JP6764186B2 - ゴミ袋用樹脂組成物、ゴミ袋及びゴミ袋の製造方法 - Google Patents
ゴミ袋用樹脂組成物、ゴミ袋及びゴミ袋の製造方法 Download PDFInfo
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- JP6764186B2 JP6764186B2 JP2016153113A JP2016153113A JP6764186B2 JP 6764186 B2 JP6764186 B2 JP 6764186B2 JP 2016153113 A JP2016153113 A JP 2016153113A JP 2016153113 A JP2016153113 A JP 2016153113A JP 6764186 B2 JP6764186 B2 JP 6764186B2
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- 239000010813 municipal solid waste Substances 0.000 title claims description 54
- 239000011342 resin composition Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 44
- 229920005989 resin Polymers 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- 229920001903 high density polyethylene Polymers 0.000 claims description 23
- 239000004700 high-density polyethylene Substances 0.000 claims description 23
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 22
- 238000000465 moulding Methods 0.000 claims description 19
- 239000000155 melt Substances 0.000 claims description 13
- 239000000470 constituent Substances 0.000 claims description 12
- 229920005992 thermoplastic resin Polymers 0.000 description 14
- 238000004898 kneading Methods 0.000 description 13
- 230000007423 decrease Effects 0.000 description 7
- 229920001684 low density polyethylene Polymers 0.000 description 7
- 239000004702 low-density polyethylene Substances 0.000 description 7
- -1 polypropylene Polymers 0.000 description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229920001179 medium density polyethylene Polymers 0.000 description 3
- 239000004701 medium-density polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 238000002356 laser light scattering Methods 0.000 description 2
- 235000019359 magnesium stearate Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Description
重量平均分子量=Σ(M×w)/Σw
数平均分子量=Σw/Σ(w/M)
(ただし、Mは分子量、wは重量分率である。)
[実施例1]
炭酸カルシウム(レーザー光散乱型粒度分布計で測定した個数平均粒径5.0μm、ステアリン酸表面処理)60質量%と、メルトマスフローレイトが0.3g/10分、分子量分布Mw/Mnが20.8である高密度ポリエチレン樹脂(HDPE1)40質量%と、炭酸カルシウム及び樹脂の合計量に対し2%のステアリン酸マグネシウムとを添加し、2軸の混練・押出成形評価試験装置((株)東洋精機製作所製)により、混練性を比較しながら、実施例1に樹脂組成物を調製した。混練温度230℃,スクリュー回転速度10rpmで混練した。運転が安定した後のトルク値(N・m)を測定し表1に示した。
高密度ポリエチレンとして、メルトマスフローレイトが0.8g/10分、分子量分布Mw/Mnが7.7である高密度ポリエチレン樹脂(HDPE2)と、メルトマスフローレイトが0.4、分子量分布Mw/Mnが5.4である高密度ポリエチレン樹脂(HDPE3)とを1:1で混合した以外は、実施例1と同様の方法で実施例2に係る樹脂組成物を調製した。また、実施例2に係る樹脂組成物について、実施例1と同様の方法でトルク値(N・m)を測定し表1に示した。
炭酸カルシウム(レーザー光散乱型粒度分布計で測定した個数平均粒径5.0μm、表面処理無又は表面処理有)と、高密度ポリエチレン樹脂(HDPE1又はHDPE2)とを下記の表2で示す配合比で、かつ、炭酸カルシウム及びポリエチレン樹脂の合計量に対し2%のステアリン酸マグネシウムとを添加し、2軸の混練・押出成形機(日立造船(株)社製)により、混練温度250℃,スクリュー径100mm、スクリュー回転速度100〜120rpmで混練した。成形後押出成形機に付属した延伸装置で1.8倍に延伸して、物性測定用の試料(実施例3〜実施例8)を作成した。各試料(実施例3〜実施例8)の測定結果を表2に示す。表中の破断点強度は、JIS C2151に基づいて測定した値である。表中の不透明性は、JIS P8149で測定し、透明性が高いものを×、透明性が低いものを〇とする。
Claims (5)
- ゴミ袋用樹脂組成物であって、
組成物全体の質量に対して60質量%以上の炭酸カルシウムと、分子量分布が5.0〜30.0である構成樹脂とを、含み、
前記構成樹脂が高密度ポリエチレンからなり、
前記ゴミ袋用樹脂組成物が、前記構成樹脂以外の樹脂成分を含まない、
ゴミ袋用樹脂組成物。 - 前記高密度ポリエチレンのメルトマスフローレイトが1.0g/10分以下である、請求項1に記載のゴミ袋用樹脂組成物。
- 請求項1又は2に記載の樹脂組成物により形成されたゴミ袋。
- 請求項1又は2に記載の樹脂組成物を袋状に成形する工程を有するゴミ袋の製造方法。
- 前記工程は、インフレーション方式による成形を含む請求項4に記載のゴミ袋の製造方法。
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CN116368081A (zh) * | 2020-09-16 | 2023-06-30 | 日本三尼帕克株式会社 | 聚乙烯系树脂组合物、聚乙烯系树脂包装材料以及它们的制造方法 |
WO2022074731A1 (ja) * | 2020-10-06 | 2022-04-14 | 日本サニパック株式会社 | 樹脂組成物、樹脂組成物により成形されたフィルム、及び、フィルムの製造方法 |
WO2022224333A1 (ja) * | 2021-04-20 | 2022-10-27 | 日本サニパック株式会社 | ポリエチレン系樹脂組成物およびポリエチレン系樹脂包装材 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6143640A (ja) * | 1984-08-07 | 1986-03-03 | Karupu Kogyo Kk | 樹脂組成物 |
JP2665843B2 (ja) * | 1991-07-15 | 1997-10-22 | 丸善ポリマー株式会社 | 無機質充填ポリエチレンフィルム用組成物 |
JPH07156954A (ja) * | 1993-12-01 | 1995-06-20 | Asahi Jushi Kogyo Kk | 多層インフレーションフィルム |
JP3244907B2 (ja) * | 1993-12-29 | 2002-01-07 | 日本石油化学株式会社 | 易焼却性ゴミ袋 |
JPH11322950A (ja) * | 1998-05-19 | 1999-11-26 | Nissen Chemitec Corp | マスターバッチ |
JP2000178383A (ja) * | 1998-12-15 | 2000-06-27 | Tosoh Corp | インフレーション成形用ポリエチレン樹脂組成物 |
JP2010126663A (ja) * | 2008-11-28 | 2010-06-10 | Japan Polyethylene Corp | フィルム用高密度ポリエチレン樹脂組成物 |
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