JP7197607B2 - 抗菌・紫外線遮蔽多機能化学繊維 - Google Patents
抗菌・紫外線遮蔽多機能化学繊維 Download PDFInfo
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Description
ステップ(1)において、可溶性金属塩と高分子複合分散剤とを1:0.02-0.5の質量比で水に溶解し、可溶性金属塩の質量濃度が5-10%の水溶液を調整し、ポリマー単量体における前記溶性金属塩のモル濃度が0.01-0.5Mとなるように、激しく攪拌しながら前記水溶液をポリマー単量体に入れ、温度が130-180℃のマイクロ波又は水熱条件下で30-50分間反応させ、含水率が2%以下に制御されるように、真空状態下で水分を蒸発除去することにより、ナノ酸化物を含むポリマー単量体が得られ、前記可溶性金属塩は、亜鉛、マグネシウム、カルシウム、チタン、銅、アルミニウム、ジルコニウム、バリウム、ストロンチウム、シリコンの化合物からなる群より選択される2種又は複数種であり、前記高分子複合分散剤は、ポリアクリルアミド、ポリアクリル酸、ポリビニルピロリドン、ポリビニルアルコール、ポリ無水マレイン酸、ポリクオタニウム、ポリエチレングリコール、ポリウレタン、ポリアミド、アミノ酸からなる群より選択され、前記ポリマー単量体は、エタノール、アセトン、エチレングリコール、プロピレングリコール、ブチレングリコール、グリセロール、プロパノール、エチレンジアミン、カプロラクタム、アミノ酸からなる群より選択され、
ステップ(2)において、重合反応の開始段階又は中間段階で、ステップ(1)で得られたナノ酸化物を含むポリマー単量体を通常のポリマー単量体及び重合に必要な他の単量体に入れ、十分に混合した後、通常のポリマー単量体の重合プロセス条件で重合反応させることにより、抗菌・紫外線遮蔽多機能ポリマー溶融体が得られ、
ステップ(3)において、ステップ(2)で得られたポリマー溶融体を紡糸することにより、抗菌・紫外線遮蔽多機能化学繊維が得られるか、又はポリマー溶融体をストリップキャスティングしてスライスすることにより、抗菌・紫外線遮蔽多機能母粒子切片が得られる、製造方法を提供する。
1.化学繊維重合で用いられる単量体の一つを媒体とし、そのまま5nm未満なナノ酸化物をその場で合成することにより、再び分散する必要がなく、他の重合単量体との相溶性が良好である。
(実施例1)
硫酸チタン、酢酸亜鉛、ポリエチレングリコールを0.5:0.5:0.1の質量比で水に溶解し、6%の水溶液を調製した。水溶液を激しく攪拌しながら5000mlのエチレングリコールに徐々に加えた後、電子レンジに置き、温度150℃の条件下で40分間反応させた後、冷却し、粒子サイズが5nm以下のナノ金属酸化物を含むエチレングリコール単量体を得た。さらに、真空状態下で含水率が2%以下となるように水分を蒸発し、前記ナノ金属酸化物を含むエチレングリコール単量体、テレフタル酸をモル比1.2:1でエステル化重合反応釜に入れ、さらに質量%で触媒三酸化アンチモン0.05%、安定化剤リン酸トリエチル0.02%を加え、釜圧2.0MPa、温度200℃の条件下で1時間エステル化反応させ、その後、真空システムをオンにし、270℃まで昇温し、2.5時間重縮合反応させた後、生成物を糸状に吐出し、冷却し、成形することにより、抗菌・紫外線遮蔽機能を有するポリエステル繊維が得られた。
酢酸銅、酢酸亜鉛、硫酸チタン、ポリビニルピロリドンを0.4:0.3:0.3:0.2の質量比で水に溶解し、7%の水溶液を調製し、水溶液を激しく攪拌しながら5000mlの1,3-プロピレングリコールに徐々に加え、電子レンジに置き、温度170℃の条件下で30分間反応させた後、冷却し、粒子サイズが5nm以下のナノ金属酸化物を含む1,3-プロピレングリコール単量体を得た。さらに、真空状態下で含水率が2%以下となるように水分を蒸発し、ナノ金属酸化物を含む1,3-プロピレングリコール単量体とテレフタル酸ジメチルとをモル比1.5:1、触媒チタン酸テトラブチル0.05%、安定化剤リン酸トリエチル0.03%を反応釜に加え、窒素ガスの保護下で、釜圧0.1MPa、210℃下で1時間エステル化させ、その後、重縮合反応釜に転移し、高真空下で250℃まで昇温し、重縮合を開始し、4.5時間反応させた後、生成物を糸状に吐出し、冷却し、スライスすることにより、抗菌・紫外線遮蔽PPT化学繊維母粒子が得られた。
硫酸チタン、硝酸亜鉛、オキシ塩化ジルコニル及びポリエチレングリコールを0.3:0.4:0.3:0.5の質量比で水に溶解し、6%の水溶液を調製し、水溶液を激しく攪拌しながら5000mlのアジピン酸に徐々に加え、水熱反応釜に置き、160℃下で40分間反応させ、冷却し、粒子サイズが5nm以下のナノ金属酸化物を含むアジピン酸単量体を得た後、カプロラクタム単量体及び少量の水、酢酸コバルト、ナイロン単量体塩などの物質を反応釜に加え、窒素雰囲気、釜圧2.0MPa、235℃下で4時間反応させた後、ナノ金属酸化物を含むアジピン酸単量体を加え、引き続き2時間反応させ、ポリエチレングリコールソフトセグメント、触媒チタン酸テトラブチルを加え、247℃まで昇温し、引き続き2時間反応させ、抗菌・紫外線遮蔽PA6溶融体を得、反応終了後、生成物を糸状に吐出し、冷却し、スライスすることにより、抗菌・紫外線遠赤外線遮蔽PA6ナイロン母粒子が得られた。
Claims (2)
- 以下のステップ(1)-(3)を含む抗菌・紫外線遮蔽多機能化学繊維の製造方法であって、
ステップ(1)において、可溶性金属塩と高分子複合分散剤とを1:0.02-0.5の質量比で水に溶解し、可溶性金属塩の質量濃度が5-10%の水溶液を調整し、ポリマー単量体における前記溶性金属塩のモル濃度が0.01-0.5Mとなるように、激しく攪拌しながら前記水溶液をポリマー単量体に入れ、温度が130-180℃のマイクロ波又は水熱条件下で30-50分間反応させ、含水率が2%以下に制御されるように、真空状態下で水分を蒸発除去することにより、ナノ酸化物を含むポリマー単量体が得られ、前記可溶性金属塩は、亜鉛、マグネシウム、カルシウム、チタン、銅、アルミニウム、ジルコニウム、バリウム、ストロンチウム、シリコンの化合物からなる群より選択される2種又は複数種であり、前記高分子複合分散剤は、ポリアクリルアミド、ポリアクリル酸、ポリビニルピロリドン、ポリビニルアルコール、ポリ無水マレイン酸、ポリクオタニウム、ポリエチレングリコール、ポリウレタン、ポリアミド、アミノ酸からなる群より選択され、前記ポリマー単量体は、エチレングリコール、プロピレングリコール、ブチレングリコール、グリセロール、エチレンジアミン、カプロラクタム、アミノ酸からなる群より選択され、
ステップ(2)において、重合反応の開始段階又は中間段階で、ステップ(1)で得られたナノ酸化物を含むポリマー単量体を通常のポリマー単量体及び重合に必要な他の単量体に入れ、十分に混合した後、通常のポリマー単量体の重合プロセス条件で重合反応させることにより、抗菌・紫外線遮蔽多機能ポリマー溶融体が得られ、
ステップ(3)において、ステップ(2)で得られたポリマー溶融体を紡糸することにより、抗菌・紫外線遮蔽多機能化学繊維が得られることを特徴とする、製造方法。 - 前記ステップ(2)において、前記通常のポリマーは、PET、PBT、PTT、PA、ABS、PP、PE、PVC、PUからなる群より選択されることを特徴とする、請求項1に記載の製造方法。
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