RESIN COMPOSITION FOR POLISHING PAD AND PREPARATION METHOD POLISHING PAD

• Main Authors: YUN SUNGHOON, SEO JANG WON, KWON TAE KYOUNG, LEE JUNG NAM
• Format: Patent
• Language: English; Korean
• Published: 05.12.2022
• Subjects: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MAKING GRANULES OR PREFORMS; MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention relates to a resin composition mixing device for manufacturing a polishing pad and the like, comprising: a raw material mixing unit for manufacturing mixed raw materials including a prepolymer and a foaming agent; a filter unit connected to the raw material mixing unit and filtering the mixed raw material; and a pad composition forming unit connected to the filter unit to manufacture a curable mixture including a filtered mixed raw material and a curing agent, wherein the raw material mixing unit includes a plurality of rotating means having different rotational speeds from each other. 본 발명은 연마패드 제조용 수지 조성물 혼합 장치 등에 관한 것으로, 프리폴리머와 발포제를 포함하는 혼합원료를 마련하는 원료 혼합부; 상기 원료 혼합부와 연결되어 있고 상기 혼합원료를 필터링하는 필터유닛; 그리고 상기 필터유닛과 연결되어 필터링된 혼합원료와 경화제를 포함하는 경화성 혼합물을 마련하는 패드 조성물 형성부; 를 포함하며, 상기 원료 혼합부는, 서로 회전 속도가 상이한 복수의 회전수단을 포함한다.