JPH0450334A - Production of drawn tape - Google Patents
Production of drawn tapeInfo
- Publication number
- JPH0450334A JPH0450334A JP15653990A JP15653990A JPH0450334A JP H0450334 A JPH0450334 A JP H0450334A JP 15653990 A JP15653990 A JP 15653990A JP 15653990 A JP15653990 A JP 15653990A JP H0450334 A JPH0450334 A JP H0450334A
- Authority
- JP
- Japan
- Prior art keywords
- tape
- film
- drawn
- polypropylene
- polyethylene terephthalate
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 30
- 239000004743 Polypropylene Substances 0.000 claims abstract description 15
- 229920001155 polypropylene Polymers 0.000 claims abstract description 15
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 14
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000155 melt Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000009941 weaving Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 238000010791 quenching Methods 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 230000002040 relaxant effect Effects 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、ポリエチレンテレフタレートを主成分とし、
耐熱収縮性に優れると共に、巻取外観に優れ、織劣化の
小さい延伸テープを製造する方法に関し、各種包装袋、
カーペット基布用等の織成糸等として有用な延伸テープ
の製造方法を提供するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention has polyethylene terephthalate as a main component,
Regarding the method of manufacturing stretched tapes that have excellent heat shrinkage resistance, excellent rolled appearance, and minimal weave deterioration, various packaging bags,
The present invention provides a method for producing a stretched tape useful as a woven yarn for carpet base fabrics, etc.
（Ｕ）従来の技術
従来より、ポリプロピレン製等の延伸テープは、織成さ
れ、米麦袋、セメント袋、フレキシブルコンテナー等の
包装資材として、またカーペット基布等として、多く使
用されている。(U) Prior Art Conventionally, stretched tapes made of polypropylene or the like have been woven and widely used as packaging materials for rice and wheat bags, cement bags, flexible containers, etc., and as carpet base fabrics.
しかしながら、最近のカーペット分野においては、裏貼
り材にポリ塩化ビニルやビチューメンを主成分とした組
成物を高温でバッキングしてなるタイル型カーペットが
出現してきており、このような高温でのバッキングによ
り、カーペットを構成するポリプロピレン製−次基布は
、著しく収縮し、カーペットとしての外観不良、寸法安
定性不良等のトラブルを起こしている。However, recently in the carpet field, tile-type carpets have appeared in which backing materials are made of polyvinyl chloride or bitumen as the main ingredients at high temperatures. The polypropylene base fabric constituting the carpet shrinks significantly, causing problems such as poor appearance and poor dimensional stability as a carpet.
又、ポリプロピレン製フレキシブルコンテナー等包装袋
分野においては、ポリプロピレンの耐熱性の観点より、
高温物を直接充填することが差し控えられてきており、
該分野における延伸テープの需要拡大に歯止めがかかっ
ているのが現状である。In addition, in the field of packaging bags such as polypropylene flexible containers, from the viewpoint of polypropylene's heat resistance,
Direct filling of high-temperature materials has been refrained,
The current situation is that the expansion of demand for stretched tapes in this field is coming to a halt.
一方、このような高温下で、変形が少なく必要強度等を
保持し得る延伸テープとして、ポリエチレンテレフタレ
ート製延伸テープの採用が考えられるが、ポリエチレン
テレフタレートの延伸テープは、テカテカした外観でヌ
メリ感を有していて、巻取外観不良、延いては織成困難
という問題を有しており、さらに、織成による強度劣化
が大きいという問題から、実用化に到っていないのが現
状である。On the other hand, a stretched tape made of polyethylene terephthalate may be used as a stretched tape that can maintain the necessary strength with little deformation under such high temperatures, but stretched tape made of polyethylene terephthalate has a shiny appearance and a slimy feel. However, it has the problem of poor appearance when wound up and difficulty in weaving.Furthermore, it has not been put into practical use due to the problem of large strength deterioration due to weaving.
（ハ）発明が解決しようとする課題
本発明は、前述の現状に鑑みてなされたものであり、耐
熱収縮性に優れると共に、巻取外観に優れ、織劣化の小
さい延伸テープの製造方法を提供することを目的とする
。(c) Problems to be Solved by the Invention The present invention has been made in view of the above-mentioned current situation, and provides a method for manufacturing a stretched tape that has excellent heat shrinkage resistance, excellent rolled appearance, and minimal weave deterioration. The purpose is to
（ニ）課題を解決するための手段
本発明の延伸テープの製造方法は、以下詳述すれば、固
有粘度〔η〕０．７〜１．１のポリエチレンテレフタレ
ート６０〜９５重量％とメルトフローレート１ル１０
〜５重量％との組成物を２６０〜２９０°Ｃでフィルム
状に溶融押出しし冷却固化してフィルムとなした後、該
フィルムをテープ状に切断し、次いで、引取方向に、６
０〜１１０°Ｃで全延伸倍率の３０〜９０％の範囲で第
１段延伸し、引続いて、１５０〜１８０°Ｃで第２段延
伸して全延伸倍率４〜８倍に延伸し、しかる後、１８０
〜２２０°Ｃで１０〜３０％の弛緩熱処理を行なうこと
を特徴とする。(d) Means for Solving the Problems The method for producing a stretched tape of the present invention will be described in detail below. A composition of 10 to 5% by weight was melt extruded into a film at 260 to 290°C, cooled and solidified to form a film, and then the film was cut into a tape, and then
First stage stretching at 0 to 110°C to a range of 30 to 90% of the total stretching ratio, followed by second stage stretching at 150 to 180°C to a total stretching ratio of 4 to 8 times, After that, 180
It is characterized by performing a relaxation heat treatment of 10 to 30% at ~220°C.
本発明において使用されるポリエチレンテレフタレート
としては、〔η〕が０． ７〜１．１、好ましくは０．
８〜１．０のものである。〔η〕が０． ７未満では、
延伸テープの引張強度が低く、又、巻取外観が劣り、織
劣化も大きい。一方、〔η〕が１．１を越えると、延伸
テープ製造時に延伸切れ等のトラブルが発生することと
なる。The polyethylene terephthalate used in the present invention has [η] of 0. 7-1.1, preferably 0.
8 to 1.0. [η] is 0. Below 7,
The tensile strength of the stretched tape is low, the appearance of the rolled tape is poor, and the weave is greatly deteriorated. On the other hand, if [η] exceeds 1.1, troubles such as stretching breakage will occur during the production of the stretched tape.
本発明において使用されるポリプロピレンとしては、メ
ルトフローレートが１〜Ｌｏｇ／１０分、好ましくは１
．５〜８ｇ／１０分のものである。メルトフローレート
がＩｇ／１０分未満では、延伸倍率を上げたときに延伸
切れ等のトラブルが発生することとなる。一方、１０ｇ
／１０分を越えると、延伸テープがテカテカしてヌメリ
感を有し、巻取外観不良となり、かつ、織劣化が大きく
なる。The polypropylene used in the present invention has a melt flow rate of 1 to Log/10 minutes, preferably 1
．． 5 to 8 g/10 minutes. If the melt flow rate is less than Ig/10 minutes, problems such as stretching breakage will occur when the stretching ratio is increased. On the other hand, 10g
If the time exceeds 10 minutes, the stretched tape will become shiny and slimy, resulting in poor appearance when wound, and significant deterioration in weave.
尚、本発明で使用されるポリプロピレンは、単独重合体
であるのが好ましいが、延伸テープの物性を損なわない
範囲で、プロピレンとエチレン、ブテン−１等との共重
合体、およびそれらの混合物等であってもよい。The polypropylene used in the present invention is preferably a homopolymer, but copolymers of propylene and ethylene, butene-1, etc., and mixtures thereof may be used as long as the physical properties of the stretched tape are not impaired. It may be.
前記ポリエチレンテレフタレートと前記ポリプロピレン
との組成割合は、前者が６０〜９５重量％、好ましくは
６５〜９０重量％、後者が４０〜５重量％、好ましくは
３５〜１０重量％である。The composition ratio of the polyethylene terephthalate and the polypropylene is such that the former is 60 to 95% by weight, preferably 65 to 90% by weight, and the latter is 40 to 5% by weight, preferably 35 to 10% by weight.
後者ポリプロピレンが５重量％未満では、延伸テープが
テカテカしてヌメリ感を有することとなり、巻取外観が
劣り、かつ、織劣化が大きくなる。−方、４０重量％を
越えると、熱収縮率が悪化する。If the latter polypropylene is less than 5% by weight, the stretched tape will become shiny and have a slimy feel, resulting in poor rolled appearance and significant weave deterioration. - On the other hand, if it exceeds 40% by weight, the heat shrinkage rate will deteriorate.
本発明の延伸テープの製造方法は、前記ポリエチレンテ
レフタレートと前記ポリプロピレンとを、必要に応じて
、熱安定剤、光安定剤、紫外線防止剤、滑剤、ブロッキ
ング防止剤、難燃剤、抗菌剤、顔料、および無機充填剤
とその分散剤等を添加して、溶融混練して組成物となし
、Ｔダイ、サーキュラ−ダイ等を用いた公知の成形機を
使用してフィルム状に溶融押出しし、冷却固化してフィ
ルムとなした後、該フィルムをテープ状に切断し、次い
で、引取方向に、熱ロール延伸機、オーブン延伸機、熱
板延伸機等の通常の延伸機を用いて高温下に全延伸倍率
４〜８倍に延伸し、しかる後、弛緩熱処理するものであ
る。The method for producing a stretched tape of the present invention includes adding the polyethylene terephthalate and the polypropylene to a heat stabilizer, a light stabilizer, an ultraviolet inhibitor, a lubricant, an anti-blocking agent, a flame retardant, an antibacterial agent, a pigment, Then, inorganic fillers and their dispersants, etc. are added, melt-kneaded to form a composition, melt-extruded into a film using a known molding machine using a T-die, circular die, etc., and cooled and solidified. After forming a film, the film is cut into tape shapes, and then fully stretched at high temperature in the take-up direction using a conventional stretching machine such as a hot roll stretching machine, an oven stretching machine, or a hot plate stretching machine. It is stretched to a magnification of 4 to 8 times, and then subjected to relaxation heat treatment.
ここで、本発明においては、組成物の前記押出温度を２
６０〜２９０°Ｃ１好ましくは２７０〜２８０°Ｃとす
る。押出温度が２６０°Ｃ未満では、押出量が低下する
と共にフィルム表面に粗れが生じ、さらに、延伸テープ
製造時に延伸切れ等のトラブルが発生することとなる。Here, in the present invention, the extrusion temperature of the composition is set to 2.
60-290°C, preferably 270-280°C. If the extrusion temperature is less than 260°C, the extrusion rate will decrease and the film surface will become rough, and furthermore, troubles such as stretching breakage will occur during the production of the stretched tape.
一方、２９０°Ｃを越えると、フィルム厚みの均一なも
のが得られ難くなる。On the other hand, if the temperature exceeds 290°C, it becomes difficult to obtain a film with a uniform thickness.
又、本発明においては、前記引取方向の延伸を２段階に
分けて行ない、その第１段階では、６０〜１１０°Ｃ１
好ましくは６５〜１００°Ｃで、全延伸倍率の３０〜９
０％、好ましくは３５〜８５％の範囲で延伸し、その第
２段階では、１５０〜１８０°Ｃ１好ましくは１５５〜
１７５°Ｃで、全延伸倍率の７０〜１０％、好ましくは
６５〜１５％の範囲で延伸する。第１段延伸の温度が６
０°Ｃ未満では、延伸切れが発生し、一方、１１０°Ｃ
を越えると、タテ皺が生じテープ幅の均一なものが得ら
れ難くなる。又、第１段延伸の倍率が全延伸倍率の３０
％未満では、引張強度が低く、又、巻取外観も低下し、
織劣化も大きい。一方９０％を越えると、熱収縮率が悪
化し、巻取外観も低下する。Further, in the present invention, the stretching in the drawing direction is performed in two stages, and in the first stage, the temperature is 60 to 110°C.
Preferably at 65-100°C and at a total stretching ratio of 30-9
0%, preferably 35-85%, and in the second stage, 150-180°C1, preferably 155-85%.
Stretching is carried out at 175°C at a range of 70 to 10%, preferably 65 to 15% of the total stretching ratio. The temperature of the first stage stretching is 6
Below 0°C, stretch breakage occurs; on the other hand, below 110°C
If it exceeds this, vertical wrinkles will occur and it will be difficult to obtain a tape with a uniform width. Moreover, the magnification of the first stage stretching is 30 of the total stretching magnification.
If it is less than %, the tensile strength will be low and the rolled appearance will also deteriorate.
Textile deterioration is also significant. On the other hand, if it exceeds 90%, the heat shrinkage rate will deteriorate and the rolled appearance will also deteriorate.
更に、第２段延伸の温度が１５０°Ｃ未満では、熱収縮
率が悪化し、一方、１８０°Ｃを越えると、延伸切れが
発生する。Furthermore, if the second-stage stretching temperature is less than 150°C, the heat shrinkage rate will deteriorate, while if it exceeds 180°C, stretching breakage will occur.
更に、本発明においては、前記弛緩熱処理を１８０〜２
２０°Ｃ１好ましくは１９０〜２１０°Ｃで、１０〜３
０％の弛緩率で行なう。処理温度が１８０°Ｃ未満では
、熱処理率が大きく、一方、２２０℃を越えると、テー
プ切れが発生する。又、弛緩率が１０％未満では、熱収
縮率が太き（、方、３０％を越えると、引張強度が低下
する。Furthermore, in the present invention, the relaxation heat treatment is performed at a temperature of 180 to 2
20°C1 preferably 190-210°C, 10-3
Perform with a relaxation rate of 0%. If the treatment temperature is less than 180°C, the heat treatment rate will be high, while if it exceeds 220°C, tape breakage will occur. Moreover, if the relaxation rate is less than 10%, the thermal shrinkage rate will be large (on the other hand, if it exceeds 30%, the tensile strength will decrease).
（ネ）作用および効果
本発明の延伸テープの製造方法は、ポリエチレンテレフ
タレートを主成分とすると共に、延伸を特定条件下で２
段階に分けて行なうことにより、高引張強度を有すると
共に耐熱収縮性に優れ、更に、そのポリエチレンテレフ
タレートの固有粘度〔η］を特定範囲のものとし、かつ
、それと特定範囲のメルトフローレートのポリプロピレ
ンとの組成物を用いることにより、巻取外観にも優れ、
織成による織劣化も小さい、延伸テープを製造すること
ができるものである。(f) Functions and Effects The method for producing a stretched tape of the present invention comprises polyethylene terephthalate as a main component, and stretching is carried out under specific conditions.
By performing the process in stages, the polyethylene terephthalate has high tensile strength and excellent heat shrinkage resistance, and the intrinsic viscosity [η] of the polyethylene terephthalate is within a specific range, and it is combined with polypropylene having a melt flow rate within a specific range. By using this composition, the winding appearance is excellent,
It is possible to produce a stretched tape with little weave deterioration due to weaving.
（へ）実施例
実施例１〜８、比較例１〜１１
熱風循環式乾燥機を用いて１５０°Ｃで４時間乾燥した
ポリエチレンテレフタレートにポリプロピレンを混合し
、６５ｍｍφの押出機を用いてＴダイで２７０°Ｃでフ
ィルム状に溶融押出しし、２０ｍ／分の速度で引取りな
がら冷却固化してフィルムとなした後、該フィルムをテ
ープ状に切断し、次いで、引取方向に、熱板延伸機によ
り９０℃で第１段延伸し、引続いて、オーブン延伸機に
より１７０℃で第２段延伸して全延伸倍率５．２〜５．
８倍に延伸し、しかる後、オーブン中で１９０°Ｃで弛
緩熱処理を行なうことにより、１２００デニルの延伸テ
ープを製造した。なお、この際のポリエチレンテレフタ
レートの固有粘度〔η〕、ポリプロピレンのメルトフロ
ーレート、並びに両者の組成割合、第１段階と第２段階
の各延伸倍率、及び、弛緩率は、表１に示した通りとし
た。(F) Examples Examples 1 to 8, Comparative Examples 1 to 11 Polypropylene was mixed with polyethylene terephthalate that had been dried at 150°C for 4 hours using a hot air circulation dryer, and a T-die was added using a 65 mmφ extruder. After melt-extruding into a film at 270°C and cooling and solidifying it while taking it off at a speed of 20 m/min, the film was cut into tapes and then stretched in the drawing direction with a hot plate stretching machine. The first stage of stretching was carried out at 90°C, followed by the second stage of stretching at 170°C using an oven stretching machine to obtain a total stretching ratio of 5.2 to 5.
A 1200 denier stretched tape was produced by stretching 8 times and then subjecting it to relaxation heat treatment at 190°C in an oven. In this case, the intrinsic viscosity [η] of polyethylene terephthalate, the melt flow rate of polypropylene, the composition ratio of both, each stretching ratio in the first stage and the second stage, and the relaxation rate are as shown in Table 1. And so.
得られた延伸テープの引張強度、熱収縮率、テカテカ感
やヌメリ感や凹凸等の巻取外観の評価結果を表１に示し
た。Table 1 shows the evaluation results of the tensile strength, heat shrinkage rate, and rolled appearance of the obtained stretched tape, such as shiny feel, slimy feel, and unevenness.
なお、ここで、引張強度は、ＪＩＳ Ｚ １５３３に
よって測定したものであり、熱収縮率は２００°Ｃのオ
イル恒温槽中に１０分間浸漬した後の収縮率を測定した
ものである。又、巻取外観は目視にて判定した。Here, the tensile strength is measured according to JIS Z 1533, and the heat shrinkage rate is the shrinkage rate measured after immersion in an oil constant temperature bath at 200°C for 10 minutes. Further, the appearance of the rolled film was visually determined.
また、実施例４．６．８、比較例４．９．１０の延伸テ
ープを用いて、スルーザー型織機にて、経糸、緯糸共に
１２本／インチで打込んで平織の織布を織成した。Further, using the stretched tapes of Example 4.6.8 and Comparative Example 4.9.10, a plain weave woven fabric was woven using a Sluzer type loom, with both the warp and weft being woven at a rate of 12 threads/inch.
得られた織布の引張強力、織劣化率の測定結果を表２に
示した。Table 2 shows the measurement results of the tensile strength and weave deterioration rate of the obtained woven fabric.
なお、これら各物性は以下の方法によって測定したもの
である。Note that each of these physical properties was measured by the following method.
引張強力、ＪＩＳ Ｌ、１０６Ｂによる織劣化率；Tensile strength, JIS L, woven deterioration rate according to 106B;
Claims (1)
タレート６０〜９５重量％とメルトフローレート１〜１
０ｇ／１０分のポリプロピレン４０〜５重量％との組成
物を２６０〜２９０℃でフィルム状に溶融押出しし冷却
固化してフィルムとなした後、該フィルムをテープ状に
切断し、次いで、引取方向に、６０〜１１０℃で全延伸
倍率の３０〜９０％の範囲で第１段延伸し、引続いて、
１５０〜１８０℃で第２段延伸して全延伸倍率４〜８倍
に延伸し、しかる後、１８０〜２２０℃で１０〜３０％
の弛緩熱処理を行なうことを特徴とする延伸テープの製
造方法。[Claims] 60 to 95% by weight of polyethylene terephthalate having an intrinsic viscosity [η] of 0.7 to 1.1 and a melt flow rate of 1 to 1.
A composition of 40 to 5% by weight of polypropylene of 0 g/10 min was melt-extruded into a film at 260 to 290°C, cooled and solidified to form a film, and then the film was cut into a tape shape, and then the film was cut in the drawing direction. Then, first stage stretching was carried out at 60 to 110°C in a range of 30 to 90% of the total stretching ratio, and subsequently,
2nd stage stretching at 150-180°C to a total stretching ratio of 4-8 times, then 10-30% at 180-220°C
1. A method for producing a stretched tape, which comprises performing a relaxation heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15653990A JP2782376B2 (en) | 1990-06-14 | 1990-06-14 | Manufacturing method of stretched tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15653990A JP2782376B2 (en) | 1990-06-14 | 1990-06-14 | Manufacturing method of stretched tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450334A true JPH0450334A (en) | 1992-02-19 |
| JP2782376B2 JP2782376B2 (en) | 1998-07-30 |
Family
ID=15630008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15653990A Expired - Fee Related JP2782376B2 (en) | 1990-06-14 | 1990-06-14 | Manufacturing method of stretched tape |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2782376B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011202330A (en) * | 2010-03-26 | 2011-10-13 | Diatex Co Ltd | Flame-retardant flat yarn |
-
1990
- 1990-06-14 JP JP15653990A patent/JP2782376B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011202330A (en) * | 2010-03-26 | 2011-10-13 | Diatex Co Ltd | Flame-retardant flat yarn |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2782376B2 (en) | 1998-07-30 |
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