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ポリクロロピレン

ポリクロロピレン 化学構造式
9010-98-4
CAS番号.
9010-98-4
化学名:
ポリクロロピレン
别名:
ポリクロロピレン;ポリ(クロロプレン);クロロプレン樹脂;ポリクロロプレン;クロロプレン重合物;クロロプレンゴム
英語化学名:
Polychloroprene
英語别名:
gr-m;CR244;fs651;TS809;TS919;TS808;ec1368;nairit;duprene;svitpren
CBNumber:
CB0414643
化学式:
C4H5Cl
分子量:
88.5355
MOL File:
9010-98-4.mol

ポリクロロピレン 物理性質

融点 :
>260 °C
比重(密度) :
1.23 g/mL at 25 °C(lit.)
貯蔵温度 :
-196°C
外見 :
chunks
色:
White to beige
CAS データベース:
9010-98-4(CAS DataBase Reference)
IARC:
3 (Vol. 19, Sup 7) 1987
EPAの化学物質情報:
Chloroprene polymer (9010-98-4)

安全性情報

Sフレーズ  24/25
WGK Germany  3
RTECS 番号 EI9640000
有毒物質データの 9010-98-4(Hazardous Substances Data)
化審法 一般化学物質

ポリクロロピレン 価格 もっと(3)

メーカー 製品番号 製品説明 CAS番号 包装 価格 更新時間 購入
富士フイルム和光純薬株式会社(wako) W01POS21289
Poly(2-chloro-1,3-butadiene)
9010-98-4 100g ¥46100 2021-03-23 購入
Sigma-Aldrich Japan 205400 ポリクロロプレン 85% trans, 10% cis
Polychloroprene 85% trans, 10% cis
9010-98-4 250g ¥26400 2021-03-23 購入
Sigma-Aldrich Japan 205397 ポリクロロプレン 85% trans, 10% cis
Polychloroprene 85% trans, 10% cis
9010-98-4 250g ¥25100 2021-03-23 購入

ポリクロロピレン MSDS


Polychloroprene

ポリクロロピレン 化学特性,用途語,生産方法

解説

クロロプレンCH2=CCl-CH=CH2の高重合体.ペルオキソ-硫酸カリウムを触媒として乳化重合によって得られる.普通,80% 以上がトランス-1,4構造を有する.trans-1,4-ポリクロロプレンは密度1.65 g cm-3(25 ℃,結晶),1.23 g cm-3(25 ℃,非晶).結晶の融点 Tm = 80 ℃,ガラス転移温度 Tg - 47 ℃,θ溶媒はメチルエチルケトンである.合成ゴムとして利用されている.[CAS 9010-98-4]
森北出版「化学辞典(第2版)

主な用途/役割

クロロプレンの重合で得られる合成ゴム。布、プラスチックフィルム、紙、発泡体のようなフレキシブルなものを接着する接着剤、木材用水系高分子イソシアネート系接着剤に使用される。

化学的特性

white to beige chips or chunks

来歴

Polychloroprene was discovered in 1930 at E. I. DuPont de Nemours & Co. inWilmington Delaware. The discovery grew out of a need to develop a synthetic substitute for natural rubber. DuPont first marketed this first commercially successful synthetic elastomer as DuPrene in 1933. In response to new technology development that significantly improved the product and manufacturing process, the name was changed to Neoprene in 1936. The current commercially acceptable generic name for this class of chlorinated elastomers is CR or chloroprene rubber.
polychloroprene structure
polychloroprene structure

使用

Polychloroprene is a (Solid) Mechanical rubber products, lining oil-loading hose and reaction equipment, adhesive cement, binder for rocket fuels, coatings for electric wiring, gaskets and seals. (Liquid) Specialty items made by dipping or electrophoresis from the latex. (Foam) Adhesive tape to replace metal fasteners for automotive accessories, seat cushions, carpet backing, sealant

定義

ChEBI: A macromolecule composed of repeating (2Z)-2-chlorobut-2-ene-1,4-diyl units.

調製方法

Commercial polychloroprene rubber is manufactured by aqueous free-radical emulsion polymerization followed by isolation of the solid polymer by one of several processes: freeze roll isolation, drum drying , extruder isolation, precipitation and drying or spray drying. Isolation of powdered polychloroprene has been reviewed. Of the methods cited, freeze roll and drum drying isolation are commercially important.
The large-scale commercial manufacture of polychloroprene consists of eight or nine unit operations:
(1) Monomer solution makeup Water solution makeup
(2) Emulsification
(3) Polymerization
(4) Stripping of residual monomer
(5) Peptization for chloroprene–sulfur copolymers
(6) Freeze roll isolation Drum drying
(7) Drying of freeze-rolled film
(8) Roping
(9) Cutting and packaging (25kg)

製造方法

Polychloroprene is made from one of two starting materials, acetylene or butadiene. Acetylene can be dimerized and then chloronated to form chloroprene. Alternatively, when adequate butadiene is available, this can be directly halogenated (eqs. 7 and 8). In either case, the chloroprene product can then be polymerized to polychloroprene. Essentially a butadiene elastomer with chlorine present in the backbone,the polymer exhibits excellent tensile strength and low hysteresis, much like natural rubber. Tensile strength properties up to 28 MPa are possible with the proper reinforcing system (see FILLERS). The polarity imparted by the chlorine atom improves the oil and solvent resistance approaching those of nitrile polymers. The polymer can be protected with para-phenylenediamine antiozonants to give ozone resistance, and heat aging is also good. As a result, chloroprene elastomers are used in a wide variety of applications needing a balance of such properties.

危険性

Questionable carcinogen.

工業用途

One of the first synthetic rubbers used commercially to the rubber industry, neoprene is a polymer of chloroprene, 2-chlorobutadiene- 1,3. In the manufacturing process, acetylene, the basic raw material, is dimerized to vinylacetylene and then hydrochlorinated to the chloroprene monomer.
Sulfur is used to vulcanize some types of neoprene, but most of the neoprenes are vulcanized by the addition of basic oxides such as magnesium oxide and zinc oxide. The cure proceeds through reaction of the metal oxide with the tertiary allylic chlorine that arises from the small amount of 1,2-polymerization that occurs. Other compounding and processing techniques follow similar procedures and use the same equipment as for natural rubber. One of the outstanding characteristics of neoprene is the good tensile strength without the addition of carbon black filler. This versatility makes them useful in many applications requiring oil, weather, abrasion, or electrical resistance or combinations of these properties, such as wire and cable, hose, belts, molded and extruded goods, soles and heels, and adhesives.

材料の用途

The most widely used contact adhesive is a solution of polychloroprene or modified polychloroprene in solvent blends of aromatic hydrocarbons, aliphatic hydrocarbons, esters, or ketones, for example, toluene–hexane–acetone. Viscosity, dry time needed before bonding, bond strength, and price are affected by the solvent. Using various combinations of the isomeric forms of polymerized 2- chlorobutadiene permits a fine-tuning of the crystallization rate of the dissolved polymer as the solvent evaporates. The polychloroprene may also be modified by the incorporation of methacrylic acid or mercaptans. Metal oxides (MgO and ZnO) that scavenge acids are often part of polychloroprene adhesives and also may act as cross-linking agents. Oxygen scavengers such as butylated hydroxytoluene (BHT) [128-37-0] or naphthylamines [25168-10-9] are added to prevent dehydrochlorination. To build initial handling strength, the solvent-based polychloroprene contact adhesives may be modified with alkyl phenolics, terpene phenolics, or phenolic-modified rosin esters, the first of these being the most effective and least deleterious. Chlorinated rubbers are sometimes added to these adhesives to improve their adhesion to plasticized PVC and other plastics. Added just before adhesive application, isocyanates are useful in modification of polychloroprene contact adhesives, reacting perhaps through hydrolysis of the pendant allylic groups present from the small number of 1,2 isomeric segments. The remainder of the solvent-based contact adhesives are comprised of polyurethane, SBR, styrene–butadiene–styrene block polymers, butadiene–acrylonitrile rubber, natural rubber, or various acrylic or vinyl resins in suitable solvents.

ポリクロロピレン 上流と下流の製品情報

原材料

準備製品


ポリクロロピレン 生産企業

Global( 79)Suppliers
名前 電話番号 ファックス番号 電子メール 国籍 製品カタログ 優位度
Henan Tianfu Chemical Co.,Ltd.
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0371-55170693 info@tianfuchem.com China 22607 55
GZ HONCH CHEMICAL TECHNOLOGY CO.,LTD
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9010-98-4(ポリクロロピレン)キーワード:


  • 9010-98-4
  • poly(2-chlorobutadiene)
  • sovprene
  • svitpren
  • trans-1,4-polychloroprene
  • vulkoleprs3
  • CR244
  • CHLOROPRENE RESIN
  • POLYCHLOROPRENE
  • POLY(2-CHLORO-1,3-BUTADIENE)
  • NEOPRENE GNA
  • NEOPRENE GRT
  • NEOPRENE GW
  • NEOPRENE(R)
  • NEOPRENE TRT
  • NEOPRENE TW
  • NEOPRENE W
  • NEOPRENE WHV
  • NEOPRENE WRT
  • 1,3-Butadiene,2-chloro-,homopolymer
  • 1,4-cispoly(chloropene)
  • Polychloroprene 85% trans, 10% cis
  • poly(chloroprene) macromolecule
  • 2-chloro-1,3-butadienehomopolymer
  • 2-chloro-1,3-butadienepolymer
  • POLYCHLOROPRENE, MOONEY VISCOSITY 50
  • POLYCHLOROPRENE, AVERAGE MW CA. 200,000, MOONEY VISCOSITY 40
  • POLYCHLOROPRENE, MOONEY VISCOSITY 100
  • poly(Chloroprene)10%cis,85%trans
  • Poly(chloroprene)10%cis-85%trans
  • POLYCHLOROPRENERUBBERCR24412440
  • ポリクロロピレン
  • ポリ(クロロプレン)
  • クロロプレン樹脂
  • ポリクロロプレン
  • クロロプレン重合物
  • クロロプレンゴム
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