ES399651A1 - Un procedimiento para la preparacion de un elastomero ter- moplastico segmentado. - Google Patents

Un procedimiento para la preparacion de un elastomero ter- moplastico segmentado.

Info

Publication number
ES399651A1
ES399651A1 ES399651A ES399651A ES399651A1 ES 399651 A1 ES399651 A1 ES 399651A1 ES 399651 A ES399651 A ES 399651A ES 399651 A ES399651 A ES 399651A ES 399651 A1 ES399651 A1 ES 399651A1
Authority
ES
Spain
Prior art keywords
ester
forming
molecular weight
equivalents
low molecular
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
ES399651A
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 ES399651A1 publication Critical patent/ES399651A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/672—Dicarboxylic 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)
ES399651A 1971-03-18 1972-02-10 Un procedimiento para la preparacion de un elastomero ter- moplastico segmentado. Expired ES399651A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12586071A 1971-03-18 1971-03-18

Publications (1)

Publication Number Publication Date
ES399651A1 true ES399651A1 (es) 1974-11-16

Family

ID=22421773

Family Applications (1)

Application Number Title Priority Date Filing Date
ES399651A Expired ES399651A1 (es) 1971-03-18 1972-02-10 Un procedimiento para la preparacion de un elastomero ter- moplastico segmentado.

Country Status (13)

Country Link
US (1) US3766146A (es)
AU (1) AU463751B2 (es)
BE (1) BE779683A (es)
BR (1) BR7201570D0 (es)
CA (1) CA976295A (es)
DE (2) DE2213128C3 (es)
ES (1) ES399651A1 (es)
FR (1) FR2130378B1 (es)
GB (1) GB1372630A (es)
IT (1) IT947589B (es)
NL (1) NL158823B (es)
SE (2) SE407072B (es)
ZA (1) ZA72703B (es)

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US20230406025A1 (en) 2020-10-26 2023-12-21 Covestro Deutschland Ag Layer structure with engraving as visible security element
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Also Published As

Publication number Publication date
NL158823B (nl) 1978-12-15
GB1372630A (en) 1974-11-06
SE8600189L (sv) 1986-01-16
DE2213128A1 (de) 1972-09-21
DE2213128B2 (de) 1977-06-02
DE2265294B2 (de) 1980-07-03
US3766146A (en) 1973-10-16
FR2130378B1 (es) 1974-08-02
BE779683A (fr) 1972-06-16
SE8600189D0 (sv) 1986-01-16
DE2213128C3 (de) 1986-03-27
ZA72703B (en) 1972-10-25
DE2265294A1 (de) 1977-04-21
AU463751B2 (en) 1975-08-07
FR2130378A1 (es) 1972-11-03
AU3890572A (en) 1973-08-16
CA976295A (en) 1975-10-14
NL7203622A (es) 1972-09-20
IT947589B (it) 1973-05-30
BR7201570D0 (pt) 1974-01-02
SE407072B (sv) 1979-03-12

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