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Применить Всего найдено 2. Отображено 2.
04-01-2021 дата публикации

ADHESIVE RESIN COMPOSITION WITH IMPROVED THIXOTROPY AND DIFFUSIVITY RESIN ARTICLE AND THERMAL SHRINKABLE ADHESIVE TUBE USING THE SAME

Номер: KR102197750B1
Автор: KIM JEOM SIK, KIM DONG HOON, KIM JI HWAN
Принадлежит: SD KOREA CO LTD, SD KOREA CO., LTD.

Provided are a hot-melt adhesive resin composition with improved thixotropy and diffusivity at the same time, and a resin molded article and a heat-shrinkable adhesive tube prepared therefrom. The adhesive resin composition includes: 20 to 50 wt% of a first polyamide resin having a softening point of 110 to 160°C; 30 to 65 wt% of a second polyamide resin having a softening point lower than that of the first polyamide resin and having a softening point of 70 to 110°C; and 1 to 40 wt% of a polyolefin copolymer having a melting point of 80 to 130°C. A hot-melt adhesive prepared by using the adhesive resin composition according to the present invention has improved thixotropy and diffusivity at the same time, excellent heat resistance, and reduced surface tackiness, thereby improving extrusion processability.

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Номер записи: 1
12-01-2021 дата публикации

1 ONE-PART TYPE POLYURETHANE RESIN COMPOSITION HAVING IMPROVED ADHESIVE SPEED AND METHOD OF PREPARING THE SAME

Номер: KR102201491B1
Автор: HAN SANG KYU, KIM JEOM SIK
Принадлежит: SD KOREA CO LTD, SD KOREA CO., LTD.

The present invention provides a polyurethane prepolymer capable of being applied as a one-liquid type adhesive composition with improved adhesive force, a polyurethane resin composition, and a method for preparing the same. According to the method for preparing a polyurethane prepolymer, 1 equivalent part of polypropylene glycol having a weight average molecular weight of 1,800 to 2,200 is reacted with 1.8 to 2.2 equivalent parts of toluene diisocyanate in a reactor; 1.8 to 2.2 equivalent parts of neopentyl glycol is added to the reactor and reacted to prepare an intermediate; the intermediate is reacted with trimethylolpropane and polycarbodiimide diphenylmethane diisocyanate, in which 0.4 to 0.5 equivalent parts of the trimethylolpropane and 2.3 to 2.7 equivalent parts of polycarbodiimide are reacted based on 1 equivalent part of the intermediate, so as to prepare the polyurethane prepolymer.

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Номер записи: 2