JP2024068104A - 純粋なキトサン繊維の製造方法 - Google Patents
純粋なキトサン繊維の製造方法 Download PDFInfo
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- 229920001661 Chitosan Polymers 0.000 title claims abstract description 85
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Abstract
Description
A、キトサン→溶解→紡糸原液+濾過脱泡-計量→紡糸→一浴→延伸-二浴成形-後処理→乾燥→繊維を取得する。
B、キトサン→溶解された紡糸原液の濾過→脱泡-計量-紡糸→凝固→延伸→成形と後処理→乾燥→繊維を取得する。
酢酸溶液の調製ステップであって、水及び酢酸で構成され、酢酸の質量比が1w%~5w%であるステップS1と、
キトサン原液の調製ステップであって、キトサン原料をステップS1で得られた酢酸溶液に添加し、30min静置することにより、キトサン原料を酢酸溶液に予備溶解し、予備溶解したキトサン紡糸溶液を前処理機に入れるステップS2と、
キトサン紡糸溶液の処理ステップであって、前処理機を起動して30min動作させ、前処理機の作用下でキトサン原料と酢酸溶液とを十分に混合させて、混合物に対し分離脱泡及び濾過を行い、前処理機の作用下で混合されたキトサン原料と酢酸溶液に対して残渣分離及び脱泡処理を行うことができることにより、キトサン紡糸溶液を得るステップS3と、
キトサン繊維の製造ステップであって、ステップS3で得られたキトサン紡糸溶液を計量ポンプで紡糸口金に輸送し、紡糸口金から吐出された紡糸液を凝固浴に浸漬して二重拡散させ、固化させて初生繊維を生成し、凝固液がNaOHの水溶液を用い、初生繊維を延伸処理することにより、初生繊維中の残留液を除去し、延伸処理した初生繊維を脱イオン水で化学試薬を除去した後、剪断して乾燥させ、キトサン繊維を得るステップS4と、を含む。
酢酸溶液の調製ステップであって、水及び酢酸で構成され、酢酸の質量比が1w%~5w%であるステップS1と、
キトサン原液の調製ステップであって、キトサン原料をステップS1で得られた酢酸溶液に添加し、30min静置することにより、キトサン原料を酢酸溶液に予備溶解し、予備溶解したキトサン紡糸溶液を前処理機に入れるステップS2と、
キトサン紡糸溶液の処理ステップであって、前処理機を起動して30min動作させ、前処理機の作用下でキトサン原料と酢酸溶液とを十分に混合させて、分離脱泡及び濾過を行い、前処理機の作用下で混合されたキトサン原料と酢酸溶液に対して残渣分離及び脱泡処理を行うことができることにより、キトサン紡糸溶液を得るステップS3と、
キトサン繊維の製造ステップであって、ステップS3で得られたキトサン紡糸溶液を計量ポンプで紡糸口金に輸送し、紡糸口金から吐出された紡糸液を凝固浴に浸漬して二重拡散させ、固化させて初生繊維を生成し、凝固液がNaOHの水溶液を用い、初生繊維を延伸処理することにより、初生繊維中の残留液を除去し、延伸処理した初生繊維を脱イオン水で化学試薬を除去した後、剪断して乾燥させ、キトサン繊維を得るステップS4と、を含む。
11 外槽
12 内槽
13 バッフル
14 分離孔
15 ガイド溝
2 駆動機構
21 ネジロッド
22 駆動モータ
3 予備処理機構
31 押出ブロック
32 係合ブロック
33 濾過板
34 第1ガイド板
35 支持ブロック
36 第2ガイド板
37 第1電動伸縮ロッド
4 掻き取り機構
41 斜板
42 掻き取りボックス
43 回転ブロック
44 回転蓋板
45 接続板
46 頂柱
47 反転蓋板
48 底板
49 密封板
410 収集ボックス
5 撹拌機構
51 濾過孔
52 撹拌ロッド
53 接続スリーブ
54 第2電動伸縮ロッド
55 ガイドボール
56 接続ロッド
6 分離機構
61 ガイドブロック
62 突き合わせブロック
63 液体吐出口
64 スラグ排出口
65 係止ブロック
66 第3電動伸縮ロッド
Claims (4)
- 酢酸溶液の調製ステップであって、水及び酢酸で構成され、酢酸の質量比が1w%~5w%であるステップS1と、
キトサン原液の調製ステップであって、キトサン原料をステップS1で得られた酢酸溶液に添加して予備溶解し、予備溶解したキトサン紡糸溶液を前処理機に入れるステップS2と、
キトサン紡糸溶液の処理ステップであって、前処理機を起動し、キトサン原料と酢酸溶液とを混合して、混合物に対し分離脱泡及び濾過を行い、キトサン紡糸溶液を得るステップS3と、
キトサン繊維の製造ステップであって、ステップS3で得られたキトサン紡糸溶液を計量ポンプで紡糸口金に輸送し、紡糸口金から吐出されたキトサン紡糸溶液を凝固浴に浸漬して二重拡散させ、固化させて初生繊維を生成し、初生繊維を延伸して残留液を除去し、延伸処理した初生繊維を脱イオン水で化学試薬を除去した後、剪断して乾燥させ、キトサン繊維を得るステップS4と、を含み、
ステップS3における前記前処理機は、本体(1)を含み、前記本体(1)内に駆動機構(2)が設けられ、前記駆動機構(2)内に撹拌機構(5)が設けられ、前記撹拌機構(5)の下方に掻き取り機構(4)が設けられ、前記本体(1)の内部の上方に予備処理機構(3)が設けられ、前記駆動機構(2)は、予備処理機構(3)を貫通して本体(1)の内部に配置され、前記本体(1)の底部に分離機構(6)が設けられ、前記本体(1)は、外槽(11)を含み、前記外槽(11)内に内槽(12)が設けられ、前記内槽(12)内に分離孔(14)が対称的に設けられ、かつ内槽(12)内にガイド溝(15)が形成され、前記分離孔(14)外にバッフル(13)が設けられ、内槽(12)と外槽(11)との間に隙間が設けられ、前記バッフル(13)は、内槽(12)と外槽(11)との間に位置し、かつ内槽(12)がバッフル(13)と可動に接続され、前記内槽(12)と外槽(11)の底部に底盤が設けられ、前記バッフル(13)は、底盤と固定的に接続され、前記内槽(12)と外槽(11)とは、同軸で設けられ、
前記駆動機構(2)は、駆動モータ(22)を含み、前記駆動モータ(22)は、外槽(11)の頂部に位置し、前記駆動モータ(22)の出力端にネジロッド(21)が設けられ、前記ネジロッド(21)と内槽(12)とは、同軸で設けられ、
前記予備処理機構(3)は、押出ブロック(31)を含み、前記押出ブロック(31)は、内槽(12)内に設けられ、かつ押出ブロック(31)は、内槽(12)と可動に接続され、前記押出ブロック(31)の内側に第1電動伸縮ロッド(37)が設けられ、第1電動伸縮ロッド(37)の端部に係合ブロック(32)が設けられ、前記係合ブロック(32)の下方に第2ガイド板(36)が設けられ、前記第2ガイド板(36)の下方に第1ガイド板(34)が設けられ、前記第1ガイド板(34)と第2ガイド板(36)との間に少なくとも2層の濾過板(33)が設けられ、各層の前記濾過板(33)は、複数の濾過板(33)により環状に接合され、各前記濾過板(33)の内側に支持ブロック(35)が設けられ、前記支持ブロック(35)は、第1ガイド板(34)と回転可能に接続され、前記濾過板(33)は、第1ガイド板(34)と回転可能に接続され、前記濾過板(33)は、第2ガイド板(36)と接触し、
前記撹拌機構(5)は、撹拌ロッド(52)を含み、前記撹拌ロッド(52)に少なくとも1つの濾過孔(51)が形成され、前記撹拌ロッド(52)が円弧状に設計され、かつ撹拌ロッド(52)の端部が内槽(12)の内壁に貼り合わせられ、前記撹拌ロッド(52)に接続スリーブ(53)が設けられ、前記接続スリーブ(53)がネジロッド(21)にネジ接続され、前記撹拌ロッド(52)の端部に第2伸縮ロッドが設けられ、前記第2伸縮ロッドの端部にガイドボール(55)が設けられ、前記第2伸縮ロッドの外に接続ロッド(56)が設けられる、
ことを特徴とする純粋なキトサン繊維の製造方法。 - 前記分離機構(6)は、第3電動伸縮ロッド(66)を含み、前記第3電動伸縮ロッド(66)は、ネジロッド(21)の底端に位置し、前記第3電動伸縮ロッド(66)の出力端に係止ブロック(65)が設けられ、前記係止ブロック(65)の下方に突き合わせブロック(62)が設けられ、前記突き合わせブロック(62)の下方に接続盤が固定的に設けられ、前記接続盤は、底盤の上方に位置し、かつ接続盤は、内槽(12)と固定的に接続され、前記接続盤と底盤との間にガイドブロック(61)が設けられ、前記接続盤にスラグ排出口(64)が設けられ、前記内槽(12)と外槽(11)との間に液体吐出口(63)が設けられる、
ことを特徴とする請求項1に記載の純粋なキトサン繊維の製造方法。 - 前記掻き取り機構(4)は、掻き取りボックス(42)及び収集アセンブリを含み、前記掻き取りボックス(42)は、撹拌ロッド(52)の下方に位置し、かつ掻き取りボックス(42)は、中空に設計され、前記掻き取りボックス(42)内に斜板(41)が設けられ、前記斜板(41)の底端に回転蓋板(44)が設けられ、前記回転蓋板(44)は、掻き取りボックス(42)の下方に位置し、前記回転蓋板(44)と掻き取りボックス(42)との間に回転ブロック(43)が設けられ、前記掻き取りボックス(42)の一側に密封板(49)が設けられ、前記密封板(49)は、接続ロッド(56)に接続され、前記収集アセンブリは、接続板(45)を含み、前記接続板(45)は、一端が突き合わせブロック(62)の下端に設けられ、前記接続板(45)の他端に底板(48)が設けられ、前記底板(48)は、斜めに設計され、前記底板(48)の外に収集ボックス(410)が設けられ、前記収集ボックス(410)の頂部に反転蓋板(47)が設けられ、前記収集ボックス(410)に頂柱(46)が設けられる、
ことを特徴とする請求項1に記載の純粋なキトサン繊維の製造方法。 - 前記凝固浴は、アルカリ水溶液を使用し、アルカリ濃度は、3wt%~10wt%である、
ことを特徴とする請求項1に記載の純粋なキトサン繊維の製造方法。
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