GB1431556A - Moulding high vinyl butadiene polymer compositions - Google Patents

Moulding high vinyl butadiene polymer compositions

Info

Publication number
GB1431556A
GB1431556A GB2106872A GB2106872A GB1431556A GB 1431556 A GB1431556 A GB 1431556A GB 2106872 A GB2106872 A GB 2106872A GB 2106872 A GB2106872 A GB 2106872A GB 1431556 A GB1431556 A GB 1431556A
Authority
GB
United Kingdom
Prior art keywords
filler
mould
butadiene
polymer compositions
composition
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
GB2106872A
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals 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 BP Chemicals Ltd filed Critical BP Chemicals Ltd
Priority to GB2106872A priority Critical patent/GB1431556A/en
Publication of GB1431556A publication Critical patent/GB1431556A/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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material

Abstract

1431556 Moulding high vinyl butadiene polymer compositions BP CHEMICALS INTERNATIONAL Ltd 4 May 1973 [5 May 1972] 21068/72 Heading B5A Thermosetting moulding compositions based on butadiene polymers containing at least 25% of 1,2-bonded units and a particulate inorganic filler are moulded under heat and pressure in a matched metal mould, at least some of the filler particles having a particle diameter greater than the width of the flash channel of the mould. The primary filler preferably comprises spherical glass beads and the composition may also contain fibrous reinforcing filler. The butadiene may be copolymerized with, e.g., styrene, vinyl toluene, diethyl fumarate or maleate, dibutyl fumarate, acrylamide or N,N<SP>1</SP>-methylene bisacrylamide. The composition may also contain a free radical initiator, a shrink controller, lubricant and mould release agent.
GB2106872A 1972-05-05 1972-05-05 Moulding high vinyl butadiene polymer compositions Expired GB1431556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2106872A GB1431556A (en) 1972-05-05 1972-05-05 Moulding high vinyl butadiene polymer compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2106872A GB1431556A (en) 1972-05-05 1972-05-05 Moulding high vinyl butadiene polymer compositions

Publications (1)

Publication Number Publication Date
GB1431556A true GB1431556A (en) 1976-04-07

Family

ID=10156659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2106872A Expired GB1431556A (en) 1972-05-05 1972-05-05 Moulding high vinyl butadiene polymer compositions

Country Status (1)

Country Link
GB (1) GB1431556A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873837A2 (en) * 1997-04-21 1998-10-28 Owens-Illinois Closure Inc., Method of removing blemishes in compression molded articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0873837A2 (en) * 1997-04-21 1998-10-28 Owens-Illinois Closure Inc., Method of removing blemishes in compression molded articles
EP0873837A3 (en) * 1997-04-21 2000-04-26 Owens-Illinois Closure Inc., Method of removing blemishes in compression molded articles

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee