JP2001164068A - Chlorinated vinyl chloride resin composition - Google Patents
Chlorinated vinyl chloride resin compositionInfo
- Publication number
- JP2001164068A JP2001164068A JP34563199A JP34563199A JP2001164068A JP 2001164068 A JP2001164068 A JP 2001164068A JP 34563199 A JP34563199 A JP 34563199A JP 34563199 A JP34563199 A JP 34563199A JP 2001164068 A JP2001164068 A JP 2001164068A
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- chloride resin
- chlorinated
- parts
- chlorinated vinyl
- 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.)
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- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、塩素化塩化ビニル
系樹脂組成物、特に高温での引張強度を維持して、低温
での耐衝撃強度が強く、成形加工時の溶融特性が格段に
優れた成形用塩素化塩化ビニル系樹脂組成物に関する。[0001] The present invention relates to a chlorinated vinyl chloride resin composition, in particular, to maintain high tensile strength at high temperatures, high impact strength at low temperatures, and excellent melting properties during molding. And a chlorinated vinyl chloride resin composition for molding.
【0002】[0002]
【従来の技術】塩素化塩化ビニル系樹脂の成形物は、耐
熱性が高いという特徴を有し、従来の塩化ビニル系樹脂
の成形物では加熱変形するために使用できないような比
較的高温での用途に用いられている。例えば、塩化ビニ
ル系樹脂成形物よりも熱変形温度が20〜40℃も高い
ことを利用して、熱水用パイプとして塩素化塩化ビニル
系樹脂成形物が用いられる。あるいは、塩化ビニル系樹
脂成形物よりも熱変形温度が高いことを利用して、熱の
かかる家電用のシートとして塩素化塩化ビニル系樹脂成
形物が用いられる。2. Description of the Related Art A molded article of a chlorinated vinyl chloride resin has a feature of high heat resistance, and is used at a relatively high temperature at which a conventional molded article of a vinyl chloride resin cannot be used due to heat deformation. Used for applications. For example, a chlorinated vinyl chloride resin molded article is used as a pipe for hot water, utilizing the fact that the heat distortion temperature is higher by 20 to 40 ° C. than that of a vinyl chloride resin molded article. Alternatively, a chlorinated vinyl chloride-based resin molded product is used as a sheet for household appliances to which heat is applied, utilizing the fact that the heat deformation temperature is higher than that of the vinyl chloride-based resin molded product.
【0003】一方、塩素化塩化ビニル系樹脂の成形物
は、高温での引張強度が強い反面で、低温での耐衝撃性
が弱いことが知られている。この低温での耐衝撃性が弱
いことを克服するために、塩素化塩化ビニル系樹脂組成
物においてABS,MBS等の耐衝撃改良剤を配合する
ことが知られている。これらの耐衝撃吸収剤は低温での
耐衝撃性を向上するものの十分ではなく、しかも成形加
工時の溶融特性が悪く加工性に難点があった。この問題
を解決するために、特公昭49−18102では、塩素
化塩化ビニル系樹脂組成物において、ABS及び/又は
MBSと塩素化ポリエチレンを配合することを提案して
いる。しかし、塩素化塩化ビニル系樹脂組成物に塩素化
ポリエチレンを配合することで耐衝撃性は改善されるも
のの十分でなく、耐衝撃性の大幅な改良のため塩素化ポ
リエチレンを多量に加えると塩素化塩化ビニル系樹脂成
形物の軟化温度が下がり高温での引張強度が低下するた
め好ましくない。またこの方法によると溶融加工特性は
改善するものの十分でなく、成形加工が難しい点から、
格段の向上が望まれている。以上の点からこれまでの塩
素化塩化ビニル系樹脂組成物の特性は不十分なものであ
った。On the other hand, it is known that a molded article of a chlorinated vinyl chloride resin has a high tensile strength at a high temperature, but has a low impact resistance at a low temperature. In order to overcome the low impact resistance at low temperatures, it is known to incorporate an impact modifier such as ABS or MBS into a chlorinated vinyl chloride resin composition. These shock-absorbing agents improve the impact resistance at low temperatures, but are not sufficient, and have poor melting properties at the time of molding and have a problem in workability. In order to solve this problem, Japanese Patent Publication No. 18182/1972 proposes blending ABS and / or MBS with chlorinated polyethylene in a chlorinated vinyl chloride resin composition. However, by blending chlorinated polyethylene into a chlorinated vinyl chloride resin composition, the impact resistance is improved, but not enough. It is not preferable because the softening temperature of the vinyl chloride resin molded product decreases and the tensile strength at high temperatures decreases. Also, according to this method, the melt processing characteristics are improved but not sufficient, and the molding process is difficult,
Significant improvement is desired. From the above points, the properties of the conventional chlorinated vinyl chloride resin composition were insufficient.
【0004】[0004]
【発明が解決しようとする課題】本発明の目的は、高温
での引張強度を維持したままで、低温での耐衝撃性に優
れると同時に、溶融加工特性が格段に優れた、好ましい
塩素化塩化ビニル系樹脂組成物を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a chlorinated chloride which is excellent in impact resistance at a low temperature while maintaining tensile strength at a high temperature, and which has remarkably excellent melt processing characteristics. An object of the present invention is to provide a vinyl resin composition.
【0005】[0005]
【課題を解決するための手段】本発明は、上記の目的を
達成するために、塩素化前の重合度が600〜1500
であり、塩素化度が62〜70重量%である塩素化塩化
ビニル系樹脂100重量部、ポリオルガノシロキサン1
〜9重量部および塩素化ポリエチレン1〜6重量部を含
んでなる塩素化塩化ビニル系樹脂組成物とする 。According to the present invention, in order to achieve the above object, the degree of polymerization before chlorination is from 600 to 1500.
100 parts by weight of a chlorinated vinyl chloride resin having a chlorination degree of 62 to 70% by weight, and polyorganosiloxane 1
A chlorinated vinyl chloride-based resin composition comprising from 9 to 9 parts by weight and 1 to 6 parts by weight of chlorinated polyethylene.
【0006】[0006]
【発明の実施の形態】本発明で用いられる塩素化塩化ビ
ニル系樹脂の原料である塩素化前の塩化ビニル系樹脂の
平均重合度は、600から1500,好ましくは600
〜1300、より好ましくは600〜1200であり、
塩素化塩化ビニル系樹脂の塩素化度は62〜70重量
%、好ましくは63〜70重量%、より好ましくは64
〜70重量%である。BEST MODE FOR CARRYING OUT THE INVENTION The average degree of polymerization of a vinyl chloride resin before chlorination, which is a raw material of the chlorinated vinyl chloride resin used in the present invention, is from 600 to 1500, preferably from 600.
~ 1300, more preferably from 600 to 1200,
The chlorination degree of the chlorinated vinyl chloride resin is 62 to 70% by weight, preferably 63 to 70% by weight, more preferably 64 to 70% by weight.
7070% by weight.
【0007】塩素化塩化ビニル系樹脂の原料である塩化
ビニル系樹脂の平均重合度が600未満であれば、十分
な機械的強度が得られず、一方、その重合度が1500
を越えると、樹脂組成物の加工が容易でないので好まし
くない。If the average degree of polymerization of the vinyl chloride resin as a raw material of the chlorinated vinyl chloride resin is less than 600, sufficient mechanical strength cannot be obtained, while the degree of polymerization is 1500
If it exceeds, processing of the resin composition is not easy, which is not preferable.
【0008】塩素化塩化ビニル系樹脂の塩素化度が62
重量%未満であれば、十分な耐熱性を有する組成物が得
られず、一方、塩素化度が70重量%を越えると、溶融
粘度が高くなり、樹脂組成物の加工に技術的な困難を伴
うので、好ましくない。The chlorinated vinyl chloride resin has a chlorination degree of 62
When the amount is less than 70% by weight, a composition having sufficient heat resistance cannot be obtained. On the other hand, when the degree of chlorination exceeds 70% by weight, the melt viscosity becomes high, which makes technical difficulties in processing the resin composition. It is not preferable because it involves.
【0009】本発明において「塩化ビニル系樹脂」は、
塩化ビニルの単独重合体、および塩化ビニルと他の共重
合可能な単量体(例えば、エチレン、プロピレン、酢酸
ビニル、塩化アリル、アリルグリシジルエーテル、アク
リル酸エステル、ビニルエーテル等)との共重合体を包
含する。In the present invention, "vinyl chloride resin"
Homopolymers of vinyl chloride and copolymers of vinyl chloride with other copolymerizable monomers (eg, ethylene, propylene, vinyl acetate, allyl chloride, allyl glycidyl ether, acrylate, vinyl ether, etc.) Include.
【0010】ポリオルガノシロキサンとしては、シリコ
ンゴムを含有する有機化合物であって、メチルメタクリ
レートをグラフトしているものが好ましく用いられる。
このようなポリオルガノシロキサンとして、三菱レーヨ
ン社製のS2001が知られている。As the polyorganosiloxane, an organic compound containing silicon rubber, which is grafted with methyl methacrylate, is preferably used.
As such a polyorganosiloxane, S2001 manufactured by Mitsubishi Rayon Co., Ltd. is known.
【0011】また、塩素化ポリエチレンとは、塩素含有
量20〜45重量%、好ましくは30〜40%の後塩素
化ポリエチレンであり、これらの塩素化ポリエチレンと
してダイソー社製のH135、ダウケミカル社製のTy
rin3615,Tyrin3614あるいは昭和電工
社製のエラスレン301A等が知られている。The chlorinated polyethylene is a post-chlorinated polyethylene having a chlorine content of 20 to 45% by weight, preferably 30 to 40%. These chlorinated polyethylenes include H135 manufactured by Daiso Corporation and Dow Chemical Company. Ty
Rin3615, Tyrin3614, Eraslen 301A manufactured by Showa Denko KK, and the like are known.
【0012】本発明は、塩素化塩化ビニル系樹脂組成物
にポリオルガノシロキサンを含有することを必須として
いる。これにより、高温での引張強度を維持したまま
で、低温での耐衝撃性に優れると同時に、溶融加工特性
が優れた、好ましい成形用塩素化塩化ビニル系樹脂組成
物が得られる。ポリオルガノシロキサンの含有量は塩素
化塩化ビニル系樹脂100重量部に対して1〜9重量部
であることが必要である。ポリオルガノシロキサンの含
有量が9重量部を越えると、溶融特性は改善され、低温
での耐衝撃性も向上するが、高温での引張強度が低下し
て好ましくない。一方、ポリオルガノシロキサンの含有
量が1重量部未満であると、溶融特性が改善されないの
みならず、低温での耐衝撃性も低下する。本発明では更
に上記の組成物に塩素化ポリエチレン1〜6重量部を含
有することが必須である。これにより高温での引張強度
を維持したままで、低温での耐衝撃性が極めて優れると
同時に、溶融加工特性が極めて優れた、塩素化塩化ビニ
ル系樹脂組成物が得られる。配合する塩素化ポリエチレ
ンの量が1重量部未満だとパイプの耐衝撃物性が格段に
は向上せず、6重量部を越えると塩素化塩化ビニル系樹
脂の持つ特性である耐熱性が低下する。上記塩素化ポリ
エチレンの含有量が2〜4重量部のとき、上記特性が顕
著に発揮され好ましい。In the present invention, it is essential that the chlorinated vinyl chloride resin composition contains a polyorganosiloxane. As a result, a preferable chlorinated vinyl chloride resin composition for molding, which has excellent impact resistance at low temperatures and excellent melt processing characteristics while maintaining the tensile strength at high temperatures, can be obtained. It is necessary that the content of the polyorganosiloxane is 1 to 9 parts by weight based on 100 parts by weight of the chlorinated vinyl chloride resin. If the content of the polyorganosiloxane exceeds 9 parts by weight, the melting properties are improved and the impact resistance at low temperatures is improved, but the tensile strength at high temperatures is undesirably reduced. On the other hand, when the content of the polyorganosiloxane is less than 1 part by weight, not only the melting properties are not improved but also the impact resistance at low temperatures is reduced. In the present invention, it is essential that the composition further contains 1 to 6 parts by weight of chlorinated polyethylene. As a result, a chlorinated vinyl chloride resin composition having extremely excellent impact resistance at a low temperature and extremely excellent melt processing properties while maintaining the tensile strength at a high temperature can be obtained. If the amount of the chlorinated polyethylene to be added is less than 1 part by weight, the impact resistance of the pipe will not be remarkably improved, and if it exceeds 6 parts by weight, the heat resistance which is a characteristic of the chlorinated vinyl chloride resin will be reduced. When the content of the chlorinated polyethylene is 2 to 4 parts by weight, the above characteristics are remarkably exhibited, which is preferable.
【0013】[0013]
【実施例】以下に実施例および比較例を挙げて本発明を
具体的に説明する。しかし、本発明は以下の実施例のみ
に限定されるわけではない。The present invention will be specifically described below with reference to examples and comparative examples. However, the present invention is not limited only to the following examples.
【0014】尚、実施例および比較例中、「部」または
「%」は、特に記載のない限り「重量部」または「重量
%」である。In the examples and comparative examples, "parts" or "%" means "parts by weight" or "% by weight" unless otherwise specified.
【0015】(実施例1)重合度1000の塩化ビニル
樹脂を後塩素化して塩素化度が67%の塩素化塩化ビニ
ル樹脂を得た。この塩素化塩化ビニル樹脂100部に、
衝撃吸収剤としてS2001(三菱レーヨン社製のポリ
オルガノシロキサン)6部、H135(ダイソー社製の
塩素含有量35%の塩素化ポリエチレン)2部、および
安定剤としてオクチル錫メルカプト2部、滑剤を2部、
充填剤として二酸化チタン5部を加えた。この配合物の
ハンドブレンドをおこない均一な配合物を得た。このブ
レンド配合物を、195℃の8インチのロールにて3分
間混練し、200℃のプレス機にて10分間プレス後に
切削して試験片を得た。JIS K 7110に準じて
−7℃でのアイゾット衝撃試験をおこなったところアイ
ゾット衝撃試験値は9.4kg・cm/cm2であっ
た。また、JIS K 7113に準じて82℃での引
張試験をおこなったところ、引張強度は258kg/c
m2であった。また、JIS K 7206に準じた5
kg荷重でのVicat軟化点は117.2℃だった。
高化式フローB法により径1mmで10mmの長さのノ
ズルを200℃にて流れる成形物のフロー値は2.6×
10-2cc/secであった。Example 1 A vinyl chloride resin having a degree of polymerization of 1000 was post-chlorinated to obtain a chlorinated vinyl chloride resin having a degree of chlorination of 67%. 100 parts of this chlorinated vinyl chloride resin
6 parts of S2001 (polyorganosiloxane manufactured by Mitsubishi Rayon Co., Ltd.), 2 parts of H135 (chlorinated polyethylene having a chlorine content of 35% manufactured by Daiso Co.), 2 parts of octyltin mercapto as a stabilizer and 2 parts of a lubricant as a shock absorber Department,
5 parts of titanium dioxide were added as a filler. The blend was hand blended to obtain a uniform blend. This blend was kneaded with an 8-inch roll at 195 ° C. for 3 minutes, pressed with a press machine at 200 ° C. for 10 minutes, and then cut to obtain a test piece. When an Izod impact test at -7 ° C was performed according to JIS K 7110, the Izod impact test value was 9.4 kg · cm / cm 2 . When a tensile test was conducted at 82 ° C. in accordance with JIS K 7113, the tensile strength was 258 kg / c.
m 2 . In addition, 5 according to JIS K 7206
The Vicat softening point under a kg load was 117.2 ° C.
The flow value of a molded product flowing through a nozzle having a diameter of 1 mm and a length of 10 mm at 200 ° C. by the Koka type flow B method is 2.6 ×
It was 10 -2 cc / sec.
【0016】(実施例2)重合度1000の塩化ビニル
樹脂を後塩素化して塩素化度が67%の塩素化塩化ビニ
ル樹脂を得た。この塩素化塩化ビニル樹脂100部に、
衝撃吸収剤としてS2001(三菱レーヨン社製のポリ
オルガノシロキサン)4部、H135(ダイソー社製の
塩素含有量35%の塩素化ポリエチレン)4部、および
安定剤としてオクチル錫メルカプト2部、滑剤を2部、
充填剤として二酸化チタン5部を加えた。この配合物の
ハンドブレンドをおこない均一な配合物を得た。このブ
レンド配合物を、195℃の8インチのロールにて3分
間混練し、200℃のプレス機にて10分間プレス後に
切削して試験片を得た。JIS K 7110に準じて
−7℃でのアイゾット衝撃試験をおこなったところアイ
ゾット衝撃試験値は9.9kg・cm/cm2であっ
た。また、JIS K 7113に準じて82℃での引
張試験をおこなったところ、引張強度は258kg/c
m2であった。また、JIS K 7206に準じた5
kg荷重でのVicat軟化点は117.0℃だった。
高化式フローB法により径1mmで10mmの長さのノ
ズルを200℃にて流れる成形物のフロー値は2.8×
10-2cc/secであった。Example 2 A vinyl chloride resin having a degree of polymerization of 1000 was post-chlorinated to obtain a chlorinated vinyl chloride resin having a degree of chlorination of 67%. 100 parts of this chlorinated vinyl chloride resin
4 parts of S2001 (polyorganosiloxane manufactured by Mitsubishi Rayon Co., Ltd.) and 4 parts of H135 (chlorinated polyethylene having a chlorine content of 35% manufactured by Daiso Co., Ltd.), 2 parts of octyltin mercapto as a stabilizer and 2 parts of a lubricant as a shock absorber Department,
5 parts of titanium dioxide were added as a filler. The blend was hand blended to obtain a uniform blend. This blend was kneaded with an 8-inch roll at 195 ° C. for 3 minutes, pressed with a press machine at 200 ° C. for 10 minutes, and then cut to obtain a test piece. When an Izod impact test at -7 ° C was performed according to JIS K 7110, the Izod impact test value was 9.9 kg · cm / cm 2 . When a tensile test was conducted at 82 ° C. in accordance with JIS K 7113, the tensile strength was 258 kg / c.
m 2 . In addition, 5 according to JIS K 7206
The Vicat softening point under a kg load was 117.0 ° C.
The flow value of a molded product flowing at 200 ° C. through a nozzle having a diameter of 1 mm and a length of 10 mm according to the Koka type flow B method is 2.8 ×
It was 10 -2 cc / sec.
【0017】(比較例1)重合度1000の塩化ビニル
樹脂を後塩素化して塩素化度が67%の塩素化塩化ビニ
ル樹脂を得た。この塩素化塩化ビニル樹脂100部に、
衝撃吸収剤としてB22(鐘淵化学工業社製のMBS)
6部、H135(ダイソー社製の塩素含有量35%の塩
素化ポリエチレン)2部および安定剤としてオクチル錫
メルカプト2部、滑剤を2部、充填剤として二酸化チタ
ン5部を加えた。この配合物のハンドブレンドをおこな
い均一な配合物を得た。このブレンド配合物を、195
℃の8インチのロールにて3分間混練し、200℃のプ
レス機にて10分間プレス後に切削して試験片を得た。
JIS K 7110に準じて−7℃でのアイゾット衝
撃試験をおこなったところアイゾット衝撃試験値は7.
5kg・cm/cm2であった。また、JIS K 7
113に準じて82℃での引張試験をおこなったとこ
ろ、引張強度は258kg/cm2であった。また、J
IS K 7206に準じた5kg荷重でのVicat
軟化点は116.6℃だった。高化式フローB法により
径1mmで10mmの長さのノズルを200℃にて流れ
る成形物のフロー値は1.8×10-2cc/secであ
った。Comparative Example 1 A vinyl chloride resin having a degree of polymerization of 1000 was post-chlorinated to obtain a chlorinated vinyl chloride resin having a degree of chlorination of 67%. 100 parts of this chlorinated vinyl chloride resin
B22 (MBS manufactured by Kanegafuchi Chemical Co., Ltd.) as a shock absorber
6 parts, 2 parts of H135 (chlorinated polyethylene having a chlorine content of 35% manufactured by Daiso Corporation), 2 parts of octyltin mercapto as a stabilizer, 2 parts of a lubricant, and 5 parts of titanium dioxide as a filler were added. The blend was hand blended to obtain a uniform blend. This blend formulation was added to 195
The mixture was kneaded with an 8-inch roll at a temperature of 3 ° C. for 3 minutes, pressed with a press machine at 200 ° C. for 10 minutes, and then cut to obtain a test piece.
When an Izod impact test was conducted at -7 ° C according to JIS K 7110, the Izod impact test value was 7.
It was 5 kg · cm / cm 2 . In addition, JIS K7
When a tensile test was conducted at 82 ° C. according to No. 113, the tensile strength was 258 kg / cm 2 . Also, J
Vicat at 5kg load according to IS K 7206
The softening point was 116.6 ° C. The flow value of the molded product flowing through a nozzle having a diameter of 1 mm and a length of 10 mm at 200 ° C. by the Koka type flow B method was 1.8 × 10 −2 cc / sec.
【0018】上記の実施例および比較例の結果を表1に
まとめた。Table 1 summarizes the results of the above Examples and Comparative Examples.
【0019】[0019]
【表1】 [Table 1]
【0020】[0020]
【発明の効果】実施例1、2の結果から明らかなよう
に、塩素化塩化ビニル系樹脂組成物中にポリオルガノシ
ロキサン1〜9重量部を含有し、しかも塩素化ポリエチ
レンを1〜6重量部含有した塩素化塩化ビニル系樹脂組
成物を用いると、成形体の高温での引張強度を維持した
ままで、低温での耐衝撃性に優れると同時に、溶融加工
特性が格段に優れた、好ましい塩素化塩化ビニル系樹脂
組成物を提供できる。As is clear from the results of Examples 1 and 2, the chlorinated vinyl chloride resin composition contains 1 to 9 parts by weight of polyorganosiloxane and 1 to 6 parts by weight of chlorinated polyethylene. When a chlorinated vinyl chloride resin composition is used, the molded article has excellent low-temperature impact resistance while maintaining high-temperature tensile strength, and at the same time, has excellent melt processing characteristics, and is preferably a chlorine-containing resin. A vinyl chloride resin composition can be provided.
フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C08L 23:28) C08L 23:28) Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat II (Reference) C08L 23:28) C08L 23:28)
Claims (2)
あり、塩素化度が62〜70重量%である塩素化塩化ビ
ニル系樹脂100重量部とポリオルガノシロキサン1〜
9重量部および塩素化ポリエチレン1〜6重量部を含ん
でなる塩素化塩化ビニル系樹脂組成物。1. 100 parts by weight of a chlorinated vinyl chloride resin having a degree of polymerization before chlorination of 600 to 1500, and a degree of chlorination of 62 to 70% by weight, and 100 parts by weight of polyorganosiloxane 1
A chlorinated vinyl chloride resin composition comprising 9 parts by weight and 1 to 6 parts by weight of chlorinated polyethylene.
ことを特徴とする請求項第1項記載の塩素化塩化ビニル
系樹脂組成物。2. The chlorinated vinyl chloride resin composition according to claim 1, comprising 2 to 4 parts by weight of chlorinated polyethylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34563199A JP2001164068A (en) | 1999-12-06 | 1999-12-06 | Chlorinated vinyl chloride resin composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34563199A JP2001164068A (en) | 1999-12-06 | 1999-12-06 | Chlorinated vinyl chloride resin composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001164068A true JP2001164068A (en) | 2001-06-19 |
Family
ID=18377919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP34563199A Pending JP2001164068A (en) | 1999-12-06 | 1999-12-06 | Chlorinated vinyl chloride resin composition |
Country Status (1)
Country | Link |
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JP (1) | JP2001164068A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101840127B1 (en) | 2016-09-26 | 2018-03-19 | 롯데케미칼 주식회사 | Polyethylene with good thermal stability and chlorinated polyethylene prepared by using the same |
-
1999
- 1999-12-06 JP JP34563199A patent/JP2001164068A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101840127B1 (en) | 2016-09-26 | 2018-03-19 | 롯데케미칼 주식회사 | Polyethylene with good thermal stability and chlorinated polyethylene prepared by using the same |
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