KR102392965B1 - 폴리에틸렌계 수지 압출 발포 시트의 제조 방법, 폴리에틸렌계 수지 압출 발포 시트 및 그것을 사용한 유리판용 간지 - Google Patents
폴리에틸렌계 수지 압출 발포 시트의 제조 방법, 폴리에틸렌계 수지 압출 발포 시트 및 그것을 사용한 유리판용 간지 Download PDFInfo
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- KR102392965B1 KR102392965B1 KR1020177027914A KR20177027914A KR102392965B1 KR 102392965 B1 KR102392965 B1 KR 102392965B1 KR 1020177027914 A KR1020177027914 A KR 1020177027914A KR 20177027914 A KR20177027914 A KR 20177027914A KR 102392965 B1 KR102392965 B1 KR 102392965B1
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- South Korea
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- polyethylene
- antistatic agent
- seet
- foam sheet
- low
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/204—Plasma displays
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/03—Extrusion of the foamable blend
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- C—CHEMISTRY; METALLURGY
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C08J2203/00—Foams characterized by the expanding agent
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- C08J2203/204—Ternary blends of expanding agents of chemical foaming agent and physical blowing agents
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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Abstract
Description
Claims (7)
- 저밀도 폴리에틸렌, 물리 발포제 및 대전 방지제를 함유하는 발포성 용융 수지 조성물을 압출하고 발포시켜서 폴리에틸렌계 수지 압출 발포 시트를 제조하는 방법으로서,
발포 시트의 두께가 0.05~0.5㎜의 범위 내이며, 저밀도 폴리에틸렌의 멜트 플로우 레이트가 15g/10분 이상이고, 대전 방지제로서 저밀도 폴리에틸렌과의 융점차가 -10~+10℃의 범위 내의 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제를 사용하는 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법. - 제 1 항에 있어서,
상기 고분자형 대전 방지제의 융점이 120℃ 이하인 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
고분자형 대전 방지제의 멜트 플로우 레이트에 대한 저밀도 폴리에틸렌의 멜트 플로우 레이트의 비(저밀도 폴리에틸렌의 멜트 플로우 레이트/고분자형 대전 방지제의 멜트 플로우 레이트)가 2 이하인 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 저밀도 폴리에틸렌 100질량부에 대하여, 고분자형 대전 방지제가 3~25질량부의 범위 내에서 배합되어 있는 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조 방법. - 대전 방지제를 함유하고, 기재 수지가 저밀도 폴리에틸렌인 폴리에틸렌계 수지 압출 발포 시트로서,
두께가 0.05㎜~0.5㎜의 범위 내, 겉보기 밀도가 20~450kg/㎥의 범위 내이며, 저밀도 폴리에틸렌의 멜트 플로우 레이트가 15g/10분 이상이고, 대전 방지제가 저밀도 폴리에틸렌과의 융점차가 -10℃~+10℃의 범위 내인 융점을 갖고, 또한 멜트 플로우 레이트가 10g/10분 이상인 고분자형 대전 방지제인 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트. - 제 5 항에 기재된 폴리에틸렌계 수지 압출 발포 시트로 이루어지는 유리판용 간지.
- 제 1 항 또는 제 2 항에 있어서,
상기 발포 시트가, 권취해서 이루어지는 롤체인 것을 특징으로 하는 폴리에틸렌계 수지 압출 발포 시트의 제조방법.
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JP2015108856A JP6506619B2 (ja) | 2015-03-26 | 2015-05-28 | ポリエチレン系樹脂押出発泡シートの製造方法、ポリエチレン系樹脂押出発泡シート及びそれを用いたガラス板用間紙 |
PCT/JP2016/059055 WO2016152878A1 (ja) | 2015-03-26 | 2016-03-22 | ポリエチレン系樹脂押出発泡シートの製造方法、ポリエチレン系樹脂押出発泡シート及びそれを用いたガラス板用間紙 |
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