• Patent Title: Plastic intermediate film, laminate including same, and mobility means including same
  • Application No.: US17580099
    Application Date: 2022-01-20
  • Publication No.: US11648756B2
    Publication Date: 2023-05-16
  • Inventor: Hyejin KimHaksoo Lee
  • Applicant: SKC Co., Ltd.
  • Applicant Address: KR Suwon-si
  • Assignee: SKC Co., Ltd.
  • Current Assignee: SKC Co., Ltd.
  • Current Assignee Address: KR Suwon-si
  • Agency: NSIP Law
  • Priority: KR 20190144755 2019.11.13
  • Main IPC: B32B17/10
  • IPC: B32B17/10
Plastic intermediate film, laminate including same, and mobility means including same
Abstract:
The plastic intermediate film includes a sound insulating layer, wherein the sound insulating layer comprises a polyvinyl acetal resin, a plasticizer, and a refractive index regulator, wherein the refractive index regulator is particles with average diameter (D50) of 100 nm or less and has an absolute refractive index of 2.0 or more, wherein the refractive index regulator is comprised in an amount of more than 0 wt % and 1 wt % or less based on the entire sound insulating layer, and wherein the plasticizer is comprised in an amount of 33 to 41 wt % based on the entire sound insulating layer.
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