KR920002658A - Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method - Google Patents

Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method Download PDF

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Publication number
KR920002658A
KR920002658A KR1019900011587A KR900011587A KR920002658A KR 920002658 A KR920002658 A KR 920002658A KR 1019900011587 A KR1019900011587 A KR 1019900011587A KR 900011587 A KR900011587 A KR 900011587A KR 920002658 A KR920002658 A KR 920002658A
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KR
South Korea
Prior art keywords
polyphenylene sulfide
heat resistance
mechanical strength
improved mechanical
temperature
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Application number
KR1019900011587A
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Korean (ko)
Inventor
정종구
유영출
김양기
Original Assignee
공정곤
동양 나이론 주식회사
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Priority to KR1019900011587A priority Critical patent/KR920002658A/en
Publication of KR920002658A publication Critical patent/KR920002658A/en

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Abstract

내용 없음No content

Description

기계적 강도와 내열성이 향상된 폴리페닐렌설파이드 및 그 제조방법Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (2)

소디움설파이드와 파라티클로로벤젠을 원료로 하여 극성용매인 N-메틸피롤리디논 중에서 중합하여 제조되는 폴리페닐렌설파이드에 있어서, 용융점도 200poise이상, 유리전이온도는 87℃이상이고, 결정화에너지가 10Cal/g 인것을 특징으로 하는 기계적 강도와 내열성이 향상된 폴리 페닐렌설파이드.Polyphenylene sulfide prepared by polymerization in sodium sulfide and paratichlorobenzene as a polar solvent in N-methylpyrrolidinone, having a melt viscosity of at least 200 poise, a glass transition temperature of at least 87 ° C, and a crystallization energy of 10 Cal Polyphenylene sulfide with improved mechanical strength and heat resistance, characterized in that / g. 소디움설파이드 1몰에 대하여 N-메틸피롤리디논 3내지 20몰을반응기에 넣고 서서히 승온하여 소디움설파이드의 결정수를 완전히 게거한 후, 파라디클로로벤젠 0.85 내지 1.15몰을 투입하여 240 내지 270℃의 온도에서 1 내지 20시간 중합하고, 반응기의 온도를 서서히 낮춘 후 폴리머를 배출, 90℃ 이상의 증류수로 세척·건조하는 것을 특지으로 하는 기계적 강도와 내열성이 향상된 폴리페닐렌설파이드의 제조방법.3 to 20 mol of N-methylpyrrolidinone was added to the reactor with respect to 1 mol of sodium sulfide, and the temperature was gradually raised to completely remove the crystal water of sodium sulfide. Then, 0.85 to 1.15 mol of paradichlorobenzene was added thereto at a temperature of 240 to 270 ° C. A method for producing polyphenylene sulfide with improved mechanical strength and heat resistance, characterized in that the polymerization is carried out for 1 to 20 hours, the temperature of the reactor is gradually lowered, and then the polymer is discharged and washed and dried with distilled water of 90 ° C. or higher. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900011587A 1990-07-30 1990-07-30 Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method KR920002658A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900011587A KR920002658A (en) 1990-07-30 1990-07-30 Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900011587A KR920002658A (en) 1990-07-30 1990-07-30 Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method

Publications (1)

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KR920002658A true KR920002658A (en) 1992-02-28

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KR1019900011587A KR920002658A (en) 1990-07-30 1990-07-30 Polyphenylene sulfide with improved mechanical strength and heat resistance and its manufacturing method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010044212A (en) * 2001-01-04 2001-06-05 김창수 Process for producing linear high molecular weight polyphenylene sulfide
KR20190075843A (en) 2017-12-21 2019-07-01 주식회사 엘지화학 Polyarylene sulfide resin composition, preparation method thereof and article produced therefrom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010044212A (en) * 2001-01-04 2001-06-05 김창수 Process for producing linear high molecular weight polyphenylene sulfide
KR20190075843A (en) 2017-12-21 2019-07-01 주식회사 엘지화학 Polyarylene sulfide resin composition, preparation method thereof and article produced therefrom

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