JPH01139807A - Synthetic fiber having excellent alkali and heat resistance and production thereof - Google Patents
Synthetic fiber having excellent alkali and heat resistance and production thereofInfo
- Publication number
- JPH01139807A JPH01139807A JP29169087A JP29169087A JPH01139807A JP H01139807 A JPH01139807 A JP H01139807A JP 29169087 A JP29169087 A JP 29169087A JP 29169087 A JP29169087 A JP 29169087A JP H01139807 A JPH01139807 A JP H01139807A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- fiber
- solvent
- polysulfone
- heat resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003513 alkali Substances 0.000 title claims abstract description 18
- 239000012209 synthetic fiber Substances 0.000 title claims abstract description 7
- 229920002994 synthetic fiber Polymers 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000835 fiber Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 229920002492 poly(sulfone) Polymers 0.000 claims abstract description 15
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000004695 Polyether sulfone Substances 0.000 claims abstract description 11
- 229920006393 polyether sulfone Polymers 0.000 claims abstract description 11
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002166 wet spinning Methods 0.000 claims abstract description 7
- 238000009835 boiling Methods 0.000 claims abstract description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 23
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 14
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000001112 coagulating effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 2
- -1 poly(ether) Polymers 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 1
- 150000003457 sulfones Chemical class 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 18
- 239000011550 stock solution Substances 0.000 description 11
- 230000015271 coagulation Effects 0.000 description 10
- 238000005345 coagulation Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- GGSRTHRSSCWGGK-UHFFFAOYSA-L 2,2-dibutyl-5-hydroxy-1,3,2-dioxastannepane-4,7-dione Chemical compound CCCC[Sn]1(CCCC)OC(=O)CC(O)C(=O)O1 GGSRTHRSSCWGGK-UHFFFAOYSA-L 0.000 description 3
- 239000004801 Chlorinated PVC Substances 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000012770 industrial material Substances 0.000 description 3
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
不発明は、耐アルカリ性に優れた合成繊維及びその製造
法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The invention relates to a synthetic fiber with excellent alkali resistance and a method for producing the same.
く従来の技術〉
従来、ポリ塩化ビニル系繊維は、耐薬品性、自己消炎性
等優れた性質を有し、毛布、漁網、ローズ、肌着等衣料
分野から産業分野まで広く利用されているが耐熱性に間
也があり、その改良が望まれていた。Conventional technology> Conventionally, polyvinyl chloride fibers have excellent properties such as chemical resistance and self-extinguishing properties, and are widely used in the clothing and industrial fields, such as blankets, fishing nets, rosettes, and underwear. There was a gap in the quality of the product, and improvements were desired.
かかる耐熱性の改良としてポリ塩化ビニルに後塩素化ポ
リ塩化ビニルを混合することによってポリ塩化ビニル系
msの耐熱性を向上する手法(%開昭55−65422
号公報)が提案されている。しかしながら、後塩素化ポ
リ塩化ビニルはポリ塩化ビニルに比べて高温時における
耐アルカリ性に劣るためバッテリーセパレーター等の高
温時における耐アルカリ性が要求される産業資材用途に
は不適当であプ、新たな耐熱性向上方法が望まれていた
。As an improvement of such heat resistance, a method of improving the heat resistance of polyvinyl chloride-based MS by mixing post-chlorinated polyvinyl chloride with polyvinyl chloride (% 1986-65422)
No. 2) has been proposed. However, post-chlorinated polyvinyl chloride has inferior alkali resistance at high temperatures compared to polyvinyl chloride, making it unsuitable for industrial material applications that require alkali resistance at high temperatures, such as battery separators. A method to improve sex was desired.
〈発明が解決しようとする問題点〉
本発明の目的は、ポリ塩化ビニル系繊維の有する欠点、
すなわち耐熱性を、ポリ塩化ビニル系線維が本来有する
優れた耐アルカリ性を損なうことなく改良し、紙、不織
布及び編織物の繊素材として衣料分野、産業資材分野の
用途に効果的に利用される、耐アルカリ性耐熱性を有す
る新規な合成繊維及びその製造法を提供することにある
。<Problems to be solved by the invention> The purpose of the present invention is to solve the disadvantages of polyvinyl chloride fibers,
In other words, the heat resistance is improved without impairing the excellent alkali resistance inherent to polyvinyl chloride fibers, and it can be effectively used as a fiber material for paper, nonwoven fabrics, and knitted fabrics in the clothing and industrial materials fields. An object of the present invention is to provide a novel synthetic fiber having alkali resistance and heat resistance, and a method for producing the same.
く問題点を解決するための手段〉
不発明は、
tl) 繊維中のポリマー組成がポリ塩化ビニル85
〜30重量%及びポリサルホン及び/又はポリエーテル
サルホン15へ70重量%であり、沸水収縮率が25%
以下であることを特徴とする耐アルカリ性耐熱性に優れ
た合成繊維。及び
(2) ポリ塩化ビニル85S50重量%及びポリサ
ルホン及び/又はポリエーテルサルホン15〜フ0重i
i九の組成物を溶媒に溶解分散させ湿式紡糸方式で繊維
賦形することを特徴゛とする耐アルカリ性耐熱性に優れ
た合成繊維にある。Means for solving the problems〉 The non-invention is tl) The polymer composition in the fiber is polyvinyl chloride 85
~30% by weight and 70% by weight to polysulfone and/or polyethersulfone 15, with boiling water shrinkage of 25%
A synthetic fiber with excellent alkali resistance and heat resistance, characterized by the following properties: and (2) 50% by weight of polyvinyl chloride 85S and polysulfone and/or polyethersulfone 15-50% by weight
This synthetic fiber has excellent alkali resistance and heat resistance, and is characterized by dissolving and dispersing the composition in a solvent and forming the fiber by a wet spinning method.
本発明の繊維のポリマー組成はポリ塩化ビニル(PVG
)85へ50重量%及びポリサルホン及び/又はポリエ
ーテルサルホン15へ70重量%でなければならない。The polymer composition of the fibers of the present invention is polyvinyl chloride (PVG).
) 50% by weight to 85 and 70% by weight to polysulfone and/or polyethersulfone 15.
pvcが85重量%を超えると繊維の耐熱性が十分でな
く、那水収縮率が25%を超えてし筐う。又pvcが3
0重量%未満では湿式紡糸方法によって得られ友未延伸
系の延伸性が不十分なため実用上十分な物性を有する繊
維を製造することは困難である。If the PVC content exceeds 85% by weight, the heat resistance of the fibers will be insufficient and the shrinkage rate will exceed 25%. Also pvc is 3
If it is less than 0% by weight, it is difficult to produce fibers with practically sufficient physical properties because the stretchability of the undrawn system obtained by the wet spinning method is insufficient.
不発明に使用されるpvcは重合度が好ましくは800
〜2500であシ、さらに好ましくは1000−180
0でSる。pvco重合度が800未満では得られた繊
維の強度が乏しく実用上十分とは言い難い。又pvcの
重合度が2500t−超えると紡糸原液が短時間でゲル
化を生じ易くなる。ここで、pvcの重合度はJZSK
−672)により測定した値である。The degree of polymerization of PVC used in the invention is preferably 800.
~2500, more preferably 1000-180
S at 0. If the pvco polymerization degree is less than 800, the strength of the obtained fiber is poor and it is difficult to say that it is sufficient for practical use. Furthermore, if the degree of polymerization of PVC exceeds 2500 t-, the spinning dope tends to gel in a short period of time. Here, the degree of polymerization of pvc is JZSK
-672).
不発明に使用されるポリサルホン、ポリエーテルサルホ
ンは次式(tl t ([lの化学構造ft肩するもの
であり、その重合度は特に規定されるものではなく、通
常グラスチック等の成形材料に使用される範囲でよい。The polysulfone and polyethersulfone used in the invention have the following chemical structure (tl t ([l), and the degree of polymerization is not particularly defined, and is usually made of molding material such as glasstic. The range used for this is sufficient.
ポリサルホン; OH。polysulfone; Oh.
ポリエーテルサルホン;
本発明の繊維のポリマー組成には、pvcとポリサルホ
ン及び/又はポリエーテルサルホンのみに限られるもの
ではなく溶剤中にpvcとポリサルホン及び/又はポリ
エーテルサルホンと混合又は分散し、繊維賦形可能なポ
リマーであれば加えることが可能でるるか、その添加量
は、5重量%未満であることが好ましい。Polyethersulfone; The polymer composition of the fibers of the present invention includes, but is not limited to, PVC and polysulfone and/or polyethersulfone mixed or dispersed in a solvent. It is possible to add any polymer that can be used to form fibers, and the amount added is preferably less than 5% by weight.
又、通常PVOの安定剤として使用されているジブチル
スズマレート系ポリマー組成加することは好ましいこと
であり、好筐しくは0.5重量%以上添刀口するのがよ
く、湿式紡糸方式における紡糸原液に長時間の安定性を
与える。In addition, it is preferable to add a dibutyltin malate-based polymer composition, which is usually used as a stabilizer for PVO, and it is preferable to add 0.5% by weight or more to the spinning dope in the wet spinning method. provides long-term stability.
本発明における高温時における耐アルカリ性の具体的な
目安としては、KO350%水溶液中に浸漬し常圧沸騰
状態で1 hr放置後の繊維減量が20重量%以下であ
ることが必要でちゃ、この値は同一手法によシボリプロ
ビレン催維ヲ評価し友値に相当する。A specific guideline for alkali resistance at high temperatures in the present invention is that the fiber loss after being immersed in a 50% KO3 aqueous solution and left at normal pressure boiling for 1 hour is 20% by weight or less. The same method was used to evaluate the prophylaxis of shiboripropylene, and it corresponds to the value.
不発明の繊維は湿式紡糸方式によって製造される。湿式
紡糸における溶剤としてはpvc及びポリサルホン及び
/又はポリエーテルサルホンを溶解分散させる能力を有
する溶媒であればこれらの単一溶媒又は混合溶媒が使用
可能であジ、好ましく用いられる溶媒としては、ジメチ
ルアセトアミド、ジメチルホルムアミド、ジメチルスル
ホキシド、アセトン等が挙げられる力ζジメチルアセト
アミド、ジメチルホルムアミドがよシ好ましい溶剤とし
て使用される。これらの溶媒に、pvc、ポリサルホン
及び/又はポリエーテルサルホンを混合溶解分散し、紡
糸用原液が調製されるが紡糸原液は予じめ前記のポリマ
ー全混合し、溶剤に溶解するか、又は個々に溶解したポ
リマー溶液を混合することによって得られる。紡糸原液
の50℃における粘度は好ましくは10052000ボ
イズより好ましくは150〜1000ボイズでアシ、こ
れらの値になるように原液固形分濃度が調製される力ζ
固形分濃度はゲル化を防止する上で50重量%以下とす
るのが好ましい。The inventive fiber is produced by a wet spinning process. As the solvent for wet spinning, any single solvent or mixed solvent can be used as long as it has the ability to dissolve and disperse PVC, polysulfone, and/or polyethersulfone, and dimethyl is preferably used as the solvent. Dimethylacetamide, dimethylformamide, which includes acetamide, dimethylformamide, dimethylsulfoxide, acetone, etc., is more preferably used as a solvent. A stock solution for spinning is prepared by mixing and dispersing PVC, polysulfone, and/or polyethersulfone in these solvents.The spinning stock solution can be prepared by mixing all of the polymers in advance and dissolving them in a solvent, or by individually mixing the above-mentioned polymers. obtained by mixing a polymer solution dissolved in The viscosity of the spinning stock solution at 50°C is preferably 10,052,000 voids, more preferably 150 to 1,000 voids, and the solid content concentration of the stock solution is adjusted to these values.
The solid content concentration is preferably 50% by weight or less in order to prevent gelation.
得られた紡糸原液は紡糸口金よシ凝固液中に吐出され繊
維に賦形される。紡糸口金の大きさは、目標とする繊維
の太さに応じ適時選択される。凝固液の凝固剤としては
、ポリマーの非溶媒である水、アルコール等が使用され
るが、工業的には水が好ましい。凝固液中の凝固剤と溶
媒の比率は#固剤20S60″ILt%、溶媒80〜4
0重量1%の組成であることが望ましい。凝固剤の比率
が20重量2未満になると凝固液中に吐出された繊維は
接着を起こす。逆に凝固剤の比率が60重量%を超える
と凝固糸の接着はなくなるが凝固糸中に多量の空隙が生
じ、繊維に適切な強伸度を与える上で必要な延伸性を損
なう。The obtained spinning dope is discharged from a spinneret into a coagulating liquid and shaped into fibers. The size of the spinneret is appropriately selected depending on the target thickness of the fiber. As a coagulant for the coagulation liquid, water, alcohol, etc., which are non-solvents for the polymer, are used, and water is preferably used industrially. The ratio of coagulant and solvent in the coagulation liquid is #solid agent 20S60''ILt%, solvent 80-4
A composition of 0% to 1% by weight is desirable. When the coagulant ratio is less than 20wt2, the fibers discharged into the coagulation liquid will adhere. On the other hand, if the proportion of the coagulant exceeds 60% by weight, the coagulated fibers will not adhere, but a large amount of voids will be generated in the coagulated fibers, impairing the stretchability necessary to impart appropriate strength and elongation to the fibers.
得られた凝固糸は、80℃以下の好1しくは50〜70
℃の温水中で洗浄及び必要に応じて延伸される。温水中
で洗浄また洗浄延伸された後、さらに製水中で洗浄又は
必要に応じて延伸を行ない、繊維としての適宜な物性が
与えられる。The obtained coagulated thread has a temperature of 80°C or lower, preferably 50 to 70°C.
Washed in warm water at °C and stretched if necessary. After being washed in warm water or washed and stretched, the fibers are further washed in water or stretched as necessary to impart appropriate physical properties as a fiber.
〈発明の効果〉
以上の如く、本発明になる#l維は高温時における耐ア
ルカリ性に優れしかも耐熱性に優れることから耐アルカ
リ性の要求される産業資材分野、例えばアルカリ蓄電池
のバッテリーセパレーター用の紙、不織布、編織物の原
料や衣料、インテリア用途に有効に利用される。<Effects of the Invention> As described above, the #l fiber of the present invention has excellent alkali resistance at high temperatures and also has excellent heat resistance, so it can be used in the field of industrial materials that require alkali resistance, such as paper for battery separators of alkaline storage batteries. It is effectively used as a raw material for non-woven fabrics, knitted fabrics, clothing, and interior applications.
〈実施例〉 以下、本発明を実施例により説明す、声。<Example> Hereinafter, the present invention will be explained by way of examples.
実施例1へ4
溶剤として、ジメチルアセトアミドを用い、重合度11
00のpvaとポリサルホンの混合比率を変えた紡糸原
液を作成し、水30重量%、ジメチルア七ドアミド7a
道iijkg6、温度30℃の凝固液中へ、o、oss
mφの口金よシ吐出し引き取られた凝固糸を70℃の温
水中で洗浄し4倍延伸後、さらに、製水中で、洗浄を行
ない、油剤を付与した後乾燥し第1表に示す繊維を得た
。To Example 1 4 Using dimethylacetamide as a solvent, the degree of polymerization was 11.
A spinning stock solution with different mixing ratios of PVA 00 and polysulfone was prepared, and 30% by weight of water and dimethyl 7adamide 7a were prepared.
road iijkg6, into the coagulation liquid at a temperature of 30℃, o, oss
The coagulated thread discharged through a mφ nozzle and taken out was washed in hot water at 70°C, stretched 4 times, and further washed in water, applied with an oil agent, and dried to produce the fibers shown in Table 1. Obtained.
耐アルカリ性は、KOH30重f%水溶液中に浸漬12
0℃で1 hr 放置後の線維減量を測定した。Alkali resistance is determined by immersion in a KOH 30% aqueous solution for 12 hours.
Fiber loss was measured after being left at 0°C for 1 hr.
第1表から明らかルようにPVC85へ50重量X、ポ
リサルホン15S70重量%の組成で紡糸した線維の物
性は、製水収縮率が253以下であり、さらに高温時に
おける耐アルカリ性に優れていた。As is clear from Table 1, the physical properties of the fibers spun into PVC 85 with a composition of 50% by weight and 70% by weight of polysulfone 15S had a water production shrinkage rate of 253 or less and excellent alkali resistance at high temperatures.
実施例5〜6
重合度1100のpvcと、ポリサルホンの重量比が7
=3の組成物をジメチルアセトアミドに縛解し、さらに
ジブチルスズマレート系ポの固形分28重ftXの紡糸
原液を作成した。これらの紡糸原液t−70℃で1週間
放置した。この結果第2表に示すように紡糸原液を安定
に保つためにはジブチルスズマレート系ポリマーを0.
5 % bop以上龜加することが好ましいことがわか
る。Examples 5-6 The weight ratio of PVC with a polymerization degree of 1100 and polysulfone is 7
The composition of =3 was bound in dimethylacetamide, and a spinning stock solution having a solid content of 28 weight ftX of dibutyltin malate-based polymer was prepared. These spinning stock solutions were allowed to stand at -70°C for one week. As a result, as shown in Table 2, in order to keep the spinning dope stable, dibutyltin malate polymer must be added at 0.00%.
It can be seen that it is preferable to add 5% bop or more.
第2表
実施例7〜B
重合度1100のpvaとホリサルホンを70750の
組成比でジメチルアセトアミドに溶解し紡糸原gを得た
。この紡糸原液をジメチルアセトアミドと水の混合凝固
液中罠紡出し、以下実施例1と同様な方法で、凝固液の
混合比率を第3表の様に変更して紡糸実験を行った。Table 2 Examples 7 to B PVA having a degree of polymerization of 1100 and folysulfone were dissolved in dimethylacetamide at a composition ratio of 70750 to obtain a spinning material g. This spinning stock solution was trap-spun in a mixed coagulation solution of dimethylacetamide and water, and a spinning experiment was conducted in the same manner as in Example 1, with the mixing ratio of the coagulation solution changed as shown in Table 3.
第5表
第5表の結果から、水の割合が60重量%を超えると、
紡糸口金での糸切れ及び目づ筐9が発生するため、紡糸
不能とな夛、又、水が20重量%未満では、繊維が凝固
浴中で接Mをおこしてし1う。水が20S601t%、
ジメチルアセトアミド80へ40重t5Aの組成比の範
囲では、実用上十分な物性の繊維ができる。Table 5 From the results in Table 5, when the proportion of water exceeds 60% by weight,
Since yarn breakage and eyelids occur in the spinneret, spinning becomes impossible, and if the water content is less than 20% by weight, the fibers will undergo welding in the coagulation bath. Water is 20S601t%,
Within the range of composition ratio of 80% dimethylacetamide to 40% t5A, fibers with practically sufficient physical properties can be produced.
実施例9〜12
pvcの重合度の異なるポリマーとポリサルホンをそれ
ぞれ70750の組成比で、ジメチルアセトアミドに溶
解し、紡糸原液を得た。Examples 9 to 12 PVC polymers with different degrees of polymerization and polysulfone were each dissolved in dimethylacetamide at a composition ratio of 70,750 to obtain a spinning stock solution.
この原液t−o、os鳳φの紡糸口金より、水50重量
%、ジメチルアセドアばドア0重量%、温度50℃の凝
固液中に紡出し実施例1と同様な方法で繊維の延伸、洗
浄を行i、第4表に示すd/f の繊維を得た。From the spinneret containing this stock solution t-o, os φ, the fiber was spun into a coagulation solution containing 50% by weight of water and 0% by weight of dimethyl acedobate at a temperature of 50°C, and the fiber was drawn in the same manner as in Example 1. Washing was performed to obtain fibers with d/f shown in Table 4.
第5表で明らかのように、線維の物性、特に強度を維持
するためにはpvaの重合度を適切に選択する必要があ
る。又、重合度2900のpvc使用したが数時間のう
ちにゲル化し、紡糸ノズルよシ紡出することが不可能と
なった。As is clear from Table 5, in order to maintain the physical properties of the fibers, especially the strength, it is necessary to appropriately select the degree of polymerization of PVA. In addition, although PVC with a polymerization degree of 2900 was used, it gelled within several hours, making it impossible to spin it using a spinning nozzle.
実施例15
実施例1と同様な方法で紡糸し、凝固液から引き取った
未延伸糸を製水中で、洗浄、延伸を行ったところ、線維
の融着がおこり繊維がテープ状となってしまつ九。Example 15 When the undrawn yarn, which was spun in the same manner as in Example 1 and taken from the coagulation solution, was washed and stretched in water, the fibers were fused and became tape-shaped. Nine.
一方凝固液から引き取った未延伸糸fニア0℃の温水中
で洗浄及び4倍の延伸を行い、その後沸水中で洗浄を行
ったところ線維の融着は見られなかった。On the other hand, when the undrawn yarn f taken from the coagulation liquid was washed in warm water at 0° C. and stretched 4 times, and then washed in boiling water, no fusion of the fibers was observed.
比較例
重合度1100のpvcと重合度1100カつ塩素含有
量67重量%の後塩素化pvcを70150の重量比で
ジメチルアセトアミドKm解し、紡糸原液を得た。この
紡糸原液を実施例1と同様に湿式紡糸し、繊度1.5デ
ニール、強度1.717a、伸度18%、製水収縮率2
0%の繊維を得た。この繊維の耐アルカリ減量を本文記
載の方法によって測定したところ5.4重量%であシ十
分な耐アルカリ性能を有しないものであった。Comparative Example PVC with a polymerization degree of 1100 and post-chlorinated PVC with a polymerization degree of 1100 and a chlorine content of 67% by weight were dissolved in dimethylacetamide Km at a weight ratio of 70150 to obtain a spinning stock solution. This spinning solution was wet-spun in the same manner as in Example 1, and the fineness was 1.5 denier, the strength was 1.717a, the elongation was 18%, and the water shrinkage rate was 2.
0% fiber was obtained. When the alkali resistance loss of this fiber was measured by the method described in the text, it was 5.4% by weight, which did not have sufficient alkali resistance performance.
特許出願人 三菱レイヨン株式会社Patent applicant: Mitsubishi Rayon Co., Ltd.
Claims (5)
0重量%及びポリサルホン及び/又はポリエーテルサル
ホン15〜70重量%であり、沸水収縮率が25%以下
であることを特徴とする耐アルカリ性耐熱性に優れた合
成繊維。(1) The polymer composition in the fiber is polyvinyl chloride 85-3
0% by weight and 15-70% by weight of polysulfone and/or polyethersulfone, and has a boiling water shrinkage rate of 25% or less, and has excellent alkali resistance and heat resistance.
ン及び/又はポリエーテルサルホン 15〜70重量%の組成物を溶媒に溶解分散させ湿式紡
糸方式で繊維賦形することを特徴とする耐アルカリ性耐
熱性に優れた合成繊維の製造法。(2) Alkali-resistant and heat-resistant, characterized by dissolving and dispersing a composition of 85 to 30% by weight of polyvinyl chloride and 15 to 70% by weight of polysulfone and/or polyethersulfone in a solvent and forming the fiber by a wet spinning method. A method for producing synthetic fibers with excellent properties.
マーを用いる特許請求の範囲第2項記載の方法。(3) The method according to claim 2, which uses a polymer having a polyvinyl chloride polymerization degree of 800 to 2,500.
ムアミド、ジメチルスルホキシド及びアセトンの群から
選ばれる少なくとも1つの溶媒を用いる特許請求の範囲
第2項記載の方法。(4) The method according to claim 2, wherein at least one solvent selected from the group of dimethylacetamide, dimethylformamide, dimethylsulfoxide, and acetone is used as the solvent.
剤の割合が20〜60重量%である混合液を用いる特許
請求の範囲第2項記載の方法。(5) The method according to claim 2, wherein the coagulating liquid is a mixture of a solvent and a coagulant, and the proportion of the coagulant is 20 to 60% by weight.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29169087A JPH01139807A (en) | 1987-11-20 | 1987-11-20 | Synthetic fiber having excellent alkali and heat resistance and production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29169087A JPH01139807A (en) | 1987-11-20 | 1987-11-20 | Synthetic fiber having excellent alkali and heat resistance and production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01139807A true JPH01139807A (en) | 1989-06-01 |
Family
ID=17772145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29169087A Pending JPH01139807A (en) | 1987-11-20 | 1987-11-20 | Synthetic fiber having excellent alkali and heat resistance and production thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01139807A (en) |
-
1987
- 1987-11-20 JP JP29169087A patent/JPH01139807A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100301143B1 (en) | Flame-retardant polyvinyl alcohol base fiber | |
CA1097864A (en) | Hygroscopic fibres and filaments of synthetic polymers | |
WO2016127833A1 (en) | Acetic nitrile fibre and preparation method therefor | |
CN101696517B (en) | Method for manufacturing adsorption transfer fiber | |
JPH049204B2 (en) | ||
US4377648A (en) | Cellulose-polyacrylonitrile-DMSO-formaldehyde solutions, articles, and methods of making same | |
AU2019382753A1 (en) | Method for preparing a functional fiber | |
US4810449A (en) | Process for the production of hydrophilic polyacrylonitrile filaments or fibers | |
CN1081686C (en) | Wet PVA-crosslinking spinning technology | |
US4166091A (en) | Production of plexifilament strands | |
US3932577A (en) | Method for making void-free acrylic fibers | |
JPH01139807A (en) | Synthetic fiber having excellent alkali and heat resistance and production thereof | |
Ibrahim et al. | Spinning Techniques of Poly (vinyl Alcohol) Fibers for Various Textile Applications | |
Bajaj et al. | Modification of acrylic fibres for specific end uses | |
CN110592717A (en) | Special superfine composite fiber for flexible textiles and preparation method thereof | |
US2549913A (en) | Copolymer of acrylonitrile and isobutene and method for its production | |
JPH02259189A (en) | Sheet-like formed product with high alkali resistance | |
US4427613A (en) | Continuous process for the production of filaments or fibers from difficultly soluble synthetic polymers | |
US4381370A (en) | Method for producing fire-retarded cellulosic fibers and fire-retarded cellulosic fibers | |
JPS63126911A (en) | Ultrafine fiber of tetrafluoroethylene resin and production thereof | |
JPH10158928A (en) | Splittable acrylic synthetic yarn and its production | |
JPS62164734A (en) | Production of cation-exchangeable fiber | |
Kim | The structure of acrylic, polyvinylalcohol and polyvinylchloride fibers | |
CN116005284A (en) | Preparation method of elastic polyvinyl chloride fiber | |
KR950002818B1 (en) | Process for manufacturing a polyacrylonitril fiber by dry spinning method |