KR100885154B1 - 통기성과 인장강도가 향상된 통기성 필름의 제조방법 - Google Patents
통기성과 인장강도가 향상된 통기성 필름의 제조방법 Download PDFInfo
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- KR100885154B1 KR100885154B1 KR1020070105403A KR20070105403A KR100885154B1 KR 100885154 B1 KR100885154 B1 KR 100885154B1 KR 1020070105403 A KR1020070105403 A KR 1020070105403A KR 20070105403 A KR20070105403 A KR 20070105403A KR 100885154 B1 KR100885154 B1 KR 100885154B1
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- Prior art keywords
- film
- inorganic filler
- weight
- breathable film
- parts
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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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
- 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
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/66—Substances characterised by their function in the composition
- C08L2666/72—Fillers; Inorganic pigments; Reinforcing additives
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
컴파운드 조성 및 평가 결과 | 비교예 1 | 실시예 1 | 비교예 2 | 실시예 2 |
선형저밀도 폴리에틸렌(M.I.= 3.0.밀도 =0.923, 1400원/㎏,공중합 단량체=헥센 | 50 | 50 | ||
선형저밀도 폴리에틸렌(M.I.= 2.0.밀도 =0.918, 1500원/㎏, 공중합 단량체 = 옥텐) | 50 | 50 | ||
탄산칼슘 파우다(평균입경=2미크론) | 50 | 25 | 45 | 20 |
탄산칼슘 파우다(평균입경=1미크론) | 25 | 30 | ||
저밀도 폴리에틸렌(LDPE)(M.I.=5.0) | 0.3 | 0.3 | 0.3 | 0.3 |
산화방지제(이가늑스 B 225) | 0.3 | 0.3 | 0.3 | 0.3 |
촬제(칼슘스테아레이트/징크스테아레이트=1:1) | 0.3 | 0.3 | 0.3 | 0.3 |
통기도(g/㎡·24hrs) | 8000 | 10000 | 5000 | 7000 |
투습도(WVTR g/㎡·24hrs) | 5000 | 5200 | 2000 | 2100 |
인장강도(MD/TD) | 1500/500 | 1700/600 | 1700/500 | 1700/600 |
신율(MD/TD) | 150/400 | 170/470 | 160/480 | 170/490 |
Claims (2)
- 밀도 0.913~0.930g/cc의 폴리에틸렌계수지 40~80중량부와 평균 입경 1미크론인 무기충진재 30~10중량부와 평균 입경 2미크론인 무기충진재 30~10중량부로 구성되는 조성물을 용융성형한 필름을 1.5~ 5배의 연신배율로 연신하는 것으로 특징으로 하는 통기성 필름의 제조방법.
- 제 1항에 있어서, 상기 무기충전재는 탄산칼슘 또는 황산바륨 중 선택된 1종 또는 이들의 혼합물인 것을 특징으로 하는 통기성 필름의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070105403A KR100885154B1 (ko) | 2007-10-19 | 2007-10-19 | 통기성과 인장강도가 향상된 통기성 필름의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070105403A KR100885154B1 (ko) | 2007-10-19 | 2007-10-19 | 통기성과 인장강도가 향상된 통기성 필름의 제조방법 |
Publications (1)
Publication Number | Publication Date |
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KR100885154B1 true KR100885154B1 (ko) | 2009-02-25 |
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KR1020070105403A KR100885154B1 (ko) | 2007-10-19 | 2007-10-19 | 통기성과 인장강도가 향상된 통기성 필름의 제조방법 |
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KR (1) | KR100885154B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR870006976A (ko) * | 1986-01-21 | 1987-08-13 | 도쯔까 야스아끼 | 폴리올레핀다공성필름 및 그 제조방법 |
JPS63162734A (ja) | 1986-12-26 | 1988-07-06 | Mitsui Toatsu Chem Inc | 多孔性フイルムの製造方法 |
KR970065622A (ko) * | 1996-03-27 | 1997-10-13 | 조규향 | 통기성 필름용 컴파운드 조성물 |
JPH11116714A (ja) | 1997-10-17 | 1999-04-27 | Tokuyama Corp | 多孔性フィルム |
-
2007
- 2007-10-19 KR KR1020070105403A patent/KR100885154B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR870006976A (ko) * | 1986-01-21 | 1987-08-13 | 도쯔까 야스아끼 | 폴리올레핀다공성필름 및 그 제조방법 |
JPS63162734A (ja) | 1986-12-26 | 1988-07-06 | Mitsui Toatsu Chem Inc | 多孔性フイルムの製造方法 |
KR970065622A (ko) * | 1996-03-27 | 1997-10-13 | 조규향 | 통기성 필름용 컴파운드 조성물 |
JPH11116714A (ja) | 1997-10-17 | 1999-04-27 | Tokuyama Corp | 多孔性フィルム |
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