CA995621A - Process of irradiating an ethylene-vinyl acetate copolymer to produce low melt index copolymers, and products of said process - Google Patents

Process of irradiating an ethylene-vinyl acetate copolymer to produce low melt index copolymers, and products of said process

Info

Publication number
CA995621A
CA995621A CA070,226A CA70226A CA995621A CA 995621 A CA995621 A CA 995621A CA 70226 A CA70226 A CA 70226A CA 995621 A CA995621 A CA 995621A
Authority
CA
Canada
Prior art keywords
irradiating
ethylene
products
vinyl acetate
acetate copolymer
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
CA070,226A
Inventor
James E. Potts
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of CA995621A publication Critical patent/CA995621A/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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0844—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using X-ray
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/085—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using gamma-ray
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0872—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using ion-radiation, e.g. alpha-rays
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0883—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using neutron radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2031/00—Use of polyvinylesters or derivatives thereof as moulding material
    • B29K2031/04—Polymers of vinyl acetate, e.g. PVAc, i.e. polyvinyl acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0085—Copolymers
CA070,226A 1967-01-18 1969-12-18 Process of irradiating an ethylene-vinyl acetate copolymer to produce low melt index copolymers, and products of said process Expired CA995621A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61003367A 1967-01-18 1967-01-18
CA5296 1967-11-16

Publications (1)

Publication Number Publication Date
CA995621A true CA995621A (en) 1976-08-24

Family

ID=25665765

Family Applications (1)

Application Number Title Priority Date Filing Date
CA070,226A Expired CA995621A (en) 1967-01-18 1969-12-18 Process of irradiating an ethylene-vinyl acetate copolymer to produce low melt index copolymers, and products of said process

Country Status (1)

Country Link
CA (1) CA995621A (en)

Similar Documents

Publication Publication Date Title
AU447481B2 (en) Process for making ethylene-vinyl acetate copolymers of low melt index, and wax compositions containing the copolymers
CA995621A (en) Process of irradiating an ethylene-vinyl acetate copolymer to produce low melt index copolymers, and products of said process
CA743138A (en) Unsaturated beta-diketones and polymers and copolymers thereof and process for their preparation
CA823296A (en) Olefin copolymers and process for their preparation
CA771748A (en) Branched oxymethylene copolymers and method of preparation
CA771172A (en) Substituted hexahydro-1,4-diazepines and process for their preparation
CA727717A (en) Xylene-modified polyethylene, and process for its preparation
CA1005950A (en) Hydrophilic polymers, articles and methods of making same
AU411811B2 (en) Vinyl acetate copolymers and process of making same
CA770217A (en) Oxymethylene polymers and process of manufacture
CA754230A (en) Block polymers, composition containing them, and process of preparing certain block polymers
CA747465A (en) Ethylene-vinyl acetate copolymer and wax composition
AU436143B2 (en) Lactonization of butadiene-methacrylic acid copolymers and product produced thereby
CA809736A (en) Copolymers of ethylene-vinyl-acetate and norborna-2.5-diene
CA732278A (en) Ethylene copolymers and process for their production
CA769120A (en) Thermostabilized oxymethylene-diol copolymers and process for their manufacture
CA748003A (en) Olefin copolymers and process for preparing same
CA750007A (en) Organoboron polymers and method for their preparation
CA769046A (en) Organostannoxy titanoxane polymers and copolymers and the process of making same
CA769122A (en) High molecular weight copolymers of trioxane and polyformals and process for preparing them
CA740960A (en) Ethylene-vinyl acetate copolymer, pitch composition
CA775617A (en) Ethylene polymer, ethylene-vinyl acetate copolymer and wax composition
CA763014A (en) Aldehyde copolymers and their preparation
AU4528068A (en) Lactonization of butadiene-methacrylic acid copolymers and product produced thereby
CA773159A (en) Oxymethylene polymer compositions and methods for making same