JP2000290828A - Regenerated cellulose having high moisture-absorbing and releasing property, and pyrogenicity and its production - Google Patents
Regenerated cellulose having high moisture-absorbing and releasing property, and pyrogenicity and its productionInfo
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- JP2000290828A JP2000290828A JP10015699A JP10015699A JP2000290828A JP 2000290828 A JP2000290828 A JP 2000290828A JP 10015699 A JP10015699 A JP 10015699A JP 10015699 A JP10015699 A JP 10015699A JP 2000290828 A JP2000290828 A JP 2000290828A
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- fiber
- high moisture
- moisture absorption
- regenerated cellulose
- organic fine
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- Artificial Filaments (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は衣料用、不織布用な
どに用いられる高吸放湿性及び発熱性を有する再生セル
ロース繊維及びその製造法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regenerated cellulose fiber having high moisture absorption / release properties and heat generation, used for clothing, non-woven fabric, and the like, and a method for producing the same.
【０００２】[0002]
【従来の技術】保温、発熱性を繊維に付与する方法とし
ては一般的に繊維にセラミックスを練り込む方法やコー
ティング剤やラミネート樹脂の中にセラミックス（炭化
ジリコニウム等）や金属を添加する方法や布帛とした後
発熱剤を付着させて保温する方法などが種々提案されて
いる。例えば、繊維にセラミックスや金属を練り込む方
法としては、特開昭６３−１０５１０７号の繊維製品の
製造方法や特開平７−３３１５８４号の防ダニ用遠赤外
線放射繊維などのように繊維に遠赤外線を放射するセラ
ミックス及び金属を練り込み方法が提案されている。し
かしながら、これらの方法はセラミックス及び金属の色
に着色するなどの欠点がある。2. Description of the Related Art As a method of imparting heat retention and heat generation to fibers, generally, a method of kneading ceramics into fibers, a method of adding ceramics (zirconium carbide, etc.) or a metal to a coating agent or a laminate resin, or a method of fabric. Various methods have been proposed for keeping the temperature by attaching a heat generating agent after the heat treatment. For example, as a method of kneading ceramics or metal into fibers, a method of manufacturing a fiber product disclosed in JP-A-63-105107 or far-infrared radiation fibers for mites as described in JP-A-7-331584 may be used. There has been proposed a method of kneading ceramics and metal that emits light. However, these methods have drawbacks such as coloring ceramics and metals.
【０００３】コーティング剤やラミネート樹脂の中にセ
ラミックス（炭化ジリコニウム等）や金属を添加する方
法としては、特開昭６０−１６２６４１号の保温効果の
優れたシート状素材や特開昭６３−３５８８７号のコー
ティング布帛、特開平１−１８３５７９号のセラミック
スをコーティングした布または紙製品などがある。しか
し、これらは布にフィルムを付与するため、防風素材と
してはすぐれているが、フィルムの風合いが布帛に残っ
てしまう欠点がある。[0003] As a method of adding ceramics (zirconium carbide, etc.) or a metal to a coating agent or a laminating resin, a sheet-like material having an excellent heat retaining effect described in JP-A-60-162641 or JP-A-63-35887 is disclosed. And a paper or a paper product coated with ceramics described in JP-A-1-183579. However, these are excellent as windproof materials because they impart a film to the cloth, but have the disadvantage that the texture of the film remains on the cloth.
【０００４】布帛に発熱剤を付着させて保温する方法と
しては特開昭６２−１８７７８２号や特開平１−５０３
６３２号などで物質の相変化時の熱変化を利用した方法
が開示されている。しかしながら、これらの方法は、製
造工程が複雑であること、洗濯による性能の低下や風合
い変化が欠点である。As a method of keeping a heat by attaching a heating agent to a fabric, Japanese Patent Application Laid-Open No. 62-187782 and Japanese Patent Application Laid-Open No.
No. 632 or the like discloses a method utilizing a thermal change at the time of a phase change of a substance. However, these methods are disadvantageous in that the manufacturing process is complicated, the performance is deteriorated due to washing, and the texture is changed.
【０００５】[0005]
【発明が解決しようとする課題】本発明者の目的は、耐
久性のある再生セルロース系の高吸放湿性繊維を得るこ
とであり、高吸湿性有機微粒子を練り込むことにより高
吸放湿性及び発熱性を有する再生セルロース繊維を得よ
うとするものである。SUMMARY OF THE INVENTION An object of the present invention is to obtain a durable regenerated cellulose-based highly moisture-absorbing and desorbing fiber. The purpose is to obtain a regenerated cellulose fiber having heat generation properties.
【０００６】[0006]
【課題を解決するための手段】本発明は上記課題を解決
するために次の構成とするものである。すなわち、本発
明は、 １．再生セルロース繊維の繊維内部に平均粒径５μｍ以
下の高吸放湿性有機微粒子を繊維重量に対し０．１〜３
０重量％含有する繊維であり、該繊維が下記の関係式を
満足することを特徴とする高吸放湿性及び発熱性を有す
る再生セルロース繊維。 ΔＨ＝Ｈ1−Ｈ0≧１（％） Ｈ1 ：高吸放湿性有機微粒子を有する場合の繊維の水分
率（％）差 Ｈ0 ：高吸放湿性有機微粒子を有しない場合の繊維の水
分率（％）差 水分率差（％）＝ＲＨ（９５）−ＲＨ（２０） ＲＨ（９５） ：２０℃、９５％ＲＨでの繊維の水分率
（％） ＲＨ（２０） ：２０℃、２０％ＲＨでの繊維の水分率
（％）The present invention has the following configuration to solve the above problems. That is, the present invention provides: Highly moisture-absorbing and desorbing organic fine particles having an average particle size of 5 μm or less are contained in the regenerated cellulose fibers in an amount of 0.1 to 3 parts by weight based on the fiber weight.
A regenerated cellulose fiber having high moisture absorption / release properties and exothermic properties, which is a fiber containing 0% by weight, wherein the fiber satisfies the following relational expression. ΔH = H 1 −H 0 ≧ 1 (%) H 1 : Moisture content (%) difference of fiber when having high moisture absorption / desorption organic fine particles H 0 : Moisture of fiber without high moisture absorption / desorption organic fine particles Ratio (%) difference Moisture ratio difference (%) = RH (95) −RH (20) RH (95): 20 ° C., water content of fiber at 95% RH (%) RH (20): 20 ° C., 20 % Moisture of fiber at% RH (%)
【０００７】２．高吸放湿性有機微粒子の初期吸湿速度
が０．８％／分以上である前記１に記載の高吸放湿性及
び発熱性を有する再生セルロース繊維。[0007] 2. 2. The regenerated cellulose fiber having high moisture absorption / release properties and heat generation according to 1 above, wherein the high moisture absorption / release organic fine particles have an initial moisture absorption rate of 0.8% / min or more.
【０００８】３．高吸放湿性有機微粒子がアクリロニト
リルを８５％以上含むアクリル系樹脂にヒドラジン処理
により架橋構造を導入し、窒素含有量の増加が１．０〜
１５．０重量％であり、加水分解により残存しているニ
トリル基量の１．０ｍｍｏｌ／ｇ以上を塩系カルボキシ
ル基に化学変化せしめたものであることを特徴とする前
記１〜２に記載の高吸放湿性及び発熱性を有する再生セ
ルロース繊維。[0008] 3. High moisture absorption / desorption organic fine particles introduce a crosslinked structure by hydrazine treatment into an acrylic resin containing acrylonitrile of 85% or more, and the nitrogen content increases by 1.0 to 1.0%.
15.0% by weight, wherein at least 1.0 mmol / g of the remaining nitrile group by hydrolysis is chemically changed into a salt-based carboxyl group. Regenerated cellulose fiber having high moisture absorption / release properties and heat generation.
【０００９】４．紡糸工程原液に高吸放湿性有機微粒子
を練り込み、紡糸することを特徴とする前記１に記載の
高吸放湿性及び発熱性を有する再生セルロース繊維の製
造法。4. 2. The method for producing a regenerated cellulose fiber having high moisture absorption / desorption and heat generation as described in 1 above, wherein the organic fine particles having high moisture absorption / desorption are kneaded into the stock solution of the spinning step and spun.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態につい
て詳細に説明する。本発明に用いる繊維はレーヨン繊
維、ポリノジック繊維、銅アンモニア繊維などが含まれ
る。Embodiments of the present invention will be described below in detail. The fibers used in the present invention include rayon fibers, polynosic fibers, cuprammonium fibers and the like.
【００１１】本発明で言う高吸放湿性有機微粒子として
は吸水性が高く、かつ、放湿性を有する有機微粒子であ
れば使用可能であり、アクリル樹脂系などの合成樹脂系
やセルロース系の変性樹脂などの天然樹脂などが挙げら
れるが、相対湿度（ＲＨ）６５％での水分率が３０％以
上の高吸水性であり、初期吸湿速度が０．８％／分以上
の高吸水速度であることが、発熱速度が速く好ましい。
さらに好ましくは水分率が４０％以上、初期吸湿速度は
１．０％／分以上の有機微粒子である。As the organic fine particles having high moisture absorption / release properties referred to in the present invention, any organic fine particles having high water absorption and moisture release properties can be used. Such as natural resins, etc., which have a high water absorption rate of 30% or more at 65% relative humidity (RH) and a high water absorption rate of 0.8% / minute or more at the initial moisture absorption rate. However, the rate of heat generation is high, which is preferable.
More preferably, the organic fine particles have a moisture content of 40% or more and an initial moisture absorption rate of 1.0% / min or more.
【００１２】なお、初期吸湿速度とは、７０℃×１２時
間の真空乾燥後、２０℃×６５％ＲＨのデシケーター中
に１０分間放置した時の水分率を求め、１分間あたりの
水分率の増加率によって求められるものである。[0012] The initial moisture absorption rate is defined as the moisture content when the material is left in a desiccator at 20 ° C and 65% RH for 10 minutes after vacuum drying at 70 ° C for 12 hours, and the moisture content is increased per minute. It is determined by the rate.
【００１３】高吸湿性有機微粒子のより具体的な例とし
ては、塩型カルボキシル基を有し、かつ架橋構造を有す
る有機微粒子であり、アクリロニトリルを８５％以上含
むアクリル系樹脂にヒドラジン処理により架橋構造を導
入し、窒素含有量の増加が１．０〜１５．０重量％と
し、加水分解により残存しているニトリル基量の１．０
ｍｍｏｌ／ｇ以上を塩型カルボキシル基に化学変化せし
めたアクリル系金属変性粒子などの高吸放湿性有機微粒
子が挙げられる。More specific examples of the highly hygroscopic organic fine particles are organic fine particles having a salt-type carboxyl group and having a cross-linked structure. An acrylic resin containing 85% or more of acrylonitrile is cross-linked by hydrazine treatment. To increase the nitrogen content to 1.0 to 15.0% by weight, and to reduce the amount of nitrile groups remaining by hydrolysis to 1.0 to 1.0% by weight.
Highly hygroscopic organic fine particles such as acrylic metal-modified particles in which at least mmol / g are chemically changed into salt-type carboxyl groups are exemplified.
【００１４】高吸放湿性有機微粒子の粒度は特に限定は
ないが、吸湿速度を早くするためさらには紡糸時の製糸
性、繊維の物性の観点から５μｍ以下が好ましい。The particle size of the organic particles having high moisture absorption / release properties is not particularly limited, but is preferably 5 μm or less from the viewpoints of spinning properties during spinning and physical properties of fibers in order to increase the moisture absorption rate.
【００１５】高吸放湿性有機微粒子の含有量は発熱性と
関係がある重要な要素である。発熱性の効果をだすため
には、繊維重量に対して０．１〜３０重量％であり、好
ましくは１〜２０重量％である。０．１重量％未満では
発熱の効果に乏しく、３０重量％を超えると製糸性、物
性に問題が出てくる。The content of the organic particles having high moisture absorption / release properties is an important factor related to the heat generation. In order to obtain an exothermic effect, the content is 0.1 to 30% by weight, preferably 1 to 20% by weight based on the weight of the fiber. If it is less than 0.1% by weight, the effect of heat generation is poor, and if it exceeds 30% by weight, problems occur in the spinning properties and physical properties.
【００１６】[0016]
【実施例】以下に実施例により本発明を詳細に説明する
が、実施例における繊維の性能の測定、評価は次の方法
で行った。 保温性：２０℃×９０％ＲＨのデシケーターの中に絶乾
状態にした繊維のカードウエッブを２０ｇ置き、カード
ウエッブの中央に熱伝対温度計を設置し３０分後の温度
の上昇を観察した。単位：℃ 水分率差：ＪＩＳＬ１０９６の水分率測定法に従い、９
５％ＲＨと２０％ＲＨとで水分率を測定し、その差を求
めた。EXAMPLES The present invention will be described in detail with reference to the following examples. Measurement and evaluation of fiber performance in the examples were performed by the following methods. Insulation: 20 g of the fiber card in a desiccator at 20 ° C. × 90% RH was placed in a dry state, and a thermocouple thermometer was installed at the center of the card web to observe the temperature rise after 30 minutes. . Unit: ° C Moisture difference: 9 according to JIS L1096 moisture content measuring method.
The water content was measured at 5% RH and 20% RH, and the difference was determined.
【００１７】（１）高吸放湿性有機微粒子の製造 アクリロニトリル４５０部、アクリル酸メチル４０部、
ｐ−スチレンスルホン酸ソーダ１６部及び水１１８部を
オートクレーブに仕込み、重合開始剤としてジーｔｅｒ
−ブチルパーオキサイドを単量体全量に対して０．５％
添加した後、密閉し、次いで攪拌下において１５０℃の
温度にて２０分間重合せしめた後、反応終了後、攪拌を
継続しながら約９０℃まで冷却し、平均粒子径２μｍ
（光散乱光度計で測定）の原料微粒子の水分散体を得
た。この水分散体に浴中濃度が３５％になるようにヒド
ラジンを加え、１０２℃で２．５時間架橋処理を行い、
続いて浴中濃度が１０％となるようにＮａＯＨを加え、
１０２℃で５時間の加水分解処理を行った後、流水中で
透析、脱塩、乾燥後、高吸放湿性の微粒子を得た。該有
機微粒子の窒素増加量は３．３％、塩型カルボキシル基
４．３ｍｍｏｌ／ｇ、６５％ＲＨでの水分率は４５％、
平均粒子径は２μｍであった（高吸放湿性有機微粒
子）。該有機微粒子を７０℃で１２時間真空乾燥後、６
５％ＲＨ（２０℃）のデシケーターに１０分間放置後の
水分率は１０％であり、２４時間後は４５％であった。
９０％ＲＨ（２０℃）のデシケーター２４時間後の水分
率は５６％であり、該有機微粒子を４０％ＲＨ（２０
℃）のデシケーターに１時間放置した後の水分率は２８
％であり、吸放湿性が確認された。(1) Production of Organic Particles with High Moisture Absorption and Desorption 450 parts of acrylonitrile, 40 parts of methyl acrylate,
An autoclave was charged with 16 parts of sodium p-styrenesulfonate and 118 parts of water.
0.5% of butyl peroxide based on the total amount of monomers
After the addition, the mixture was sealed, and then polymerized at 150 ° C. for 20 minutes with stirring. After completion of the reaction, the mixture was cooled to about 90 ° C. while continuing stirring, and the average particle diameter was 2 μm.
An aqueous dispersion of the raw material fine particles (measured with a light scattering photometer) was obtained. Hydrazine was added to the aqueous dispersion so that the concentration in the bath became 35%, and crosslinking treatment was performed at 102 ° C. for 2.5 hours.
Subsequently, NaOH was added so that the concentration in the bath became 10%,
After performing a hydrolysis treatment at 102 ° C. for 5 hours, dialysis, desalting, and drying were performed in running water to obtain fine particles having high hygroscopicity. The amount of increase in nitrogen of the organic fine particles is 3.3%, the salt type carboxyl group is 4.3 mmol / g, the water content at 65% RH is 45%,
The average particle size was 2 μm (highly hygroscopic organic fine particles). After vacuum drying the organic fine particles at 70 ° C. for 12 hours, 6
The moisture content after standing in a desiccator at 5% RH (20 ° C.) for 10 minutes was 10%, and after 24 hours was 45%.
The moisture content of the desiccator at 90% RH (20 ° C.) after 24 hours is 56%.
C) after leaving for 1 hour in a desiccator
%, And the moisture absorption / release properties were confirmed.
【００１８】実施例１ 前記の高吸放湿性有機微粒子を、セルロース４．７重量
％、粘度２５０ポイズ（圧力：大気圧、温度２０℃にお
ける粘度）、アルカリ濃度２．５重量％で調整されたビ
スコース１００重量部に対し０．６重量部含有させ、直
径８０μｍのノズル孔を２１０００ホール持つノズルよ
り１５００ｇ／分で吐出させた。その後硫酸濃度２０ｇ
／ｌ、硫酸亜鉛濃度０．５ｇ／ｌ、硫酸ナトリウム５０
ｇ／ｌ、２８℃、流量３０ｌ／分の第１浴内で凝固さ
せ、更に硫酸７ｇ／ｌ、硫酸ナトリウム２５ｇ／ｌ、温
度２７℃の第２浴内で再生し、１．５倍に延伸し、硫酸
濃度１ｇ／ｌ、硫酸ナトリウム１０ｇ／ｌ、９０℃の第
３浴にて分解し、通常の精練工程を経て、２デニールの
ポリノジック繊維を得た。最終繊維に、高吸放湿性有機
微粒子は繊維重量に対し１０重量％含有されていた。こ
の繊維の評価結果を表１に示した。Example 1 The above organic fine particles having high moisture absorption / release properties were adjusted to 4.7% by weight of cellulose, 250 poises in viscosity (pressure: atmospheric pressure, viscosity at 20 ° C.) and 2.5% by weight in alkali concentration. Viscose was contained in an amount of 0.6 part by weight with respect to 100 parts by weight, and was discharged at a rate of 1500 g / min from a nozzle having a nozzle hole having a diameter of 80 μm and having 21,000 holes. Then sulfuric acid concentration 20g
/ L, zinc sulfate concentration 0.5g / l, sodium sulfate 50
g / l, 28 ° C, coagulated in a first bath at a flow rate of 30 l / min, regenerated in a second bath of 7 g / l sulfuric acid, 25 g / l sodium sulfate, 27 ° C, and stretched 1.5 times Then, it was decomposed in a third bath having a sulfuric acid concentration of 1 g / l and sodium sulfate of 10 g / l at 90 ° C., and subjected to a usual scouring step to obtain a 2-denier polynosic fiber. The final fiber contained 10% by weight of the highly moisture-absorbing and releasing organic fine particles based on the weight of the fiber. Table 1 shows the evaluation results of the fibers.
【００１９】比較例１ 比較例としては、下記記載の高吸放湿性有機微粒子を含
有させず、同様の紡糸条件にて２デニールのポリノジッ
ク繊維を得た。この繊維の評価結果を表１に示しまし
た。Comparative Example 1 As a comparative example, a 2-denier polynosic fiber was obtained under the same spinning conditions without containing the organic fine particles having high moisture absorption / release properties described below. The evaluation results of this fiber are shown in Table 1.
【００２０】実施例２ 前記の高吸放湿性有機微粒子を、セルロース４．７重量
％、粘度２５０ポイズ（圧力：大気圧、温度２０℃にお
ける粘度）、アルカリ濃度２．５重量％で調整されたビ
スコース１００重量部に対し１．０重量部含有させ、直
径７０μｍのノズル孔を２１０００ホール持つノズルよ
り１３００ｇ／分で吐出させた。その後硫酸濃度２０ｇ
／ｌ、硫酸亜鉛濃度０．５ｇ／ｌ、硫酸ナトリウム５０
ｇ／ｌ、２８℃、流量３０ｌ／分の第１浴内で凝固さ
せ、更に硫酸７ｇ／ｌ、硫酸ナトリウム２５ｇ／ｌ、温
度２７℃の第２浴内で再生し、１．５倍に延伸し、硫酸
濃度１ｇ／ｌ、硫酸ナトリウム１０ｇ／ｌ、９０℃の第
３浴にて分解し、通常の精練工程を経て、１．５デニー
ルのポリノジック繊維を得た。最終繊維に、高吸放湿性
有機微粒子は繊維重量に対し２０重量％含有されてい
た。この繊維の評価結果を表１に示した。Example 2 The above-mentioned organic particles having high moisture absorption / release properties were adjusted to 4.7% by weight of cellulose, 250 poise in viscosity (pressure: atmospheric pressure, viscosity at a temperature of 20 ° C.), and an alkali concentration of 2.5% by weight. Viscose was contained in an amount of 1.0 part by weight with respect to 100 parts by weight, and discharged at 1300 g / min from a nozzle having 21000 holes having a diameter of 70 μm. Then sulfuric acid concentration 20g
/ L, zinc sulfate concentration 0.5g / l, sodium sulfate 50
g / l, 28 ° C, coagulated in a first bath at a flow rate of 30 l / min, regenerated in a second bath of 7 g / l sulfuric acid, 25 g / l sodium sulfate, 27 ° C, and stretched 1.5 times Then, the mixture was decomposed in a third bath at 90 ° C. at a sulfuric acid concentration of 1 g / l and sodium sulfate of 10 g / l, and a 1.5 denier polynosic fiber was obtained through a usual scouring process. The final fiber contained 20% by weight of the organic particles having high moisture absorption / release properties based on the weight of the fiber. Table 1 shows the evaluation results of the fibers.
【００２１】比較例２ 比較例としては、下記記載の高吸放湿性有機微粒子を含
有させず、同様の紡糸条件にて１．５デニールのポリノ
ジック繊維を得た。この繊維の評価結果を表１に示し
た。COMPARATIVE EXAMPLE 2 As a comparative example, 1.5 denier polynosic fiber was obtained under the same spinning conditions without containing the organic fine particles having high moisture absorption / release properties described below. Table 1 shows the evaluation results of the fibers.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【発明の効果】高吸放湿性有機微粒子を含有せしめた再
生セルロース繊維は、該高吸放湿性有機微粒子が吸水す
ることによって発熱するため、耐久性に優れた高吸放湿
性及び発熱性を有する再生セルロース繊維を得ることが
できる。As described above, the regenerated cellulose fiber containing the organic particles having high moisture absorption / desorption has a high durability and excellent heat absorption and heat generation because the organic particles generate heat by absorbing water. Regenerated cellulose fibers can be obtained.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4G066 AA14D AA47A AB05D AB07A AB09A AB10D AC17C AC35C AD15B BA03 BA09 BA16 BA35 BA36 BA38 CA43 DA03 FA03 FA07 FA37 FA40 GA06 4L035 BB03 BB06 BB08 BB16 BB22 BB72 BB89 BB91 EE05 EE08 EE14 EE20 JJ14 KK01 KK05 ──────────────────────────────────────────────────続 き Continued on front page F term (reference) 4G066 AA14D AA47A AB05D AB07A AB09A AB10D AC17C AC35C AD15B BA03 BA09 BA16 BA35 BA36 BA38 CA43 DA03 FA03 FA07 FA37 FA40 GA06 4L035 BB03 BB06 BB08 BB16 BB20 BB72 BB89 KK05
Claims (4)
下の高吸放湿性有機微粒子を繊維重量に対し０．１〜３
０重量％含有する繊維であり、該繊維が下記の関係式を
満足することを特徴とする高吸放湿性及び発熱性を有す
る再生セルロース繊維。 ΔＨ＝Ｈ1−Ｈ0≧１（％） Ｈ1 ：高吸放湿性有機微粒子を有する場合の繊維の水分
率（％）差 Ｈ0 ：高吸放湿性有機微粒子を有しない場合の繊維の水
分率（％）差 水分率差（％）＝ＲＨ（９５）−ＲＨ（２０） ＲＨ（９５） ：２０℃、９５％ＲＨでの繊維の水分率
（％） ＲＨ（２０） ：２０℃、２０％ＲＨでの繊維の水分率
（％）1. A regenerated cellulose fiber comprising high moisture-absorbing and desorbing organic fine particles having an average particle diameter of 5 μm or less, and 0.1 to 3 parts by weight of the fiber.
A regenerated cellulose fiber having high moisture absorption / release properties and exothermic properties, which is a fiber containing 0% by weight, wherein the fiber satisfies the following relational expression. ΔH = H 1 −H 0 ≧ 1 (%) H 1 : Moisture content (%) difference of fiber when having high moisture absorption / desorption organic fine particles H 0 : Moisture of fiber without high moisture absorption / desorption organic fine particles Ratio (%) difference Moisture ratio difference (%) = RH (95) −RH (20) RH (95): 20 ° C., water content of fiber at 95% RH (%) RH (20): 20 ° C., 20 % Moisture of fiber at% RH (%)
０．８％／分以上である請求項１に記載の高吸放湿性及
び発熱性を有する再生セルロース繊維。2. The regenerated cellulose fiber according to claim 1, wherein the high moisture absorption / desorption organic fine particles have an initial moisture absorption rate of 0.8% / min or more.
ルを８５％以上含むアクリル系樹脂にヒドラジン処理に
より架橋構造を導入し、窒素含有量の増加が１．０〜１
５．０重量％であり、加水分解により残存しているニト
リル基量の１．０ｍｍｏｌ／ｇ以上を塩系カルボキシル
基に化学変化せしめたものであることを特徴とする請求
項１〜２に記載の高吸放湿性及び発熱性を有する再生セ
ルロース繊維。3. A highly moisture-absorbing and desorbing organic fine particle introduces a crosslinked structure into an acrylic resin containing acrylonitrile by 85% or more by hydrazine treatment, and the nitrogen content is increased by 1.0 to 1%.
It is 5.0% by weight, and 1.0 mmol / g or more of the amount of the nitrile group remaining by hydrolysis is chemically changed to a salt-based carboxyl group, The salt is characterized by the above-mentioned. Regenerated cellulose fiber having high moisture absorption / release properties and heat generation.
込み、紡糸することを特徴とする請求項１記載の高吸放
湿性及び発熱性を有する再生セルロース繊維の製造法。4. The method for producing regenerated cellulose fibers having high moisture absorption / release properties and heat generation according to claim 1, wherein the organic fine particles having high moisture absorption / release properties are kneaded into a stock spinning solution and spun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10015699A JP2000290828A (en) | 1999-04-07 | 1999-04-07 | Regenerated cellulose having high moisture-absorbing and releasing property, and pyrogenicity and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10015699A JP2000290828A (en) | 1999-04-07 | 1999-04-07 | Regenerated cellulose having high moisture-absorbing and releasing property, and pyrogenicity and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000290828A true JP2000290828A (en) | 2000-10-17 |
Family
ID=14266467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10015699A Pending JP2000290828A (en) | 1999-04-07 | 1999-04-07 | Regenerated cellulose having high moisture-absorbing and releasing property, and pyrogenicity and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000290828A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003000636A (en) * | 2001-06-26 | 2003-01-07 | Toyobo Co Ltd | Ground fabric for hygenic material |
| JP2012505317A (en) * | 2008-10-11 | 2012-03-01 | トレビラ・ゲーエムベーハー | Superabsorbent bicomponent fiber |
| JP2013204204A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Deodorant regenerated cellulosic fiber, method for producing the same, and fiber structure |
| JP2013204206A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Multifunctional regenerated cellulosic fiber, fiber structure including the same, and method for producing them |
| JP2013204205A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Deodorant regenerated cellulosic fiber, method for producing the same, and fiber structure |
| JP2015224413A (en) * | 2014-05-30 | 2015-12-14 | 東洋紡株式会社 | High-hygroscopicity fiber |
-
1999
- 1999-04-07 JP JP10015699A patent/JP2000290828A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003000636A (en) * | 2001-06-26 | 2003-01-07 | Toyobo Co Ltd | Ground fabric for hygenic material |
| JP2012505317A (en) * | 2008-10-11 | 2012-03-01 | トレビラ・ゲーエムベーハー | Superabsorbent bicomponent fiber |
| JP2013204204A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Deodorant regenerated cellulosic fiber, method for producing the same, and fiber structure |
| JP2013204206A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Multifunctional regenerated cellulosic fiber, fiber structure including the same, and method for producing them |
| JP2013204205A (en) * | 2012-03-29 | 2013-10-07 | Daiwabo Holdings Co Ltd | Deodorant regenerated cellulosic fiber, method for producing the same, and fiber structure |
| JP2015224413A (en) * | 2014-05-30 | 2015-12-14 | 東洋紡株式会社 | High-hygroscopicity fiber |
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