IT1064794B - Filamenti elastomerici segmentati e procedimento per la loro preparazione - Google Patents

Filamenti elastomerici segmentati e procedimento per la loro preparazione

Info

Publication number
IT1064794B
IT1064794B IT25683/76A IT2568376A IT1064794B IT 1064794 B IT1064794 B IT 1064794B IT 25683/76 A IT25683/76 A IT 25683/76A IT 2568376 A IT2568376 A IT 2568376A IT 1064794 B IT1064794 B IT 1064794B
Authority
IT
Italy
Prior art keywords
procedure
preparation
elastomeric filaments
segmented elastomeric
segmented
Prior art date
Application number
IT25683/76A
Other languages
English (en)
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
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1064794B publication Critical patent/IT1064794B/it

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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
    • C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
    • C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
    • C08G18/4252—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids derived from polyols containing polyether groups and polycarboxylic acids
    • 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
    • D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT25683/76A 1975-07-24 1976-07-23 Filamenti elastomerici segmentati e procedimento per la loro preparazione IT1064794B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/599,014 US3994881A (en) 1975-07-24 1975-07-24 Spandex process and product based on tetra-halogenated diisocyanates and diamines

Publications (1)

Publication Number Publication Date
IT1064794B true IT1064794B (it) 1985-02-25

Family

ID=24397848

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25683/76A IT1064794B (it) 1975-07-24 1976-07-23 Filamenti elastomerici segmentati e procedimento per la loro preparazione

Country Status (9)

Country Link
US (1) US3994881A (it)
JP (1) JPS5834563B2 (it)
CA (1) CA1092281A (it)
DE (1) DE2633301C2 (it)
ES (1) ES450112A1 (it)
FR (1) FR2318954A1 (it)
GB (1) GB1519422A (it)
IT (1) IT1064794B (it)
NL (1) NL183201C (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8300885A1 (es) * 1980-06-20 1982-11-01 Du Pont Un procedimiento mejorado para la preparacion de una fibra spandex.
US4871818A (en) * 1986-09-30 1989-10-03 E. I. Du Pont De Nemours And Company Polyester-based spandex filament
US4767828A (en) * 1986-09-30 1988-08-30 E. I. Du Pont De Nemours And Company Polyester-based spandex filament
US4837292A (en) * 1987-12-17 1989-06-06 E. I. Dupont De Nemours And Company Article of spandex having polycarbonate soft segment
US4798880A (en) * 1987-12-30 1989-01-17 E. I. Du Pont De Nemours And Company Spandex formed with a mixture of diamines
DE3855365T2 (de) * 1988-03-14 1996-10-31 Corvita Corp Polyurethane
US6372834B1 (en) * 1999-12-15 2002-04-16 Dupont Toray-Co. Ltd. Stabilized spandex
US6503996B1 (en) 2001-11-14 2003-01-07 Dupont Dow Elastomers L.L.C. High-uniformity spandex and process for making spandex
JP2006512427A (ja) * 2002-10-28 2006-04-13 タイコ ヘルスケア グループ エルピー 迅速に硬化する組成物
WO2009023138A2 (en) 2007-08-10 2009-02-19 Bayer Materialscience Llc Thermoplastic polyurethane copolymer molding compositions
US8242232B2 (en) * 2008-05-02 2012-08-14 Dow Global Technologies Llc Copolymers with amorphous polyamide segments
TWI825116B (zh) * 2018-07-06 2023-12-11 英商萊卡英國有限公司 得自陽離子聚胺基甲酸酯的可酸性染色的彈性纖維
JP2025541069A (ja) * 2022-12-12 2025-12-18 ザ ライクラ カンパニー エルエルシー 分解性弾性ポリウレタン組成物

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1217058B (de) * 1963-09-07 1966-05-18 Bayer Ag Verfahren zur Herstellung hochelastischer Folien oder Faeden nach dem Isocyanat-Polyadditionsverfahren
US3415790A (en) * 1964-06-29 1968-12-10 Eastman Kodak Co Removing unreacted diisocyanates from macrodiisocyanates and polymerizing to form segmented polyurethane copolymers
NL148622B (nl) * 1964-06-30 1976-02-16 Du Pont Elastische vezel.
US3401143A (en) * 1966-03-24 1968-09-10 Goodyear Tire & Rubber Method of making pigmented polyesterurethanes and said product
GB1192390A (en) * 1967-08-11 1970-05-20 Ici Ltd Polyurethanes
US3553290A (en) * 1968-04-10 1971-01-05 Du Pont Spandex fibers stabilized with condensates of substituted phenols and divinyl benzenes
US3600358A (en) * 1969-01-28 1971-08-17 Allied Chem Polyurethane-urea elastomers prepared from 4,4'-methylene bis (cyclohexyl-isocyanate),neopentyl adipate and an aromatic diamine
US3870683A (en) * 1970-11-12 1975-03-11 Gulf Oil Canada Ltd Light stable polyurethanes based on dicyclohexyl and diisocyanates
US3663506A (en) * 1970-11-18 1972-05-16 Union Carbide Corp Stabilization of urethane polymers with substituted ureas

Also Published As

Publication number Publication date
JPS5215622A (en) 1977-02-05
GB1519422A (en) 1978-07-26
ES450112A1 (es) 1977-11-16
NL183201C (nl) 1988-08-16
FR2318954A1 (fr) 1977-02-18
DE2633301A1 (de) 1977-02-17
JPS5834563B2 (ja) 1983-07-27
AU1602976A (en) 1978-01-26
NL183201B (nl) 1988-03-16
DE2633301C2 (de) 1986-08-07
CA1092281A (en) 1980-12-23
NL7608224A (nl) 1977-01-26
US3994881A (en) 1976-11-30
FR2318954B1 (it) 1980-09-26

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