JP2018048415A - 繊維集合体及びその製造方法 - Google Patents
繊維集合体及びその製造方法 Download PDFInfo
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- JP2018048415A JP2018048415A JP2016183776A JP2016183776A JP2018048415A JP 2018048415 A JP2018048415 A JP 2018048415A JP 2016183776 A JP2016183776 A JP 2016183776A JP 2016183776 A JP2016183776 A JP 2016183776A JP 2018048415 A JP2018048415 A JP 2018048415A
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- Prior art keywords
- polymer
- fiber
- polyvinyl alcohol
- fiber assembly
- organic solvent
- Prior art date
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- 239000000835 fiber Substances 0.000 title claims abstract description 220
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
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- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 112
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 111
- 239000003960 organic solvent Substances 0.000 claims abstract description 58
- 239000002243 precursor Substances 0.000 claims abstract description 56
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 46
- 150000001412 amines Chemical class 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 42
- 238000000576 coating method Methods 0.000 claims abstract description 42
- 125000001453 quaternary ammonium group Chemical group 0.000 claims abstract description 36
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 23
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 42
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
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- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000004018 acid anhydride group Chemical group 0.000 abstract 3
- 239000000243 solution Substances 0.000 description 32
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- 238000000034 method Methods 0.000 description 31
- -1 etc.) Polymers 0.000 description 29
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- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 18
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- 238000010438 heat treatment Methods 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
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- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
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- VICYBMUVWHJEFT-UHFFFAOYSA-N dodecyltrimethylammonium ion Chemical compound CCCCCCCCCCCC[N+](C)(C)C VICYBMUVWHJEFT-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- RNYJXPUAFDFIQJ-UHFFFAOYSA-N hydron;octadecan-1-amine;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH3+] RNYJXPUAFDFIQJ-UHFFFAOYSA-N 0.000 description 3
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- 230000009257 reactivity Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
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- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 239000012773 agricultural material Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 235000015278 beef Nutrition 0.000 description 2
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- 239000003086 colorant Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
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Abstract
Description
(1)繊維集合体から5cm角の試料を採取する。
(2)前記試料を温度25℃に維持したN,N−ジメチルホルムアミド溶液に10分間浸漬する。
(3)10分後、溶液中から試料を引き上げた後、試料の4辺の長さ(L1、L2、L3、L4)を測定する。
(4)浸漬後の試料の4辺の長さから、次の式により寸法変化率(Rd、単位:%)を算出する。
(5)前記(1)〜(4)の操作を繰り返し、5枚の試料について寸法変化率を算出し、その寸法変化率の算術平均値を、繊維集合体の「寸法変化率」とする。
(1)繊維集合体から5cm角の試料を採取した後、試料の質量(Mb)を測定する。
(2)前記試料を温度25℃の水に10分間浸漬する。
(3)10分後、水中から試料を引き上げ、一対のローラ(線圧:0.86N/cm)で脱水した後、試料の質量(Ma)を測定する。
(4)浸漬前後の試料の質量から、次の式により質量増加率(Mi)を算出する。
Mi=[(Ma−Mb)/Mb]×100
(5)前記(1)〜(4)の操作を繰り返し、5枚の試料について質量増加率を算出し、その質量増加率の算術平均値を繊維集合体の「質量増加率」とする。
前述の方法により寸法変化率を算出した。
前述の方法により質量増加率を測定した。この質量増加率が100%以下であると、防水性に優れていると評価した。
ポリアクリロニトリル[アルドリッチ製]をN,N−ジメチルホルムアミドに溶解させ、濃度17mass%の紡糸液を調製した。
ノズル−ドラム間距離:10cm
ノズルからの吐出量:1cm3/時間
印加電圧:15−25kV
紡糸環境温度:25℃
紡糸環境湿度:40%RH
部分ケン化ポリビニルアルコール[平均重合度:140、ケン化度:80モル%]とメチルビニルエーテル/無水マレイン酸共重合体とを1/1の質量比で混合して被覆水溶液(ドデシルアミンを含まない、粘度:1mPa・s)を調製し、この被覆水溶液で前駆連続繊維表面を被覆したこと以外は、実施例1と同様にして、PVA系連続被覆繊維100%からなる不織布形態の繊維集合体を作製した。繊維集合体の物性は表1に示す通りであった。
実施例1の前駆連続繊維集合体を比較用の繊維集合体とした。この繊維集合体の物性は表1に示す通りであった。
ポリエーテルスルホン[スミカエクセル、5200P]をN,N−ジメチルアセトアミド/メチルエチルケトン(質量比:3/1)の混合溶媒に溶解させ、濃度20mass%の紡糸液を調製した。
ノズル−ドラム間距離:10cm
ノズルからの吐出量:1cm3/時間
印加電圧:15−25kV
紡糸環境温度:25℃
紡糸環境湿度:40%RH
完全ケン化ポリビニルアルコール[平均重合度:1000]と、メチルビニルエーテル/無水マレイン酸共重合体(メチルビニルエーテル1モル:無水マレイン酸1モル、分子量:22万、ALDRICH製)を、4/1の質量比で混合し、濃度15mass%の紡糸水溶液を調製した。
ノズル−ドラム間距離:10cm
ノズルからの吐出量:1cm3/時間
印加電圧:15−25kV
紡糸環境温度:25℃
紡糸環境湿度:40%RH
レーヨン繊維(繊維径:3.3dtex、繊維長51mm)、ポリプロピレン繊維(繊維径:2.2dtex、繊維長:50mm)及びポリプロピレン/ポリエチレン芯鞘型複合繊維(繊維径:1.7dtex、繊維長:51mm)を80/15/5の質量比で配合して繊維ウエブを形成した後、水流絡合法によって絡合して、不織布形態の前駆繊維集合体(目付:60g/m2、厚さ:340μm、平均繊維径:15μm)を形成した。
Claims (2)
- 有機溶媒に可溶又は親水性の第1ポリマーが、第2ポリマーで被覆された繊維を含む繊維集合体であり、前記第2ポリマーが、ポリビニルアルコール、カルボキシル基又は無水酸基を含むポリマー、及び炭素数6以上のアルキル基を有するアミン又は第四級アンモニウムが結合したポリマーであることを特徴とする、繊維集合体。
- 有機溶媒に可溶又は親水性の第1ポリマーからなる前駆繊維を含む前駆繊維集合体を形成する工程、
ポリビニルアルコール、カルボキシル基又は無水酸基を含むポリマー、及び炭素数6以上のアルキル基を有するアミン又は第四級アンモニウムを含む溶液で、前記前駆繊維集合体を被覆する工程、
前記溶液中の、ポリビニルアルコール、カルボキシル基又は無水酸基を含むポリマー、及び炭素数6以上のアルキル基を有するアミン又は第四級アンモニウムを結合させる工程、
を有することを特徴とする、繊維集合体の製造方法。
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JPH03503552A (ja) * | 1988-02-17 | 1991-08-08 | ザ ダウ ケミカル カンパニー | 繊維状基材の変性方法 |
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