ES2019182A6 - A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. - Google Patents

A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers.

Info

Publication number
ES2019182A6
ES2019182A6 ES8903885A ES8903885A ES2019182A6 ES 2019182 A6 ES2019182 A6 ES 2019182A6 ES 8903885 A ES8903885 A ES 8903885A ES 8903885 A ES8903885 A ES 8903885A ES 2019182 A6 ES2019182 A6 ES 2019182A6
Authority
ES
Spain
Prior art keywords
stabilizing
compositions
long
improve
thermoplastic polymers
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 - Fee Related
Application number
ES8903885A
Other languages
Spanish (es)
Inventor
Joseph Silbermann
William L 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.)
M&T Chemicals Inc
Original Assignee
M&T Chemicals Inc
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 M&T Chemicals Inc filed Critical M&T Chemicals Inc
Priority to ES8903885A priority Critical patent/ES2019182A6/en
Publication of ES2019182A6 publication Critical patent/ES2019182A6/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers, particularly vinyl polymers which contain halogens such as poly(vinyl chloride). The improved stabilizing compositions combine one or more primary stabilizing compounds which contain metal with a finely divided co- stabilizing phosphate material with a predetermined specific area. The phosphate material includes a sodium or potassium monohydrogen phosphate, lithium dihydrogen phosphate, or alkali metal, anhydrous or hydrated pyrophosphate. The new combination of stabilizers allows a reduction in the amount of stabilizer which contains metal, if desired, while it still produces long-term stability in the resultant polymer, or provides the possibility of raising the processing temperature and reducing the cycle times of the moulding operations.
ES8903885A 1989-11-15 1989-11-15 A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers. Expired - Fee Related ES2019182A6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8903885A ES2019182A6 (en) 1989-11-15 1989-11-15 A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8903885A ES2019182A6 (en) 1989-11-15 1989-11-15 A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers.

Publications (1)

Publication Number Publication Date
ES2019182A6 true ES2019182A6 (en) 1991-06-01

Family

ID=8264884

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8903885A Expired - Fee Related ES2019182A6 (en) 1989-11-15 1989-11-15 A stabilizing composition to improve the long-term melt stability of compositions of thermoplastic polymers.

Country Status (1)

Country Link
ES (1) ES2019182A6 (en)

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2009-11-15

FD1A Patent lapsed

Effective date: 20010503