GB1129127 A GB 1129127A GB 723966 A GB723966 A GB 723966A GB 723966 A GB723966 A GB 723966A GB 1129127 A GB1129127 A GB 1129127A
Authority
GB
United Kingdom
Prior art keywords
layer
heated
sintered
foaming agent
article
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
GB723966A
Other languages
English (en)
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Publication of GB1129127A publication Critical patent/GB1129127A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/205—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising surface fusion, and bonding of particles to form voids, e.g. sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Powder Metallurgy (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
GB723966A 1965-02-27 1966-02-18 Multi-layer sintered products having a foamed layer and methods of making them Expired GB1129127A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP40011501A JPS508110B1 (fr) 1965-02-27 1965-02-27

Publications (1)

Publication Number Publication Date
GB1129127A true GB1129127A (en) 1968-10-02

Family

ID=11779757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB723966A Expired GB1129127A (en) 1965-02-27 1966-02-18 Multi-layer sintered products having a foamed layer and methods of making them

Country Status (7)

Country Link
JP (1) JPS508110B1 (fr)
AT (1) AT282206B (fr)
BE (1) BE677060A (fr)
DE (1) DE1554910B2 (fr)
ES (1) ES323598A1 (fr)
GB (1) GB1129127A (fr)
NL (1) NL6602567A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317138A (en) * 1996-09-13 1998-03-18 Rotational Mouldings Ltd Rotational moulding of an acoustic hood
FR2859477A1 (fr) * 2003-09-10 2005-03-11 Cera Procede de realisation d'un complexe destine a l'insonorisation de pieces de garnissage de vehicule automobile
CN114180690A (zh) * 2020-09-15 2022-03-15 广州联福新材料科技有限公司 用于水处理的多孔烧结体及其制备方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5469102U (fr) * 1977-10-24 1979-05-16
DE2844819A1 (de) * 1978-10-14 1980-04-24 Gottwald Kg Leo Fahrzeugkran fuer hohe traglasten
US4431397A (en) * 1978-10-23 1984-02-14 Fried Robert P Apparatus for producing molded plastic articles
JPS55102885A (en) * 1979-09-13 1980-08-06 Taiko Refractories Gutter for molten metal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317138A (en) * 1996-09-13 1998-03-18 Rotational Mouldings Ltd Rotational moulding of an acoustic hood
FR2859477A1 (fr) * 2003-09-10 2005-03-11 Cera Procede de realisation d'un complexe destine a l'insonorisation de pieces de garnissage de vehicule automobile
CN114180690A (zh) * 2020-09-15 2022-03-15 广州联福新材料科技有限公司 用于水处理的多孔烧结体及其制备方法

Also Published As

Publication number Publication date
DE1554910A1 (de) 1970-07-09
BE677060A (fr) 1966-08-25
JPS508110B1 (fr) 1975-04-02
AT282206B (de) 1970-06-25
NL6602567A (fr) 1966-08-29
ES323598A1 (es) 1966-12-01
DE1554910B2 (de) 1971-03-11

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