JPH0220543A - Vinyl chloride resin composition having excellent stability to irradiate with gamma ray - Google Patents
Vinyl chloride resin composition having excellent stability to irradiate with gamma rayInfo
- Publication number
- JPH0220543A JPH0220543A JP17010088A JP17010088A JPH0220543A JP H0220543 A JPH0220543 A JP H0220543A JP 17010088 A JP17010088 A JP 17010088A JP 17010088 A JP17010088 A JP 17010088A JP H0220543 A JPH0220543 A JP H0220543A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- chloride resin
- weight
- alkyl
- parts
- 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
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000011342 resin composition Substances 0.000 title claims abstract description 10
- 230000005251 gamma ray Effects 0.000 title description 5
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000004014 plasticizer Substances 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims abstract description 5
- 239000007983 Tris buffer Substances 0.000 claims abstract description 4
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 3
- -1 alkoxyalkyl ester Chemical class 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 9
- 125000004183 alkoxy alkyl group Chemical group 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 229920001577 copolymer Polymers 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 229920000578 graft copolymer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- HGQSXVKHVMGQRG-UHFFFAOYSA-N dioctyltin Chemical compound CCCCCCCC[Sn]CCCCCCCC HGQSXVKHVMGQRG-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OWHSTLLOZWTNTQ-UHFFFAOYSA-N 2-ethylhexyl 2-sulfanylacetate Chemical compound CCCCC(CC)COC(=O)CS OWHSTLLOZWTNTQ-UHFFFAOYSA-N 0.000 description 1
- GPZYYYGYCRFPBU-UHFFFAOYSA-N 6-Hydroxyflavone Chemical compound C=1C(=O)C2=CC(O)=CC=C2OC=1C1=CC=CC=C1 GPZYYYGYCRFPBU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 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
- 239000002253 acid Substances 0.000 description 1
- 229920006222 acrylic ester polymer Polymers 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000004414 alkyl thio group Chemical group 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- SGWHIVHMTJJAGX-UHFFFAOYSA-N bis(10-methylundecyl) benzene-1,2-dicarboxylate Chemical compound CC(C)CCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCC(C)C SGWHIVHMTJJAGX-UHFFFAOYSA-N 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- SLUTZBDOCDXRSH-UHFFFAOYSA-N butyl docosanoate Chemical compound CCCCCCCCCCCCCCCCCCCCCC(=O)OCCCC SLUTZBDOCDXRSH-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- FUXJJBJXVZIIMV-UHFFFAOYSA-N dioctyl cyclohexane-1,2-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1CCCCC1C(=O)OCCCCCCCC FUXJJBJXVZIIMV-UHFFFAOYSA-N 0.000 description 1
- FZWBABZIGXEXES-UHFFFAOYSA-N ethane-1,2-diol;hexanedioic acid Chemical compound OCCO.OC(=O)CCCCC(O)=O FZWBABZIGXEXES-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- MEBJLVMIIRFIJS-UHFFFAOYSA-N hexanedioic acid;propane-1,2-diol Chemical compound CC(O)CO.OC(=O)CCCCC(O)=O MEBJLVMIIRFIJS-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IIGMITQLXAGZTL-UHFFFAOYSA-N octyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCCCCCC IIGMITQLXAGZTL-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 229920005670 poly(ethylene-vinyl chloride) Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は、塩化ビニル樹脂組成物に関するものである。[Detailed description of the invention] <Industrial application field> The present invention relates to a vinyl chloride resin composition.
詳しくはガンマ線闇射に対して優れた安定性を有する塩
化ビニル樹脂組成物に関するものである。Specifically, the present invention relates to a vinyl chloride resin composition that has excellent stability against exposure to gamma rays.
〈従来の技術〉
従来医療用機器の材料として用いられている塩化ビニル
樹脂組成物は、ポリ塩化ビニル１００ｍ−１ｆｆｌＳ、
シー２エチルへキシル７タレート３０乃至１００重量部
及びエポキシ化大豆油Ｏ乃至１０重号部に対し、ジオク
チルスズビス（メルカプト酢酸２−エチルヘキシルエス
テル）カ０１重量部乃至５．０重量部及び成形時の流れ
性や成形品の表面を改良するため必要に応じて滑剤など
が添加配合されている。<Prior art> Vinyl chloride resin compositions conventionally used as materials for medical devices include polyvinyl chloride 100m-1fflS,
01 to 5.0 parts by weight of dioctyltin bis(mercaptoacetic acid 2-ethylhexyl ester) to 30 to 100 parts by weight of C2 ethylhexyl 7 tallate and 0 to 10 parts by weight of epoxidized soybean oil and at the time of molding. Lubricants and the like are added as necessary to improve the flowability and surface of molded products.
〈発明が解決しようとする課題〉
これ等の配合物を用いて成形された医療用器具をガンマ
線照射の方法で滅菌しようとする場合には、塩化ビニル
樹脂が、ガンマ糾によって劣化して安定性を損い、経時
的に著しく着色が進行し、また成形物の表面に吐出物が
現われ、或いは抽出試験の成績が不十分なものとなる、
など医療用機器とじ【は、不適格なものになってしまっ
ていた。<Problems to be Solved by the Invention> When trying to sterilize medical instruments molded using these compounds by gamma irradiation, the vinyl chloride resin deteriorates due to gamma irradiation and becomes unstable. coloring progresses significantly over time, exudates appear on the surface of the molded product, or the results of the extraction test become unsatisfactory.
Such medical device binding had become unsuitable.
く課題を解決するための手段〉
本発明者等は、ガンマ線照射による塩化ビニル樹脂組成
物成形品の劣化による、経時的着色の進行を防止し、さ
らに経時的に成形品の表面に吐出物（ブルームあるいは
ブリード）が現われるのを防止することを目的に銀量検
討を重ねた結果、塩化ビニル樹脂１００重量部、可塑剤
５乃至６０重量部からなる配合物に対し、下記（１）式
で示されるモノアルキルスズトリス（メルカプトアルカ
ン酸アルキル又はアルコキシアルキルエステル）及び〔
冨〕式で示されるジアルキルスズビス（メルカプトアル
カン酸アルキル又ハアルコキシアルキルエステル）が１
００対０乃至５０対５０のｔｔ比で混合された安定剤を
１．０重量部乃至３．０重量部を配合することにより、
ガンマ線照射に対しすぐれた安定性を有する塩化ビニル
樹脂組成物を得ることが出来、この組成物を材料として
用いた成形品は、ガン出して本発明に到達した。Means for Solving the Problems> The present inventors have developed a method to prevent the progress of discoloration over time due to deterioration of molded products made of vinyl chloride resin compositions due to gamma ray irradiation, and to prevent discharged matter ( As a result of repeated studies on the amount of silver for the purpose of preventing the appearance of bloom or bleed, the following formula (1) was used for a composition consisting of 100 parts by weight of vinyl chloride resin and 5 to 60 parts by weight of plasticizer. monoalkyltintris (alkyl mercaptoalkanoate or alkoxyalkyl ester) and
Dialkyltin bis (alkyl mercaptoalkanoate or haalkoxyalkyl ester) represented by the formula
By blending 1.0 parts by weight to 3.0 parts by weight of stabilizers mixed at a tt ratio of 00:0 to 50:50,
A vinyl chloride resin composition having excellent stability against gamma ray irradiation can be obtained, and a molded article using this composition as a material has been developed to achieve the present invention.
（Ｉ） Ｒ２Ｓｎ（Ｓ（ＣＨ２）ｍｃＯＲ”〕２〔但
し、式中Ｒ１は炭素数１乃至ｌＯのアルキル基 Ｒ２は
炭素数１乃至１８のアルキル基又は
（（ＣＨ，）ｐｏ）７Ｒ３Ｃ厘〕
（Ｐは２乃至６．ｔは１乃至３．Ｒ３は炭素数１乃至１
８のアルキル基を示す。）
で示されるアルコキシ（ポリあるいはモノ）アルキレン
基、ｍは１乃至２を示す。〕
本発明で用いられる塩化ビニル樹脂とは、塩化ビニルの
単一重合体、塩化ビニルと共重合し得るオレフィン又は
とニルモノマーとの塩化ビニルを５０係以上含有する共
重合体、これら重合体相互の混合体又は他の重合体との
混合体（ポリマーブレンド）を指す。塩化ビールの単−
重合体及び共重合体として具体的には、ポリ塩化ビニル
、酢酸ビニル−塩化ビニル共重合体。(I) R2Sn(S(CH2)mcOR")2 [wherein R1 is an alkyl group having 1 to 10 carbon atoms, R2 is an alkyl group having 1 to 18 carbon atoms or ((CH,)po)7R3C] P is 2 to 6. t is 1 to 3. R3 is carbon number 1 to 1.
8 shows the alkyl group. ) An alkoxy (poly or mono)alkylene group represented by the following, m represents 1 to 2. ] The vinyl chloride resin used in the present invention refers to a homopolymer of vinyl chloride, a copolymer containing 50% or more of vinyl chloride with an olefin or monomer that can be copolymerized with vinyl chloride, and a mixture of these polymers. polymer or a mixture with other polymers (polymer blend). Single chloride beer
Specific examples of the polymer and copolymer include polyvinyl chloride and vinyl acetate-vinyl chloride copolymer.
エチレン−塩化ビニル共重合体、プロピレン−塩化ビニ
ル共重仲体、工ｔレンー酢酸ビニル−塩化ビニルグラフ
ト共重合体、アクリル酸エステル−塩化ビニルグラフト
共重合体等がある。Examples include ethylene-vinyl chloride copolymer, propylene-vinyl chloride copolymer, polyethylene-vinyl acetate-vinyl chloride graft copolymer, and acrylic acid ester-vinyl chloride graft copolymer.
これらと混合し得る他の重合体の例として、エチレｙ−
酢酸ビニル共重合体、エチレン−酢酸ビニルー−酸化炭
素共重合体、アクリルエステル重合体、メタアクリルエ
ステル−ブタジェン−スチレングラフト共重合体、ある
いは、特殊ボリクレタン樹脂等がある。Examples of other polymers that can be mixed with these include ethylene
Examples include vinyl acetate copolymers, ethylene-vinyl acetate-carbon oxide copolymers, acrylic ester polymers, methacrylic ester-butadiene-styrene graft copolymers, and special polycrethane resins.
本発明で用いられる可塑剤は従来用いられているものを
使用する。これら可塑剤は通常使われているように塩化
ビニル樹脂１００重量部に対し０乃至３０重諷部使用さ
れ、具体的にはジベンジルフタレート、ブチル・ベンジ
ル７タレート、ジヘキシルフタレート、ジー２エチルへ
キシルフタレート、ジイントリデシルフタレート、ジイ
ソドデシルフタレート、に代表されるジアルキルフタレ
ート、ジオクチルアジペートジイソノニルアジペートに
代表されるジアルキルアジペート、アジピン酸−１，４
ブタンジオル系ポリエステル、アジピン酸−エチレング
リコール系ポリエステル、アジピン酸−プロピレングリ
コール系ポリエステル等のアジピン酸を主酸成分とする
ポリエステル系可塑剤がある。The plasticizer used in the present invention is one that is conventionally used. These plasticizers are used in an amount of 0 to 30 parts by weight per 100 parts by weight of vinyl chloride resin, as is commonly used. phthalate, dialkyl phthalate represented by diintridecyl phthalate, diisododecyl phthalate, dialkyl adipate represented by dioctyl adipate, diisononyl adipate, adipic acid-1,4
There are polyester plasticizers containing adipic acid as a main acid component, such as butanediol polyester, adipic acid-ethylene glycol polyester, and adipic acid-propylene glycol polyester.
本発明で用いられるエポキシ化合物は従来用いられてい
るように、塩化ビニル樹脂１００重量部に対してＯ乃至
２０重量部使用され、具体的にはエポキシ化大豆油、エ
ボキク化アマニ油。The epoxy compound used in the present invention is used in an amount of 0 to 20 parts by weight per 100 parts by weight of vinyl chloride resin, as has been conventionally used, and specifically, epoxidized soybean oil and oxidized linseed oil.
エホキシ化ヒマシ油、エポキシ化ステア９７１ｔ！ブチ
ルエポキシ化ステアリン酸オクチル、エポキシ化ベヘニ
ン酸ブチル、エポキシへキサヒドロフタル酸ジオクチル
等があるＯ
本発明で用いられるモノアルキルスズトリス（メルカプ
トアルカン酸アルキル又はアルコキシアルキルエステル
）及ヒジアルキルスズビス（メルカプトアルカン酸アル
キル又はアルコキシアルキルエステル）の具体的な例を
表−１に示した。ただし、本発明は表−１の化合物に限
定されるものではない。Ephoxidized castor oil, epoxidized star 971t! Examples include butyl epoxidized octyl stearate, epoxidized butyl behenate, epoxy dioctyl hexahydrophthalate, etc. Monoalkyl tin tris (alkyl mercapto alkanoate or alkoxy alkyl ester) and hydialkyl tin bis (mercapto alkanoate) used in the present invention Specific examples of the alkyl alkanoate or alkoxyalkyl ester are shown in Table 1. However, the present invention is not limited to the compounds shown in Table-1.
表−１
〈実 施 例〉
実施例１゜
表−２の組成物を１６０℃に加熱した２本ロールにて混
練し、シートを作成した。次いで熱プレスして厚さ０．
７％の試験片を作成した。Table 1 <Example> Example 1 The composition shown in Table 2 was kneaded using two rolls heated to 160°C to prepare a sheet. Next, heat press to obtain a thickness of 0.
A 7% test piece was prepared.
この試験片にガンマ線を３．５ ＭＲａｄ照射し、照射
直後及び６０℃に温調した箱の内に６０日間放置し、そ
のシートの色調を目視と、分光光度計ＵＶ−２４０（高
滓製作所製）において４００℃ｍの波長の光線透過率を
測定して経時変色として判定した。This test piece was irradiated with 3.5 MRad of gamma rays, and immediately after irradiation, it was left in a box temperature-controlled at 60°C for 60 days. ), the light transmittance at a wavelength of 400° C.m was measured, and discoloration over time was determined.
また、表面状態を観察し、吐出現象の程度を判定した。In addition, the surface condition was observed and the extent of the discharge phenomenon was determined.
〈発明の効果〉
従来の方法で安定化された塩化ビニル樹脂組成物は、ガ
ンマ線照射により着色が著しく、かつ表面への吐出物が
多（、医療用としてはもとより一般商品価値を著しく低
下させる。<Effects of the Invention> Vinyl chloride resin compositions stabilized by conventional methods are significantly colored by gamma ray irradiation, and a large amount of material is discharged onto the surface (this significantly reduces the value of the product not only for medical use but also for general commercial use).
従来）方法とはジオクチルスズビス（メルカプ）酢ｆ！
！２２−エチルヘキシルエステル）ヲ、０．１１１景部
乃至５．０ｉｉｉ部添加配合する方法であり、これに対
し、本発明のモノアルキルスズトリス（メルカプトアル
カン酸アルキル又はアルコキシアルキルエステル）及び
ジアルキルスズビス（メルカプトアルカン酸アルキル又
はアルコキシアルキルエステル）が１００対Ｏ乃至５０
対５００重量比で混合された安定剤を１．０重量部乃至
３．０重量部を配合することにより加熱成形性が優れ、
ガンマ線照射により著しい着色や表面上の吐出物が現れ
ない成形品を得ることが出来る。Conventional) method is dioctyltin bis(mercap) vinegar f!
! In this method, 0.111 to 5.0 parts of 22-ethylhexyl ester) are added and blended. alkyl mercaptoalkanoate or alkoxyalkyl ester) from 100 to 50
By blending 1.0 to 3.0 parts by weight of a stabilizer mixed at a weight ratio of 500 to 500, excellent heat moldability is obtained.
By gamma ray irradiation, it is possible to obtain a molded product that does not show significant coloring or discharged substances on the surface.
Claims (2)
重量部からなる配合物に対し、下記〔 I 〕式で示され
るモノアルキルスズトリス（メルカプトアルカン酸アル
キル又はアルコキシアルキルエステル）及び〔II〕式で
示されるジアルキルスズビス（メルカプトアルカン酸ア
ルキル又はアルコキシアルキルエステル）が１００対０
乃至５０対５０の重量比で混合された安定剤を１．０重
量部乃至３．０重量部を配合して成るガンマ線照射に対
し、すぐれた安定性を有する塩化ビニル樹脂組成物。 〔 I 〕▲数式、化学式、表等があります▼ 〔II〕▲数式、化学式、表等があります▼ 〔但し、式中Ｒ＾１は炭素数１乃至１０のアルキル基、
Ｒ＾２は炭素数１乃至１８のアルキル基又は ▲数式、化学式、表等があります▼〔III〕 （ｐは２乃至６、ｌは１乃至３、Ｒ＿３は炭素数１乃至
１８のアルキル基を示す。） で示されるアルコキシ（ポリあるいはモノ）アルキレン
基、ｍは１乃至２を示す。〕(1) 100 parts by weight of vinyl chloride resin, 5 to 60 parts by weight of plasticizer
parts by weight of monoalkyltin tris (alkyl mercaptoalkanoate or alkoxyalkyl ester) represented by the following formula [I] and dialkyltin bis (alkyl mercaptoalkanoate or alkoxyalkyl ester) represented by the formula [II]. Esther) 100-0
A vinyl chloride resin composition having excellent stability against gamma irradiation, comprising 1.0 parts by weight to 3.0 parts by weight of a stabilizer mixed in a weight ratio of 50 to 50. [I]▲There are mathematical formulas, chemical formulas, tables, etc.▼ [II]▲There are mathematical formulas, chemical formulas, tables, etc.▼ [However, in the formula, R^1 is an alkyl group having 1 to 10 carbon atoms,
R^2 is an alkyl group having 1 to 18 carbon atoms, or ▲ has a numerical formula, chemical formula, table, etc. ▼ [III] (p is 2 to 6, l is 1 to 3, R_3 is an alkyl group having 1 to 18 carbon atoms) ) is an alkoxy (poly or mono)alkylene group, m represents 1 to 2. ]
アルキル又はアルコキシアルキルエステル）とジアルキ
ルスズビス（メルカプトアルカン酸アルキル又はアルコ
キシアルキルエステル）との重量比が６０対４０乃至８
０対２０である特許請求の範囲第（１）項記載の塩化ビ
ニル樹脂組成物。(2) The weight ratio of monoalkyltin tris (alkyl mercaptoalkanoate or alkoxyalkyl ester) to dialkyltinbis (alkyl mercaptoalkanoate or alkoxyalkyl ester) is 60:40 to 8
The vinyl chloride resin composition according to claim (1), which has a ratio of 0:20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17010088A JPH0220543A (en) | 1988-07-08 | 1988-07-08 | Vinyl chloride resin composition having excellent stability to irradiate with gamma ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17010088A JPH0220543A (en) | 1988-07-08 | 1988-07-08 | Vinyl chloride resin composition having excellent stability to irradiate with gamma ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220543A true JPH0220543A (en) | 1990-01-24 |
Family
ID=15898635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17010088A Pending JPH0220543A (en) | 1988-07-08 | 1988-07-08 | Vinyl chloride resin composition having excellent stability to irradiate with gamma ray |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133391A (en) * | 1993-11-11 | 1995-05-23 | Kyodo Yakuhin Kk | Halogenated resin composition excellent in heat stability |
| JP2019508570A (en) * | 2016-03-08 | 2019-03-28 | ピーエムシー オルガノメタリクス，インク． | REACH compliant high performance stabilizer with methyl tin and octyl tin for PVC membrane production |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59140247A (en) * | 1982-12-10 | 1984-08-11 | アメリカン・ヘキスト・コ−ポレ−シヨン | Stabilizer and radiation resistant halogenated vinyl resin composition containing same |
| JPS6210154A (en) * | 1985-07-08 | 1987-01-19 | Dainippon Ink & Chem Inc | Vinyl chloride resin composition |
-
1988
- 1988-07-08 JP JP17010088A patent/JPH0220543A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59140247A (en) * | 1982-12-10 | 1984-08-11 | アメリカン・ヘキスト・コ−ポレ−シヨン | Stabilizer and radiation resistant halogenated vinyl resin composition containing same |
| JPS6210154A (en) * | 1985-07-08 | 1987-01-19 | Dainippon Ink & Chem Inc | Vinyl chloride resin composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07133391A (en) * | 1993-11-11 | 1995-05-23 | Kyodo Yakuhin Kk | Halogenated resin composition excellent in heat stability |
| JP2019508570A (en) * | 2016-03-08 | 2019-03-28 | ピーエムシー オルガノメタリクス，インク． | REACH compliant high performance stabilizer with methyl tin and octyl tin for PVC membrane production |
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