GB718687A - Copolymers of styrene and alpha-methyl styrene and process for making the same - Google Patents

Copolymers of styrene and alpha-methyl styrene and process for making the same

Info

Publication number
GB718687A
GB718687A GB33132/52A GB3313252A GB718687A GB 718687 A GB718687 A GB 718687A GB 33132/52 A GB33132/52 A GB 33132/52A GB 3313252 A GB3313252 A GB 3313252A GB 718687 A GB718687 A GB 718687A
Authority
GB
United Kingdom
Prior art keywords
copolymer
zone
styrene
alpha
reduced pressure
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
GB33132/52A
Other languages
English (en)
Inventor
James Lawrence Amos
Carroll Turner Miller
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
Publication of GB718687A publication Critical patent/GB718687A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00Copolymers 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
    • C08F212/02Monomers containing only one unsaturated aliphatic radical
    • C08F212/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06Hydrocarbons
    • C08F212/08Styrene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00Copolymers 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
    • C08F212/02Monomers containing only one unsaturated aliphatic radical
    • C08F212/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06Hydrocarbons
    • C08F212/12Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/001Removal of residual monomers by physical means
    • C08F6/005Removal 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)
GB33132/52A 1950-01-03 1952-12-31 Copolymers of styrene and alpha-methyl styrene and process for making the same Expired GB718687A (en)

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
GB718687A true GB718687A (en) 1954-11-17

Family

ID=26834444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33132/52A Expired GB718687A (en) 1950-01-03 1952-12-31 Copolymers of styrene and alpha-methyl styrene and process for making the same

Country Status (5)

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

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
FR1074732A (fr) 1954-10-07
BE516753A ( )
NL83034C ( ) 1956-10-15

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