IT946139B - POWDERS FOR MOLDING OF TRAFLUOROETHYLENE POLYTHENE - Google Patents

POWDERS FOR MOLDING OF TRAFLUOROETHYLENE POLYTHENE

Info

Publication number
IT946139B
IT946139B IT3228671A IT3228671A IT946139B IT 946139 B IT946139 B IT 946139B IT 3228671 A IT3228671 A IT 3228671A IT 3228671 A IT3228671 A IT 3228671A IT 946139 B IT946139 B IT 946139B
Authority
IT
Italy
Prior art keywords
trafluoroethylene
polythene
powders
molding
trafluoroethylene polythene
Prior art date
Application number
IT3228671A
Other languages
Italian (it)
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 filed Critical
Application granted granted Critical
Publication of IT946139B publication Critical patent/IT946139B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/08—Making granules by agglomerating smaller particles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
IT3228671A 1970-12-11 1971-12-11 POWDERS FOR MOLDING OF TRAFLUOROETHYLENE POLYTHENE IT946139B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5901670 1970-12-11
GB3495071A GB1369980A (en) 1970-12-11 1971-07-26 Polytetrafluoroethylene moulding powders

Publications (1)

Publication Number Publication Date
IT946139B true IT946139B (en) 1973-05-21

Family

ID=26262511

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3228671A IT946139B (en) 1970-12-11 1971-12-11 POWDERS FOR MOLDING OF TRAFLUOROETHYLENE POLYTHENE

Country Status (6)

Country Link
JP (1) JPS5417783B1 (en)
DE (1) DE2161858C3 (en)
FR (1) FR2117685A5 (en)
GB (1) GB1369980A (en)
IT (1) IT946139B (en)
NL (1) NL170425C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980612A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Company Process for reducing filler loss during polytetrafluoroethylene agglomeration
US3980596A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Co. Process for reducing filler loss
JP3774985B2 (en) 1997-04-24 2006-05-17 ダイキン工業株式会社 Polytetrafluoroethylene granular powder and process for producing the same
KR20010021601A (en) * 1997-08-01 2001-03-15 이노우에 노리유끼 Process for producing granular polytetrafluoroethylene powder
US6911489B2 (en) * 2002-06-10 2005-06-28 Asahi Glass Fluoropolymers Usa, Inc. Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby

Also Published As

Publication number Publication date
FR2117685A5 (en) 1972-07-21
NL170425B (en) 1982-06-01
DE2161858B2 (en) 1980-06-04
JPS5417783B1 (en) 1979-07-03
NL170425C (en) 1982-11-01
GB1369980A (en) 1974-10-09
DE2161858C3 (en) 1981-02-12
DE2161858A1 (en) 1972-06-29
NL7116978A (en) 1972-06-13

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