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Thermotropic polyester carbonates. II. Polyester carbonates as high performance fibers (1988)

Lai, Y. C. ; Debona, B. T. ; Prevorsek, D. C.

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 36 (1988), S. 805-817

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ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: The fiber spinning and heat treatments of spun fibers from thermotropic polyester carbonates are described. Thermotropic polyester carbonates derived from t-butylhydroquinone, methylhy-droquinone, diphenyl terephthalate, and diphenyl carbonate in the molar ratios of 50 : 50 : 55 : 45; 50 : 50 : 57.5 : 42.5; can be spun successfully, and after proper heat treatment, yield fibers with tenacity as high as 20 g/denier. Normally the best spinning temperature is 10-20°C above melting.

Zusätzliches Material: 8 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/app.1988.070360406

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Digitale Medien

Thermotropic polyester carbonates. III. Thermotropic polyester carbonates as self-reinforced plastics (1988)

Lai, Y.-C. ; Debona, B. T. ; Prevorsek, D. C.

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 36 (1988), S. 819-827

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Details

ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: Thermotropic polyester carbonates derived from t-butylhydroquinone, methylhydroquinone, diphenyl terephthalate, and diphenyl carbonate in the molar ratio of 50 : 50 : 55 : 45; 50 : 50 : 57.5 : 5 : 42.5 and 50 : 50 : 60 : 40 can be injection molded successfully from temperatures 10°C below melting to 30-40°C above melting. Normally the best molding temperatures are 10-20°C above melting. If the molding conditions are controlled properly, tensile strengths as high as 1.8 × 104 psi, tensile moduli as high as 7.4 × 105 psi, and flex moduli as high as 1.1 × 106 psi can be obtained.

Zusätzliches Material: 4 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/app.1988.070360407

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