PROCESSING METHOD OF POLYOLEFIN ELASTOMER COPOLYMER HAVING ULTRA LOW DENSITY AND HIGH ELASTIC PROPERTY AND POLYOLEFIN ELASTOMER COPOLYMER PRODUCED THEREBY

• Main Authors: PARK MIN KYU, KWON O HAK, CHOI SUAK HUAN, LEE GI JEONG, CHOI JONG HWA
• Format: Patent
• Language: English; Korean
• Published: 31.03.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention provides a preparation method of a polyolefin elastomer copolymer that comprises a step (a) of inputting one type of olefin monomer selected from a liquid 1-butene monomer, a 1-hexene monomer, and a 1-octene monomer; ethylene gas; and a Ziegler-Natta type Ti-supported catalyst into a reactor; and a step (b) of performing a polymerization reaction at 50 to 7 ℃, and a polymer for an automotive interior and exterior material, shoes, or cable sheathing, which comprises the polyolefin elastomer copolymer prepared thereby. 본 발명은 (a) 반응기에 액체 상태의 1-부텐 단량체, 1-헥센 단량체 및 1-옥텐 단량체 중에서 선택되는 1종의 올레핀 단량체; 에틸렌 가스; 및 지글러-나타 타입의 Ti 담지 촉매를 투입하는 단계; 및 (b) 50~70℃에서 중합반응을 수행하는 단계;를 포함하는 폴리올레핀 엘라스토머 공중합체의 제조방법 및 그에 의하여 제조된 폴리올레핀 엘라스토머 공중합체가 포함된 자동차 내외장제, 신발, 또는 케이블 피복제용 폴리머를 제공한다.