ES410411A1 - Un procedimiento para la preparacion de un elastomero de copoliester termoplastico segmentado. - Google Patents

Un procedimiento para la preparacion de un elastomero de copoliester termoplastico segmentado.

Info

Publication number
ES410411A1
ES410411A1 ES410411A ES410411A ES410411A1 ES 410411 A1 ES410411 A1 ES 410411A1 ES 410411 A ES410411 A ES 410411A ES 410411 A ES410411 A ES 410411A ES 410411 A1 ES410411 A1 ES 410411A1
Authority
ES
Spain
Prior art keywords
ester
forming equivalents
equivalents
forming
dicarboxylic acid
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
ES410411A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of ES410411A1 publication Critical patent/ES410411A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66Polyesters containing oxygen in the form of ether groups
    • C08G63/668Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/672Dicarboxylic acids and dihydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Un procedimiento para la preparación de un elastómero de copoliéster termoplástico segmentado que comprende una multiplicidad de unidades éster de cadena larga intralineales periódicas, derivados de un ácido dicarboxílico o de sus equivalentes formadores de éster y un glicol de cadena larga o sus equivalentes formadores de éster y unidades éster de cadena corta derivadas de un ácido dicarboxílico o de sus equivalentes formadores de éster y un diol de bajo peso molecular o sus equivalentes formadores de éster, estando unidas dichas unidades éster cabeza a cola a través de uniones éster y preparado por reacción de: (A) uno o más ácidos dicarboxílicos con un peso molecular inferior a 300 o sus equivalentes formadores de éster, (B) uno o mas dioles de bajo peso molecular , inferior a 250 aproximadamente, o sus equivalentes formadores de éster y © uno o más poli(óxido de alquileno ) glicoles con un peso molecular de 400 a 4000 aproximadamente o sus equivalentes formadores de éster donde (1) lasunidades éster de cadena corta constituyen alrededor del 25 al 65 % del peso de dicho copoliéster, (2) por lo menos alrededor del 70% del ácido dicarboxílico utilizado es el ácido tereftálico o sus equivalentes formadores de éster y por lo menos alrededor del 70% del diol de bajo peso molecular es 1,4 (3) la suma de los porcentajes del ácido dicarboxílico que no es ácido tereftálico o sus equivalentes formadores de éster y el porcentaje del diol de bajo peso molecular que no es 1,4-butanodiol o sus equivalentes formadores de éster no pasa de 30 aproximadamente, cuyo procedimiento se caracteriza porque la relación de carbono a oxígeno del poli (óxido de alquileno) glicol o sus equivalentes formadores de éster es alrededor de 2,0 a 2,4.
ES410411A 1972-01-26 1973-01-05 Un procedimiento para la preparacion de un elastomero de copoliester termoplastico segmentado. Expired ES410411A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22109872A 1972-01-26 1972-01-26

Publications (1)

Publication Number Publication Date
ES410411A1 true ES410411A1 (es) 1975-12-16

Family

ID=22826341

Family Applications (1)

Application Number Title Priority Date Filing Date
ES410411A Expired ES410411A1 (es) 1972-01-26 1973-01-05 Un procedimiento para la preparacion de un elastomero de copoliester termoplastico segmentado.

Country Status (15)

Country Link
US (1) US3784520A (es)
JP (1) JPS4884195A (es)
AR (1) AR203264A1 (es)
AU (1) AU466780B2 (es)
BE (1) BE793332A (es)
BR (1) BR7300577D0 (es)
CA (1) CA987830A (es)
DE (1) DE2263046C3 (es)
ES (1) ES410411A1 (es)
FR (1) FR2169052B1 (es)
GB (1) GB1403210A (es)
IT (1) IT973059B (es)
NL (1) NL162941B (es)
SE (1) SE406916B (es)
ZA (1) ZA7383B (es)

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US4328333A (en) * 1981-04-24 1982-05-04 Eastman Kodak Company Copolyesterethers
CA1177593A (en) * 1981-05-01 1984-11-06 Daniel W. Fox Polycarbonate/poly(ethylene terephthalate) resin solutions
US4652617A (en) * 1981-05-01 1987-03-24 General Electric Company Polycarbonate/ester hetero group condensation polymer blends
US4371693A (en) * 1981-10-02 1983-02-01 E. I. Du Pont De Nemours And Company Thermoplastic elastomeric polyetheresterimides
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US6610795B2 (en) 2001-08-10 2003-08-26 E. I. Du Pont De Nemours And Company Process to produce poly(alkylene ether) glycol-containing polyesters
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GB1092435A (en) * 1964-05-15 1967-11-22 Ici Ltd Copolyesters
BE753040A (fr) * 1969-07-18 1970-12-16 Du Pont Elastomeres de copolyesters thermoplastiques segmentes

Also Published As

Publication number Publication date
BE793332A (fr) 1973-04-16
DE2263046B2 (de) 1978-08-17
ZA7383B (en) 1973-09-26
NL7300516A (es) 1973-07-30
SE406916B (sv) 1979-03-05
CA987830A (en) 1976-04-20
DE2263046A1 (de) 1973-08-16
GB1403210A (en) 1975-08-28
DE2263046C3 (de) 1983-05-11
US3784520A (en) 1974-01-08
AU5042372A (en) 1974-06-27
NL162941B (nl) 1980-02-15
AU466780B2 (en) 1974-06-27
FR2169052B1 (es) 1976-11-05
JPS4884195A (es) 1973-11-08
FR2169052A1 (es) 1973-09-07
IT973059B (it) 1974-06-10
AR203264A1 (es) 1975-08-29
BR7300577D0 (pt) 1973-12-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19900227