JPH11158339A - Vinyl chloride-based resin composition for covering optical fiber - Google Patents
Vinyl chloride-based resin composition for covering optical fiberInfo
- Publication number
- JPH11158339A JPH11158339A JP9326671A JP32667197A JPH11158339A JP H11158339 A JPH11158339 A JP H11158339A JP 9326671 A JP9326671 A JP 9326671A JP 32667197 A JP32667197 A JP 32667197A JP H11158339 A JPH11158339 A JP H11158339A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- weight
- resin composition
- parts
- optical fiber
- 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
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明に属する技術分野】本発明は、被覆対象物の光フ
ァイバ−への光損失の影響が少なく、また、屋外で使用
されても耐候性劣化の少ない成形加工性に優れた塩化ビ
ニル系樹脂組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vinyl chloride resin which is less affected by light loss of an object to be coated to an optical fiber and has excellent moldability with little deterioration in weather resistance even when used outdoors. It relates to a composition.
【０００２】[0002]
【従来の技術】従来光ファイバーの緩衝層の上に直接被
覆される熱可塑樹脂材料としてナイロン等が使用されて
きた。しかしナイロンが故に硬くケーブルとして作業性
が悪くまた成形性が難しかった。また屋外使用では雨等
水分による加水分解問題等で耐候性が悪く長期使用に耐
えない等の不具合があった。2. Description of the Related Art Conventionally, nylon or the like has been used as a thermoplastic resin material directly coated on a buffer layer of an optical fiber. However, because of the nylon, it was hard and the workability as a cable was poor, and the moldability was difficult. In addition, when used outdoors, there are problems such as poor weather resistance due to hydrolysis problems caused by moisture such as rain and the enduring long-term use.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、光ファイバ
−の２次被覆材として光ファイバ−の光損失が少なく柔
軟で屋外使用に耐えうる加工性良好な塩化ビニル系樹脂
組成物を提供するものである。SUMMARY OF THE INVENTION The present invention provides a vinyl chloride resin composition as a secondary coating material for an optical fiber, which has low light loss of the optical fiber, is flexible, and can be used outdoors and has good workability. Things.
【０００４】[0004]
【課題を解決するための手段】本発明は、塩化ビニル系
樹脂１００重量部に対し安定剤１から１０重量部、可塑
剤３５から５５重量部、分子量が２００以上３５０以下
で融点が１２０℃以上１４５℃以下の紫外線吸収剤０．
２から０．７重量部、分子量が１０００から３０００の
範囲で融点が４０℃以上１００℃以下の光安定剤０．１
から０．３重量部を耐候性付与剤として使用することを
特徴とする光ファイバ−被覆用塩化ビニル系樹脂組成物
であり、１００％モジュラスが１０から１５Ｍｐａであ
り、１０年相当促進耐候性試験後耐寒性が−２０℃以下
である光ファイバ−被覆用塩化ビニル系樹脂組成物であ
る。According to the present invention, 1 to 10 parts by weight of a stabilizer, 35 to 55 parts by weight of a plasticizer, a molecular weight of 200 to 350 and a melting point of 120 ° C. to 100 parts by weight of a vinyl chloride resin. UV absorber at 145 ° C or lower
2 to 0.7 parts by weight, a light stabilizer having a molecular weight of 1,000 to 3,000 and a melting point of 40 ° C. to 100 ° C.
From 0.3 to 0.3 parts by weight as a weathering agent, a vinyl chloride resin composition for coating optical fibers, having a 100% modulus of 10 to 15 Mpa and an accelerated weathering test equivalent to 10 years. An optical fiber-coated vinyl chloride resin composition having a post-cold resistance of −20 ° C. or less.
【０００５】[0005]
【発明の実施の形態】本発明において塩化ビニル系樹脂
とは、広くＣＨ2−ＣＨＣＬで表される基を有するポリ
マーすべてを指し、塩化ビニルの単独重合体、及びエチ
レン−塩化ビニル共重合体等の塩化ビニルと酢酸ビニル
を除く他の重合性モノマーとの共重合体、並びに後塩素
化ビニル共重合体等の単独及び共重合体を改質したも
の、さらには塩素化ポリエチレン等の構造上塩化ビニル
樹脂と類似の塩素化ポリオレフィンを包含する。また、
これら塩化ビニル系樹脂は数平均重合度で３００から７
０００が好ましく、更には５００〜２０００の重合度を
有していることが望ましい。これらの塩化ビニル系樹脂
を単独又は、二種類以上併用して本発明の塩化ビニル系
樹脂組成物における塩化ビニル系樹脂成分とすることが
出来る。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, vinyl chloride resin refers to all polymers having a group represented by CH 2 —CHCL widely, such as vinyl chloride homopolymer and ethylene-vinyl chloride copolymer. Of vinyl chloride and other polymerizable monomers except vinyl acetate, and homo- and modified copolymers such as post-chlorinated vinyl copolymers; Includes chlorinated polyolefins similar to vinyl resins. Also,
These vinyl chloride resins have a number average polymerization degree of 300 to 7
000 is preferable, and more preferably, it has a polymerization degree of 500 to 2,000. These vinyl chloride resins can be used alone or in combination of two or more kinds as a vinyl chloride resin component in the vinyl chloride resin composition of the present invention.
【０００６】安定剤としては特に指定はされないが通常
のＰＶＣの安定化に使用されるものであればよい。例え
ば、鉛系、バリリウム−亜鉛系、カルシウム−亜鉛系等
が挙げられる。安定剤の添加量は、塩化ビニル系樹脂１
００重量部に対して、１から１０重量部である。安定剤
の添加量が１重量部未満ではＰＶＣへの安定剤としての
効果が少なく、１０重量部を超えるとチョ−キングの問
題がある。[0006] The stabilizer is not particularly specified, but may be any as long as it is used for stabilizing ordinary PVC. For example, lead-based, barium-zinc-based, calcium-zinc-based and the like can be mentioned. The amount of the stabilizer added is 1
1 to 10 parts by weight with respect to 00 parts by weight. If the amount of the stabilizer is less than 1 part by weight, the effect of the stabilizer on PVC is small, and if it exceeds 10 parts by weight, there is a problem of choking.
【０００７】使用する可塑剤としてはＤＯＰ、ｎ−ＤＯ
Ｐ、ＤＩＮＰ、ＤＩＤＰ、混合アルキルフタレート等の
フタル酸エステル、トリオクチルトリメリテート、トリ
オクチルピロメリテート等の芳香族カルボン酸エステル
系、ＤＯＡ、ＤＯＺ、ＤＯＳ等の脂肪酸二塩基性エステ
ル系、エポキシ大豆油、エポキシアマニ油等のエポキシ
系、ＴＣＰ、ＴＯＰ等のリン酸エステル系、塩素化パラ
フィン、ポリエステル系等があり、単独あるいは２種以
上の併用で使用できるが、好ましくは耐寒性、及び耐候
性の面からフタル酸エステルが望ましくそのアルキルと
しては１０以上が好ましい。可塑剤の添加量は、光ファ
イバ−の光損失のから３５から５５重量部である。可塑
剤の添加量が３５重量部未満では１００％モジュラスが
１５Ｍｐａ以上になりケーブルとしての柔軟性が損なわ
れる。また光損失の影響が大きくなり好ましくない。ま
た４５重量部を超えると１００％モジュラスが１０Ｍｐ
ａ以下になり２次被覆材として厚みを増やさなければな
らない不具合がある。The plasticizers used are DOP, n-DO
P, DINP, DIDP, phthalic acid esters such as mixed alkyl phthalate, aromatic carboxylic acid esters such as trioctyl trimellitate, trioctyl pyromellitate, fatty acid dibasic esters such as DOA, DOZ, DOS, epoxy There are epoxy type such as soybean oil and epoxy linseed oil, phosphate type such as TCP and TOP, chlorinated paraffin, polyester type and the like, and these can be used alone or in combination of two or more, but preferably cold resistance and weather resistance From the viewpoint of properties, phthalic acid esters are desirable, and the alkyl is preferably 10 or more. The added amount of the plasticizer is 35 to 55 parts by weight based on the optical loss of the optical fiber. If the amount of the plasticizer is less than 35 parts by weight, the 100% modulus becomes 15 Mpa or more, and the flexibility as a cable is impaired. In addition, the influence of light loss increases, which is not preferable. If it exceeds 45 parts by weight, the 100% modulus becomes 10 Mp.
a, the thickness of the secondary coating material must be increased.
【０００８】耐候性付剤として紫外線吸収剤、光安定剤
を使用するが、紫外線吸収剤としては分子量は２００以
上３５０以下、好ましくは２００以上２５０以下、融点
が１２０℃以上１４５℃以下好ましくは１２０℃以上１
３５℃以下である。光安定剤としてはヒンダ−ドアミン
系の使用が望ましく分子量が１０００から３０００、融
点が４０℃以上１００℃以下のものが好ましい。紫外線
吸収剤の添加量は０．２から１．０重量部が好ましい。
０．２重量部未満では紫外線吸収の効果が少なく、１．
０重量部を超えると粉ふき等の問題が発生する。また光
安定剤の添加量は０．１から０．３重量部が好ましい。
０．１重量部未満では安定剤の効果が少なく、０．３重
量部を超えると経済性に不具合がでてくる。An ultraviolet absorber and a light stabilizer are used as a weathering agent. The ultraviolet absorber has a molecular weight of 200 to 350, preferably 200 to 250, and a melting point of 120 ° C. to 145 ° C., preferably 120. Over 1 ℃
35 ° C. or less. As the light stabilizer, a hindered amine-based light stabilizer is preferable, and those having a molecular weight of 1,000 to 3,000 and a melting point of 40 to 100 ° C. are preferable. The added amount of the ultraviolet absorber is preferably from 0.2 to 1.0 part by weight.
If the amount is less than 0.2 parts by weight, the effect of ultraviolet absorption is small.
If it exceeds 0 parts by weight, problems such as dusting occur. The addition amount of the light stabilizer is preferably 0.1 to 0.3 parts by weight.
If the amount is less than 0.1 part by weight, the effect of the stabilizer is small, and if it exceeds 0.3 part by weight, economical disadvantages occur.
【０００９】本発明の塩化ビニル系樹脂組成物は必要に
応じて前記以外に滑剤、無機充填剤、キレーター、加工
助剤、着色剤等、架橋助剤を添加しても構わない。The vinyl chloride resin composition of the present invention may contain a crosslinking aid such as a lubricant, an inorganic filler, a chelator, a processing aid, and a coloring agent, if necessary, in addition to the above.
【００１０】以下に本発明を実施例によって更に詳細に
説明するが、本発明は、これら実施例に限定されるもの
でない。Hereinafter, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to these Examples.
【実施例】以下に示す実施例及び比較例において配合し
た成分は、以下の通りである。 ・塩化ビニル樹脂：ＰＶＣ（東ソー（株）製；平均重合
度＝１３００） ・三塩基性硫酸鉛（水澤化学（株）製） ・可塑剤：ＤＵＰ（フタル酸ジウンデシルエステル：新
日本理化（株）製） ・ＵＶＡ１（紫外線吸収剤：分子量２２５、融点１３２
℃） ・ＵＶＡ２（紫外線吸収剤：分子量３１７、融点１３８
℃） ・ＵＶＡ３（紫外線吸収剤：分子量３２３、融点１５２
℃） ・ＵＶＡ４（紫外線吸収剤：分子量４４５、融点１３７
℃） ・ＨＡＬＳ１（ヒンダードアミン系光安定剤：分子量２
０００、融点９８℃） ・ＨＡＬＳ２（ヒンダードアミン系光安定剤：分子量４
８０、融点８３℃）The components blended in the following examples and comparative examples are as follows. -Vinyl chloride resin: PVC (manufactured by Tosoh Corporation; average degree of polymerization = 1300)-Tribasic lead sulfate (manufactured by Mizusawa Chemical Co., Ltd.)-Plasticizer: DUP (diundecyl phthalate: Shin Nippon Rika Co., Ltd.) )) UVA1 (ultraviolet absorber: molecular weight 225, melting point 132)
° C) ・ UVA2 (ultraviolet absorber: molecular weight 317, melting point 138)
° C) ・ UVA3 (UV absorber: molecular weight 323, melting point 152)
° C) · UVA4 (ultraviolet absorber: molecular weight 445, melting point 137)
° C) HALS1 (hindered amine light stabilizer: molecular weight 2)
HALS2 (hindered amine light stabilizer: molecular weight 4)
80, melting point 83 ° C)
【００１１】＜実施例１〜５及び比較例１〜７＞上記原
料を用い、表１〜表３に示した配合組成をバンバリミキ
サーで混練し、その混練物をロールに通し薄いシート状
にした。それをプレス加工して所定の厚みのシート状試
料を作成した。<Examples 1 to 5 and Comparative Examples 1 to 7> Using the above raw materials, the composition shown in Tables 1 to 3 was kneaded with a Banbury mixer, and the kneaded product was passed through a roll to form a thin sheet. . It was pressed to form a sheet-like sample having a predetermined thickness.
【００１２】それから以下に挙げる項目の評価を行っ
た。以下に評価項目と評価条件を示す。 （１）１００％モジュラス：ＪＩＳ Ｋ６７２３準拠 （２）耐寒性：ＪＩＳ Ｋ６７２３準拠 （３）耐候性：ＪＩＳ Ａ１４１５準拠 ２５００Ｈｒｓ照射（屋外使用１０年相当）後の耐寒性
測定 これらの結果を表１から表３に示した。Then, the following items were evaluated. The evaluation items and evaluation conditions are shown below. (1) 100% modulus: JIS K6723 compliant (2) Cold resistance: JIS K6723 compliant (3) Weather resistance: JIS A1415 compliant Cold resistance measurement after 2500 Hrs irradiation (corresponding to 10 years outdoor use) These results are shown in Table 1 to Table 1. 3 is shown.
【表１】 [Table 1]
【００１３】[0013]
【表２】 [Table 2]
【００１４】[0014]
【表３】 [Table 3]
【００１５】[0015]
【発明の効果】本発明の塩化ビニル系樹脂組成物は光フ
ァイバ−の被覆材料として長期の屋外使用にも耐えうる
ことが出来るようになり屋外で光ケ−ブルが使用できる
ようになった。As described above, the vinyl chloride resin composition of the present invention can withstand long-term outdoor use as a coating material for an optical fiber, and an optical cable can be used outdoors.
フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｇ０２Ｂ 6/44 ３０１ Ｇ０２Ｂ 6/44 ３０１Ａ Continued on the front page (51) Int.Cl. 6 identification code FI G02B 6/44 301 G02B 6/44 301A
Claims (3)
定剤１から１０重量部、可塑剤３５から５５重量部、分
子量が２００以上３５０以下で融点が１２０℃以上１４
５℃以下の紫外線吸収剤０．２から０．７重量部、分子
量が１０００から３０００の範囲で融点が４０℃以上１
００℃以下の光安定剤０．１から０．３重量部を耐候性
付与剤として使用することを特徴とする光ファイバ−被
覆用塩化ビニル系樹脂組成物。1 to 10 parts by weight of a stabilizer, 35 to 55 parts by weight of a plasticizer, a molecular weight of 200 to 350, and a melting point of 120 to 140, based on 100 parts by weight of a vinyl chloride resin.
0.2 to 0.7 parts by weight of an ultraviolet absorbent having a temperature of 5 ° C. or less, a molecular weight of 1,000 to 3,000, and a melting point of 40 ° C. to 1,
A vinyl chloride resin composition for coating an optical fiber, wherein 0.1 to 0.3 parts by weight of a light stabilizer having a temperature of 00 ° C. or less is used as a weather resistance imparting agent.
ａである請求項１記載の光ファイバ−被覆用塩化ビニル
系樹脂組成物。2. A 100% modulus of 10 to 15 Mp.
The vinyl chloride resin composition for coating an optical fiber according to claim 1, which is a.
２０℃以下である請求項記載１の光ファイバ−被覆用塩
化ビニル系樹脂組成物。3. Cold resistance after accelerated weathering test equivalent to 10 years
The vinyl chloride resin composition for coating optical fibers according to claim 1, wherein the temperature is 20 ° C or lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32667197A JP3337409B2 (en) | 1997-11-27 | 1997-11-27 | Vinyl chloride resin composition for optical fiber coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32667197A JP3337409B2 (en) | 1997-11-27 | 1997-11-27 | Vinyl chloride resin composition for optical fiber coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11158339A true JPH11158339A (en) | 1999-06-15 |
| JP3337409B2 JP3337409B2 (en) | 2002-10-21 |
Family
ID=18190372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32667197A Expired - Fee Related JP3337409B2 (en) | 1997-11-27 | 1997-11-27 | Vinyl chloride resin composition for optical fiber coating |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3337409B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016004090A (en) * | 2014-06-16 | 2016-01-12 | 三菱レイヨン株式会社 | Optic fiber coating resin composition, optical fiber cable and sensor |
-
1997
- 1997-11-27 JP JP32667197A patent/JP3337409B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016004090A (en) * | 2014-06-16 | 2016-01-12 | 三菱レイヨン株式会社 | Optic fiber coating resin composition, optical fiber cable and sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3337409B2 (en) | 2002-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4327199A (en) | Thermoplastic crystalline polyester modified acrylic copolymer rubber | |
| JP2003064233A (en) | Polyvinyl chloride-based resin film for agriculture and polyvinyl chloride-based resin composition | |
| JP3337409B2 (en) | Vinyl chloride resin composition for optical fiber coating | |
| JPH0411647A (en) | Vinyl chloride resin composition | |
| JP2520345B2 (en) | Soft polyvinyl chloride resin waterproof sheet | |
| US4380606A (en) | Acrylic copolymer rubber/polyvinylchloride | |
| JPH05302055A (en) | Chlorine-containing coating composition | |
| JP4030653B2 (en) | Anti-fogging agent composition for synthetic resin | |
| JPH11157883A (en) | Low toxic vinyl chloride resin composition for optical fiber coating | |
| JPH11140233A (en) | Rubber composition and vulcanized rubber composition | |
| JPH02300389A (en) | Leather | |
| JPH02179743A (en) | Composite sheet | |
| JP3379175B2 (en) | Thermoplastic elastomer | |
| JP2000226483A (en) | Vinyl chloride resin composition | |
| JP2619462B2 (en) | Chlorinated ethylene copolymer mixture | |
| JPH0892449A (en) | Waterproof sheet made from plasticized polyvinyl chloride resin | |
| JP2753336B2 (en) | Chlorsulfonated polyethylene composition | |
| JPS59102943A (en) | Vinyl chloride resin composition | |
| JP2001234014A (en) | Vinyl chloride-based resin composition and cable using the same | |
| JPS595617B2 (en) | Composition for waterproof sheets | |
| JPH0423837A (en) | Flexible polyvinyl chloride resin-based waterproof sheet | |
| JP3503190B2 (en) | Vinyl chloride resin composition and agricultural vinyl chloride film using the same | |
| JP3175658B2 (en) | Vinyl chloride resin molded product | |
| JP2949864B2 (en) | Agricultural vinyl chloride resin film | |
| JP2002356596A (en) | Vinyl chloride resin composition having advanced weatherability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080809 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080809 Year of fee payment: 6 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080809 Year of fee payment: 6 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080809 Year of fee payment: 6 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080809 Year of fee payment: 6 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090809 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100809 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100809 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110809 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120809 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130809 Year of fee payment: 11 |
|
| LAPS | Cancellation because of no payment of annual fees |