JP5725957B2 - 架橋ポリオレフィン系発泡体の製造方法 - Google Patents
架橋ポリオレフィン系発泡体の製造方法 Download PDFInfo
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- JP5725957B2 JP5725957B2 JP2011093766A JP2011093766A JP5725957B2 JP 5725957 B2 JP5725957 B2 JP 5725957B2 JP 2011093766 A JP2011093766 A JP 2011093766A JP 2011093766 A JP2011093766 A JP 2011093766A JP 5725957 B2 JP5725957 B2 JP 5725957B2
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- 239000006260 foam Substances 0.000 title claims description 57
- 229920000098 polyolefin Polymers 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000004088 foaming agent Substances 0.000 claims description 29
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 22
- 239000003431 cross linking reagent Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 11
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 229920005672 polyolefin resin Polymers 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 20
- 238000005187 foaming Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 15
- 229910021529 ammonia Inorganic materials 0.000 description 10
- -1 polyethylene Polymers 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- MJSQSKNNMZQLQZ-UHFFFAOYSA-N 1-butylperoxy-2-propan-2-ylbenzene Chemical group CCCCOOC1=CC=CC=C1C(C)C MJSQSKNNMZQLQZ-UHFFFAOYSA-N 0.000 description 1
- YGLLDLZWOUVWCY-UHFFFAOYSA-N 1-butylperoxyhex-1-yne Chemical group C(CCC)OOC#CCCCC YGLLDLZWOUVWCY-UHFFFAOYSA-N 0.000 description 1
- UJXFNIQSAHCTTA-UHFFFAOYSA-N 1-butylperoxyhexane Chemical group CCCCCCOOCCCC UJXFNIQSAHCTTA-UHFFFAOYSA-N 0.000 description 1
- BDCLTORUANJIBT-UHFFFAOYSA-N 3-butylperoxy-1,1,5-trimethylcyclohexane Chemical group CCCCOOC1CC(C)CC(C)(C)C1 BDCLTORUANJIBT-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- 229920003355 Novatec® Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000007875 V-40 Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- BXIQXYOPGBXIEM-UHFFFAOYSA-N butyl 4,4-bis(tert-butylperoxy)pentanoate Chemical compound CCCCOC(=O)CCC(C)(OOC(C)(C)C)OOC(C)(C)C BXIQXYOPGBXIEM-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- RLAWWYSOJDYHDC-BZSNNMDCSA-N lisinopril Chemical compound C([C@H](N[C@@H](CCCCN)C(=O)N1[C@@H](CCC1)C(O)=O)C(O)=O)CC1=CC=CC=C1 RLAWWYSOJDYHDC-BZSNNMDCSA-N 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location 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
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005678 polyethylene based resin Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
本発明で得られた発泡体の収縮は、取り出した直後のサイズ(L0)と常温に1時間放置した後のサイズ(L1)を測定し、収縮率を下記の式にて算出し、−5%以下の場合、収縮なしと判定した。
収縮率=(L1−L0)×100/L0
本発明で得られた発泡体のアンモニア濃度を下記の方法にて測定した。
発泡体0.2gを200ccのフラスコに入れ、80℃のオーブン中に2時間放置した後取り出して放冷し、アンモニア検知管(株式会社ガステック製)にて測定した。アンモニア濃度10ppm以下を低臭気と判定した。
(実施例1〜18及び比較例1〜15)
まず、各実施例及び比較例で用いた架橋ポリオレフィン系発泡体の原料を以下に示す。
発泡剤1:炭酸水素ナトリウム(商品名:セルボンFE−507R、粒径25〜30μm、永和化成工業株式会社製)
発泡剤2:炭酸水素ナトリウム(商品名:セルボンFE−507、粒径10〜15μm、永和化成工業株式会社製)
架橋剤1:ジクミルパーオキサイド(商品名:パークミルD、日本油脂株式会社製)
架橋剤2:n−ブチル−4,4−ジ(t−ブチルパーオキシ)バレエート(商品名:パーヘキサV−40、日本油脂株式会社製)
得られた発泡体を放置して冷却し、収縮の有無を確認した。収縮しなかった発泡体は、見掛け密度とアンモニア濃度を測定した。それらの結果も表1、表2及び表3に示す。
得られた発泡体を放置して収縮の有無を確認した。収縮しなかった発泡体は、見掛け密度とアンモニア濃度を測定した。それらの結果を表4〜表7に示す。
第一工程温度を180℃に変えた比較例14の発泡体は、冷却後収縮した。
Claims (2)
- ポリオレフィン系樹脂100重量部に発泡剤として粒径が20μm以上である炭酸水素ナトリウム5〜20重量部及び架橋剤を添加混練し、得られた架橋性発泡性組成物をプレス圧5〜30kg/cm2下、150〜170℃で加熱した後、除圧し、発泡体を生成させることを特徴とする架橋ポリオレフィン系発泡体の製造方法。
- ポリオレフィン系樹脂100重量部に発泡剤として粒径が20μm以上である炭酸水素ナトリウム5〜20重量部及び架橋剤を添加混練し、得られた架橋性発泡性組成物をプレス圧5〜30kg/cm2下、150〜170℃で加熱し、組成物中の発泡剤を部分的に分解させた状態で除圧して、中間発泡体を生成させる第一工程と、次いで、該中間発泡体を第一工程よりも20℃以上低い温度で加熱して、未分解で残存する発泡剤を分解する第二工程からなることを特徴とする架橋ポリオレフィン系発泡体の製造方法。
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Families Citing this family (3)
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FR2993889B1 (fr) * | 2012-07-27 | 2014-08-22 | Michelin & Cie | Composition de caoutchouc thermo-expansible pour pneumatique |
JP6449605B2 (ja) * | 2014-09-30 | 2019-01-09 | 三和化工株式会社 | 架橋ポリオレフィン系発泡体の製造方法 |
JP7027183B2 (ja) * | 2018-01-31 | 2022-03-01 | 株式会社イノアックコーポレーション | ポリオレフィン系架橋発泡体とその製造方法 |
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JPH10251428A (ja) * | 1997-03-07 | 1998-09-22 | Sanwa Kako Co Ltd | プラスチック発泡体の製造方法 |
JPH1128737A (ja) * | 1997-07-10 | 1999-02-02 | Monteru J P O Kk | 発泡成形体の製造方法 |
JP2007083477A (ja) * | 2005-09-21 | 2007-04-05 | Sumitomo Chemical Co Ltd | ポリオレフィン系樹脂架橋発泡体の製造方法 |
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