UST953011I4 - Transparent impact polystyrene plastics of multiple block copolymers - Google Patents

Transparent impact polystyrene plastics of multiple block copolymers Download PDF

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Publication number
UST953011I4
UST953011I4 US05/629,746 US62974675A UST953011I4 US T953011 I4 UST953011 I4 US T953011I4 US 62974675 A US62974675 A US 62974675A US T953011 I4 UST953011 I4 US T953011I4
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US
United States
Prior art keywords
block copolymers
impact polystyrene
multiple block
polystyrene plastics
transparent impact
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.)
Pending
Application number
US05/629,746
Inventor
Robert C. Smith
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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber 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 Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Priority to US05/629,746 priority Critical patent/UST953011I4/en
Application granted granted Critical
Publication of UST953011I4 publication Critical patent/UST953011I4/en
Pending legal-status Critical Current

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    • 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
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
    • C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

A transparent copolymer of butadiene and styrene of the BSBS type is produced which contains 60 to 90 per cent of block styrene, or preferably 70 to 85 per cent of block styrene. The copolymer is suitable for use in the manufacture of packaging films and molded items, including egg cartons, boxes of various types, window panes, etc.
US05/629,746 1975-11-07 1975-11-07 Transparent impact polystyrene plastics of multiple block copolymers Pending UST953011I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/629,746 UST953011I4 (en) 1975-11-07 1975-11-07 Transparent impact polystyrene plastics of multiple block copolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/629,746 UST953011I4 (en) 1975-11-07 1975-11-07 Transparent impact polystyrene plastics of multiple block copolymers

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US05431531 Continuation 1974-01-07

Publications (1)

Publication Number Publication Date
UST953011I4 true UST953011I4 (en) 1976-12-07

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ID=24524311

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/629,746 Pending UST953011I4 (en) 1975-11-07 1975-11-07 Transparent impact polystyrene plastics of multiple block copolymers

Country Status (1)

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US (1) UST953011I4 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054616A (en) 1973-09-29 1977-10-18 Sumitomo Chemical Company, Limited Process for producing transparent block copolymer resins
US4168286A (en) 1977-09-23 1979-09-18 Phillips Petroleum Co. Tetrablock polymers and their hydrogenated analogs
EP0153727A2 (en) * 1984-02-29 1985-09-04 Phillips Petroleum Company Craze-resistant transparent resinous copolymers
US4704435A (en) 1986-03-24 1987-11-03 Phillips Petroleum Company Craze-resistant polymodal linear block copolymers with resinous terminal blocks
US4704434A (en) 1986-03-24 1987-11-03 Phillips Petroleum Company Craze-resistant polymodal linear block copolymers with terminal tapered blocks

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054616A (en) 1973-09-29 1977-10-18 Sumitomo Chemical Company, Limited Process for producing transparent block copolymer resins
US4168286A (en) 1977-09-23 1979-09-18 Phillips Petroleum Co. Tetrablock polymers and their hydrogenated analogs
EP0153727A2 (en) * 1984-02-29 1985-09-04 Phillips Petroleum Company Craze-resistant transparent resinous copolymers
US4584346A (en) 1984-02-29 1986-04-22 Phillips Petroleum Company Craze-resistant transparent resinous polymodal block copolymers
EP0153727A3 (en) * 1984-02-29 1986-11-20 Phillips Petroleum Company Craze-resistant transparent resinous copolymers
US4704435A (en) 1986-03-24 1987-11-03 Phillips Petroleum Company Craze-resistant polymodal linear block copolymers with resinous terminal blocks
US4704434A (en) 1986-03-24 1987-11-03 Phillips Petroleum Company Craze-resistant polymodal linear block copolymers with terminal tapered blocks

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