FR1074732A - Perfectionnements relatifs à un procédé d'obtention d'un copolymère - Google Patents

Perfectionnements relatifs à un procédé d'obtention d'un copolymère

Info

Publication number
FR1074732A
FR1074732A FR1074732DA FR1074732A FR 1074732 A FR1074732 A FR 1074732A FR 1074732D A FR1074732D A FR 1074732DA FR 1074732 A FR1074732 A FR 1074732A
Authority
FR
France
Prior art keywords
copolymer
obtaining
improvements relating
relating
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
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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
Priority claimed from US136584A external-priority patent/US2638465A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR1074732A publication Critical patent/FR1074732A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • 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
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
FR1074732D 1950-01-03 1952-12-30 Perfectionnements relatifs à un procédé d'obtention d'un copolymère Expired FR1074732A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US136584A US2638465A (en) 1950-01-03 1950-01-03 Copolymers of styrene and alphamethyl styrene and process for making the same
US305444A US2638466A (en) 1950-01-03 1952-08-20 Copolymers of styrene and alphamethyl styrene and process for making the same

Publications (1)

Publication Number Publication Date
FR1074732A true FR1074732A (fr) 1954-10-07

Family

ID=26834444

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074732D Expired FR1074732A (fr) 1950-01-03 1952-12-30 Perfectionnements relatifs à un procédé d'obtention d'un copolymère

Country Status (5)

Country Link
US (1) US2638466A (fr)
BE (1) BE516753A (fr)
FR (1) FR1074732A (fr)
GB (1) GB718687A (fr)
NL (1) NL83034C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208946A (en) * 1961-06-07 1965-09-28 Shell Oil Co Lubricants and additives therefor
GB9420645D0 (en) * 1994-10-13 1994-11-30 Dow Chemical Co Non-linear stytrenic polymer compositions and articles prepared therefrom

Also Published As

Publication number Publication date
US2638466A (en) 1953-05-12
BE516753A (fr)
NL83034C (fr) 1956-10-15
GB718687A (en) 1954-11-17

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