KR20170130471A - 폴리에틸렌계 수지 적층 발포 시트의 제조 방법, 폴리에틸렌계 수지 적층 발포 시트 및 그것을 사용한 유리판용 간지 - Google Patents
폴리에틸렌계 수지 적층 발포 시트의 제조 방법, 폴리에틸렌계 수지 적층 발포 시트 및 그것을 사용한 유리판용 간지 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 제조 방법으로 얻어지는 폴리에틸렌계 수지 적층 발포 시트의 두께 방향의 모식 단면도이다.
2 발포층 3 대전 방지층
A 발포층을 형성하는 저밀도 폴리에틸렌 A
4 제 1 압출기 5 물리 발포제
6 발포층 형성용 용융 수지 조성물
B 대전 방지층을 형성하는 저밀도 폴리에틸렌 B
C 고분자형 대전 방지제 C 7 제 2 압출기
8 휘발성 가소제
9 대전 방지층 형성용 용융 수지 조성물
10 환상 다이 11 통 형상 적층 발포체
Claims (8)
- 발포층의 적어도 편면에 대전 방지층이 적층 접착된 두께가 0.05∼0.5㎜인 폴리에틸렌계 수지 적층 발포 시트를 제조하는 방법으로서,
저밀도 폴리에틸렌 A 및 물리 발포제를 혼련하여 이루어지는 발포층 형성용 용융 수지 조성물과, 저밀도 폴리에틸렌 B 및 대전 방지제를 혼련하여 이루어지는 대전 방지층 형성용 용융 수지 조성물을 다이 내에서 합류 적층시킨 적층물을 공압출하여 발포시키는 공정을 포함하고,
대전 방지제는 저밀도 폴리에틸렌 B와의 융점차가 -10℃∼+10℃의 범위 내의 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제 C인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 제 1 항에 있어서,
저밀도 폴리에틸렌 A 및 저밀도 폴리에틸렌 B의 멜트 플로우 레이트가 모두 10∼20g/10분인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
고분자형 대전 방지제 C의 융점이 120℃ 이하인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
고분자형 대전 방지제 C의 멜트 플로우 레이트에 대한 저밀도 폴리에틸렌 B의 멜트 플로우 레이트의 비(저밀도 폴리에틸렌 B의 멜트 플로우 레이트/고분자형 대전 방지제 C의 멜트 플로우 레이트)가 2 이하인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
대전 방지층의 평량이 1∼5g/㎡의 범위 내인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
대전 방지층에 있어서의 고분자형 대전 방지제 C의 배합량이 저밀도 폴리에틸렌 B 100질량부에 대하여 5∼300질량부인 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트의 제조 방법. - 저밀도 폴리에틸렌 A로 이루어지는 발포층의 적어도 편면에 저밀도 폴리에틸렌 B와 대전 방지제를 포함하는 대전 방지층이 적층 접착된 폴리에틸렌계 수지 적층 발포 시트로서,
발포 시트의 두께가 0.05㎜∼0.5㎜의 범위 내, 겉보기 밀도가 20∼450㎏/㎥의 범위 내이고,
대전 방지제가 저밀도 폴리에틸렌 B와의 융점차가 -10℃∼+10℃의 범위 내의 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제 C이고, 상기 고분자형 대전 방지제 C가 저밀도 폴리에틸렌 B 100질량부에 대하여 5∼300질량부 배합되어 있는 것을 특징으로 하는 폴리에틸렌계 수지 적층 발포 시트. - 제 7 항에 기재된 폴리에틸렌계 수지 적층 발포 시트로 이루어지는 유리판 간지.
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| CN107722417B (zh) * | 2017-09-20 | 2020-12-25 | 广德祥源新材科技有限公司 | 复合高导热缓冲辐照交联聚乙烯泡棉及其制备方法 |
| FR3076293B1 (fr) * | 2017-12-29 | 2022-11-18 | Saint Gobain | Procede de bombage de feuille de verre |
| JP7029354B2 (ja) * | 2018-06-01 | 2022-03-03 | 株式会社ジェイエスピー | ポリオレフィン系樹脂積層発泡シート、ガラス板用間紙及びポリオレフィン系樹脂積層発泡シートの製造方法 |
| CN108760834B (zh) * | 2018-06-05 | 2020-12-25 | 中国科学技术大学 | 一种通过半导体传感器探测挥发性增塑剂的方法 |
| JP7090534B2 (ja) * | 2018-12-05 | 2022-06-24 | 株式会社ジェイエスピー | ポリスチレン系樹脂多層発泡シートとそれを用いた間紙 |
| TWI831901B (zh) * | 2019-02-04 | 2024-02-11 | 日商Jsp股份有限公司 | 層壓發泡體片材之製造方法及擠出層壓發泡體片材 |
| JP7122273B2 (ja) * | 2019-02-27 | 2022-08-19 | 株式会社ジェイエスピー | 多層発泡シート |
| CN110128734A (zh) * | 2019-06-11 | 2019-08-16 | 宁波邦泰汽车配件有限公司 | 一种复合型tpe挤出发泡片的制备工艺 |
| JP7277281B2 (ja) * | 2019-06-24 | 2023-05-18 | 株式会社ジェイエスピー | ポリエチレン系樹脂積層発泡シート、ポリエチレン系樹脂積層発泡シートの製造方法 |
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| EP3275618B1 (en) | 2019-11-13 |
| CN107428057B (zh) | 2020-04-03 |
| EP3275618A4 (en) | 2018-09-05 |
| EP3275618A1 (en) | 2018-01-31 |
| CN107428057A (zh) | 2017-12-01 |
| WO2016152910A1 (ja) | 2016-09-29 |
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