BR8900961A - POLY Yarn (P-PHENYLENETEREFTALAMIDE) AND PROCESS TO PREPARE A POLY Yarn (P-PHENYLENOTEREFTALAMIDE) - Google Patents

POLY Yarn (P-PHENYLENETEREFTALAMIDE) AND PROCESS TO PREPARE A POLY Yarn (P-PHENYLENOTEREFTALAMIDE)

Info

Publication number
BR8900961A
BR8900961A BR898900961A BR8900961A BR8900961A BR 8900961 A BR8900961 A BR 8900961A BR 898900961 A BR898900961 A BR 898900961A BR 8900961 A BR8900961 A BR 8900961A BR 8900961 A BR8900961 A BR 8900961A
Authority
BR
Brazil
Prior art keywords
poly yarn
phenylenotereftalamide
phenylenetereftalamide
prepare
yarn
Prior art date
Application number
BR898900961A
Other languages
Portuguese (pt)
Inventor
Hung Han Yang
Minshon J Chiou
Original Assignee
Du Pont
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 US07/162,967 external-priority patent/US4859393A/en
Application filed by Du Pont filed Critical Du Pont
Publication of BR8900961A publication Critical patent/BR8900961A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D01F6/605—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides
BR898900961A 1988-03-02 1989-03-02 POLY Yarn (P-PHENYLENETEREFTALAMIDE) AND PROCESS TO PREPARE A POLY Yarn (P-PHENYLENOTEREFTALAMIDE) BR8900961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/162,967 US4859393A (en) 1988-03-02 1988-03-02 Method of preparing poly (p-phenyleneterephthalamide) yarns of improved fatigue resistance

Publications (1)

Publication Number Publication Date
BR8900961A true BR8900961A (en) 1989-10-24

Family

ID=22587880

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900961A BR8900961A (en) 1988-03-02 1989-03-02 POLY Yarn (P-PHENYLENETEREFTALAMIDE) AND PROCESS TO PREPARE A POLY Yarn (P-PHENYLENOTEREFTALAMIDE)

Country Status (2)

Country Link
AU (1) AU607104B2 (en)
BR (1) BR8900961A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122012A (en) * 1979-03-13 1980-09-19 Asahi Chem Ind Co Ltd Poly-p-phenylene terephthalamide fiber having improved fatigue resistance and its production
US4726922A (en) * 1985-04-04 1988-02-23 E. I. Du Pont De Nemours And Company Yarn drying process
US4883634A (en) * 1986-05-30 1989-11-28 E. I. Du Pont De Nemours And Company Process for manufacturing a high modulus poly-p-phenylene terephthalamide fiber

Also Published As

Publication number Publication date
AU607104B2 (en) 1991-02-21
AU3087189A (en) 1989-09-07

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 02/03/2004