IT974654B - Espansi di materia plastica rigidi o semirigidi e processo per la loro preparazione - Google Patents

Espansi di materia plastica rigidi o semirigidi e processo per la loro preparazione

Info

Publication number
IT974654B
IT974654B IT7230278A IT3027872A IT974654B IT 974654 B IT974654 B IT 974654B IT 7230278 A IT7230278 A IT 7230278A IT 3027872 A IT3027872 A IT 3027872A IT 974654 B IT974654 B IT 974654B
Authority
IT
Italy
Prior art keywords
rigid
semi
preparation
plastic expands
rigid plastic
Prior art date
Application number
IT7230278A
Other languages
English (en)
Original Assignee
Exxon Research Engineering 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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Application granted granted Critical
Publication of IT974654B publication Critical patent/IT974654B/it

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
    • 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
    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/02—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine
    • C08F259/04—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing chlorine on to polymers of vinyl chloride
    • 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
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Graft Or Block Polymers (AREA)
  • Reinforced Plastic Materials (AREA)
IT7230278A 1971-10-21 1972-10-09 Espansi di materia plastica rigidi o semirigidi e processo per la loro preparazione IT974654B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4895771A GB1386610A (en) 1971-10-21 1971-10-21 Rigid and semirigid foams and process of making them

Publications (1)

Publication Number Publication Date
IT974654B true IT974654B (it) 1974-07-10

Family

ID=10450589

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7230278A IT974654B (it) 1971-10-21 1972-10-09 Espansi di materia plastica rigidi o semirigidi e processo per la loro preparazione

Country Status (6)

Country Link
JP (1) JPS5544770B2 (it)
CA (1) CA1005600A (it)
DE (1) DE2251924C2 (it)
FR (1) FR2156905B1 (it)
GB (1) GB1386610A (it)
IT (1) IT974654B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH597285A5 (it) * 1976-01-09 1978-03-31 Lonza Ag
CA1206700A (en) * 1982-01-04 1986-06-24 David M. Florence Low density cellular polyvinyl chloride
JPS6299545U (it) * 1985-12-09 1987-06-25

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB834345A (en) * 1956-09-25 1960-05-04 Union Carbide Corp Process for the production of cellular vinyl chloride resin compositions
GB1219803A (en) * 1967-06-03 1971-01-20 Toray Industries Cellular foamed products prepared from polymers of vinyl chloride and process for their preparation

Also Published As

Publication number Publication date
CA1005600A (en) 1977-02-15
JPS4851061A (it) 1973-07-18
FR2156905B1 (it) 1976-10-29
JPS5544770B2 (it) 1980-11-14
GB1386610A (en) 1975-03-12
DE2251924C2 (de) 1985-05-15
DE2251924A1 (de) 1973-04-26
FR2156905A1 (it) 1973-06-01

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