JP6951801B1 - 弾性繊維用処理剤及び弾性繊維 - Google Patents
弾性繊維用処理剤及び弾性繊維 Download PDFInfo
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- JP6951801B1 JP6951801B1 JP2020158555A JP2020158555A JP6951801B1 JP 6951801 B1 JP6951801 B1 JP 6951801B1 JP 2020158555 A JP2020158555 A JP 2020158555A JP 2020158555 A JP2020158555 A JP 2020158555A JP 6951801 B1 JP6951801 B1 JP 6951801B1
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- Prior art keywords
- treatment agent
- fatty acid
- unsaturated fatty
- metal salt
- elastic fiber
- Prior art date
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 109
- 210000004177 elastic tissue Anatomy 0.000 title claims abstract description 74
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 48
- 150000003839 salts Chemical class 0.000 claims abstract description 47
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims abstract description 43
- 238000009499 grossing Methods 0.000 claims abstract description 42
- 239000010696 ester oil Substances 0.000 claims abstract description 13
- 239000002480 mineral oil Substances 0.000 claims abstract description 12
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 8
- -1 phosphate compound Chemical class 0.000 claims description 107
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- 229910019142 PO4 Inorganic materials 0.000 claims description 28
- 239000010452 phosphate Substances 0.000 claims description 28
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 11
- 150000001298 alcohols Chemical class 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
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- 238000000034 method Methods 0.000 description 16
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- 125000000217 alkyl group Chemical group 0.000 description 13
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- 238000012360 testing method Methods 0.000 description 7
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- 125000003118 aryl group Chemical group 0.000 description 5
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- ITRHZTGVVSWIDC-UHFFFAOYSA-N 11-methyl-1-(11-methyldodecoxy)dodecane Chemical compound CC(C)CCCCCCCCCCOCCCCCCCCCCC(C)C ITRHZTGVVSWIDC-UHFFFAOYSA-N 0.000 description 4
- XULHFMYCBKQGEE-UHFFFAOYSA-N 2-hexyl-1-Decanol Chemical compound CCCCCCCCC(CO)CCCCCC XULHFMYCBKQGEE-UHFFFAOYSA-N 0.000 description 4
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- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
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- 238000001556 precipitation Methods 0.000 description 3
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- LQXBZWFNAKZUNM-UHFFFAOYSA-N 16-methyl-1-(16-methylheptadecoxy)heptadecane Chemical compound CC(C)CCCCCCCCCCCCCCCOCCCCCCCCCCCCCCCC(C)C LQXBZWFNAKZUNM-UHFFFAOYSA-N 0.000 description 2
- SUQPHYAFSSXBNB-UHFFFAOYSA-N 16-methylheptadecyl dihydrogen phosphate Chemical compound CC(C)CCCCCCCCCCCCCCCOP(O)(O)=O SUQPHYAFSSXBNB-UHFFFAOYSA-N 0.000 description 2
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
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- 150000001340 alkali metals Chemical class 0.000 description 2
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- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/282—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing phosphorus
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Abstract
Description
上記弾性繊維用処理剤において、前記不飽和脂肪酸金属塩(B)が、不飽和脂肪酸アルカリ土類金属塩であることが好ましい。
上記弾性繊維用処理剤において、前記有機リン酸エステル化合物(C)が、有機リン酸エステル塩であることが好ましい。
以下、本発明の弾性繊維用処理剤(以下、処理剤ともいう)を具体化した第1実施形態を説明する。本実施形態の処理剤は、平滑剤(A)及び不飽和脂肪酸金属塩(B)を含む。さらに高級アルコール(D)を含み、任意選択で有機リン酸エステル化合物(C)を含む。
本実施形態において、本発明の効果を阻害しない範囲内において、上記以外の平滑剤を併用してもよい。上記以外の平滑剤としては、公知のものを適宜採用してもよい。上記以外の平滑剤としては、例えばポリオレフィン等が挙げられる。
処理剤中において、平滑剤(A)及び不飽和脂肪酸金属塩(B)の含有割合の合計を100質量部とすると、不飽和脂肪酸金属塩(B)を0.1〜10質量部の割合で含有することが好ましい。かかる範囲に規定されることにより、本発明の効果をより向上させる。
有機リン酸エステル化合物(C)として有機リン酸エステル塩が適用される場合、塩としては、例えばリン酸エステルアミン塩、リン酸エステル金属塩等が挙げられる。
参考例として、処理剤中における平滑剤(A)、不飽和脂肪酸金属塩(B)、及び有機リン酸エステル化合物(C)の含有割合の合計を100質量部とすると、不飽和脂肪酸金属塩(B)を0.1〜10質量部の割合で含有することが好ましい。かかる範囲に規定されることにより本発明の効果をより向上させる。
高級アルコールは、炭素数が多い炭化水素基を有する1価の脂肪族アルコールである。高級アルコールの炭素数は、6以上が好ましく、8〜24がより好ましく、12〜24がさらに好ましい。また、高級アルコールは、不飽和結合の有無について特に制限はなく、直鎖状又は分岐鎖状の炭化水素基を有するアルコールであってもよいし、環状のシクロ環を有するアルコールであってもよい。分岐鎖状の炭化水素基を有するアルコールの場合、その分岐位置は特に制限されるものではなく、例えば、α位が分岐した炭素鎖であってもよいし、β位が分岐した炭素鎖であってもよい。また、第1級アルコールであっても、第2級アルコールであってもよい。
これらの高級アルコール(D)は、一種類の高級アルコールを単独で使用してもよいし、又は二種以上の高級アルコールを適宜組み合わせて使用してもよい。
次に、本発明に係る弾性繊維を具体化した第2実施形態について説明する。本実施形態の弾性繊維は、第1実施形態の処理剤が付着している弾性繊維である。弾性繊維に対する第1実施形態の処理剤(溶媒を含まない)の付着量は、特に制限はないが、本発明の効果をより向上させる観点から0.1〜10質量%の割合で付着していることが好ましい。
(1)本実施形態の処理剤では、鉱物油、シリコーン油、及びエステル油から選ばれる少なくとも1つの平滑剤(A)、並びに不飽和脂肪酸金属塩(B)を配合して構成した。したがって、処理剤が付与された弾性繊維の形状特性、特にチーズ形状に巻き取った際、形状特性を向上させる。また、処理剤を保存、特に長期保存した際の安定性を向上させる。また、処理剤が付与された弾性繊維の平滑性及び綾落ち防止性を向上させる。
・上記実施形態の処理剤には、本発明の効果を阻害しない範囲内において、処理剤の品質保持のための安定化剤、制電剤、つなぎ剤、酸化防止剤、紫外線吸収剤等の通常処理剤に用いられる成分をさらに配合してもよい。
各実施例、各比較例に用いた処理剤は、表1に示される各成分を使用し、下記調製方法により調製した。
(平滑剤(A))
A−1:ジメチルシリコーン(10cst(mm2/s)、25℃)
A−2:鉱物油(40℃におけるレッドウッド粘度計での粘度が60秒)
A−3:鉱物油(40℃におけるレッドウッド粘度計での粘度が100秒)
A−4:イソトリデシルステアラート
(不飽和脂肪酸金属塩(B))
B−1:オレイン酸(C18:1)のマグネシウム塩
B−2:オレイン酸(C18:1)のカルシウム塩
B−3:リノール酸(C18:2)のマグネシウム塩
B−4:パルミトレイン酸(C16:1)のマグネシウム塩
B−5:ミリストレイン酸(C14:1)のマグネシウム塩
B−6:エルカ酸(C22:1)のマグネシウム塩
B−7:オレイン酸(C18:1)のナトリウム塩
B−8:パルミトレイン酸(C16:1)のカリウム塩
rb−1:ステアリン酸(C18)のマグネシウム塩
rb−2:オレイン酸(C18:1)
(有機リン酸エステル化合物(C))
C−1:ポリオキシエチレン(n=5)イソトリデシルエーテルのリン酸エステルのジブチルエタノールアミン塩
C−2:ポリオキシエチレン(n=25)イソオクタデシルエーテルのリン酸エステルのトリエチルアミン塩
C−3:ポリオキシプロピレン(n=10)イソオクチルエーテルのリン酸エステルのブチルモノエタノールアミン塩
C−4:イソトリデシルリン酸エステルのジブチルエタノールアミン塩
C−5:ポリオキシエチレン(n=5)イソトリデシルエーテルのリン酸エステルのカリウム塩
C−6:イソオクタデシルリン酸エステルのナトリウム塩
C−7:トリデシルリン酸エステルのジブチルエタノールアミン塩
C−8:ポリオキシエチレン(n=5)イソトリデシルエーテルのリン酸エステル
(高級アルコール(D))
D−1:2−ヘキシル−1−デカノール
D−2:2−(1,3,3−トリメチルブチル)−5,7,7−トリメチル−1−オクタノール
試験区分2(弾性繊維の製造)
分子量1000のポリテトラメチレングリコールとジフェニルメタンジイソシアネートとから得たプレポリマーをジメチルホルムアミド溶液中にてエチレンジアミンにより鎖伸長反応させ、濃度30%の紡糸ドープを得た。この紡糸ドープを紡糸口金から加熱ガス流中において乾式紡糸した。乾式紡糸したポリウレタン系弾性繊維に、試験区分1で調製した処理剤をローラーオイリング法でニート給油した。引き続いて、処理剤を付与したポリウレタン系弾性繊維をパッケージに巻き取り、20デニール(モノフィラメント)の処理済みポリウレタン系弾性繊維を得た。処理剤の付着量の調節は、給油ローラーの回転数を調整することで何れも5%となるように行った。
・安定性の評価
試験区分1で調製した処理剤を25℃で3ヵ月静置して、下記の基準で安定性を評価した。
〇(可):ごくわずかに沈殿を生じるが、撹拌によって調製時と同様に均一な状態に復元した場合
×(不可):沈殿、分離が生じ、撹拌によって均一な状態に復元しなかった場合
・形状特性の評価
20デニール(モノフィラメント)の乾式紡糸したポリウレタン系弾性繊維に試験区分1で調製した処理剤をローラー給油法で5.0%付着させた。そして巻き取り速度550m/分で、長さ57mmの円筒状紙管に、巻き幅42mmを与えるトラバースガイドを介して、サーフェイスドライブの巻取機を用いて500g巻き取り、ポリウレタン系弾性繊維のパッケージを得た。
○(可):バルジが3mm以上且つ6mm未満の場合
×(不可):バルジが6mm以上の場合
・平滑性の評価
摩擦測定メーター(エイコー測器社製、SAMPLEFRICTIONUNIT MODEL TB−1)を用い、二つのフリーローラー間に直径1cmで表面粗度2Sのクロムメッキ梨地ピンを配置し、このクロムメッキ梨地ピンに対し、前記のパッケージ(500g巻き)から引き出したポリウレタン系弾性繊維の接触角度が90度となるようにした。
○(可):摩擦係数が0.22以上且つ0.30未満。
×(不可):摩擦係数が0.30以上。
得られた紡糸直後の乾式紡糸ポリウレタン系弾性繊維パッケージ(500g巻き)を送り出し20m/分、巻き取り40m/分で1000m巻き取った場合のパッケージの綾落ちによる断糸の回数を次の基準で評価した。
○(可):綾落ちによる断糸が1回以上且つ3回未満である場合
×(不良):綾落ちによる断糸が3回以上である場合
表1の各比較例に対する各実施例の評価結果からも明らかなように、本発明の処理剤によると、処理剤が付与された弾性繊維の形状特性を向上できる。また、安定性、平滑性、綾落ち防止性を向上できる。
Claims (8)
- 平滑剤(A)としてシリコーン油、不飽和脂肪酸金属塩(B)、高級アルコール(D)、及び任意選択で有機リン酸エステル化合物(C)を含有し、
前記高級アルコール(D)を構成するアルコールは、ゲルベアルコールであることを特徴とする弾性繊維用処理剤。 - さらに平滑剤(A)として、鉱物油及びエステル油から選ばれる少なくとも1つを含有することを特徴とする請求項1に記載の弾性繊維用処理剤。
- 前記不飽和脂肪酸金属塩(B)が、不飽和脂肪酸アルカリ土類金属塩である請求項1又は2に記載の弾性繊維用処理剤。
- 前記不飽和脂肪酸金属塩(B)が、炭素数12〜24のものである請求項1〜3のいずれか一項に記載の弾性繊維用処理剤。
- 前記有機リン酸エステル化合物(C)が、有機リン酸エステル塩である請求項1〜4のいずれか一項に記載の弾性繊維用処理剤。
- 前記平滑剤(A)、前記不飽和脂肪酸金属塩(B)、及び前記高級アルコール(D)の含有割合の合計を100質量部とすると、前記不飽和脂肪酸金属塩(B)を0.1〜10質量部の割合で含有する請求項1〜4のいずれか一項に記載の弾性繊維用処理剤。
- 前記平滑剤(A)、前記不飽和脂肪酸金属塩(B)、前記有機リン酸エステル化合物(C)、及び前記高級アルコール(D)の含有割合の合計を100質量部とすると、前記不飽和脂肪酸金属塩(B)を0.1〜10質量部の割合で含有する請求項1〜5のいずれか一項に記載の弾性繊維用処理剤。
- 請求項1〜7のいずれか一項に記載の弾性繊維用処理剤が付着していることを特徴とする弾性繊維。
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