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交聯劑TAIC(精等第)

價錢:53.00元/公斤
品牌:翰波化工
外表:通明液體 
熔點:24-26 
純度:≥98% 
起訂:25 公斤 
供貨總量:5000 公斤 
發貨刻日:自買家付款之日起 3 天內發貨
有用期至:持久有用
更新日期:2021-03-11
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具體申明

交聯劑TAIC

在過氧化物硫化系統中,插手助交聯劑TACTAIC會使硫化的焦燒時候略為提早,跟著硫化時候的耽誤,助交聯劑呈現較著的增進交聯效應。能夠因為在硫化反映的早期階段,助交聯劑份子自身產生環化聚合,并與橡膠份子接枝而耗損局部橡膠份子自在基,此些自在基在無助交聯劑時本應產生通俗的化學交聯。跟著硫化時候的耽誤,烯丙基的雙鍵與橡膠產生交聯反映占主導位置,構成活性劑橋鍵,從而進步了交聯效力。TACTAIC硫化結果的不同取決于份子活性有所不同,因為布局類似,對硫化影響不同并不較著。

用處:

1. 多種熱塑塑料(聚乙烯、聚氯乙烯、氯化聚乙烯、EVA、聚苯乙烯等)的交聯改性劑。熱交聯通俗增加量為1-3%,另加過氧化二異丙苯DCP)為O.2-1%;輻照交聯增加量為0.5-2%,可不再加DCP。交聯后可明顯進步成品的耐熱性、阻燃性、耐溶劑性、機器強度及電機能等。它比零丁接納過氧化物系統交聯,要明顯地進步產物品質,且無異味。典范用于聚乙烯,聚乙烯/氯化聚乙烯、聚乙烯/EVA、交聯電纜和聚乙烯高、低發泡成品。

2. 乙丙橡膠、各類氟橡膠、CPE等特種橡膠的助硫化劑(與DCP并用,通俗用量為0.5-4%),可明顯地延長硫化時候、進步強度、耐磨性、耐溶性、耐侵蝕性。

3. 丙烯酸、苯乙烯型離子互換樹脂的交聯劑,它比二乙烯苯交聯劑用量少、品質高,可制備抗凈化、強度大、大孔勁、耐熱、耐酸堿、抗氧化等機能##的離子互換樹酯。這是國際外早先開辟的,遠景極好的新型離子互換樹酯。

4. 聚丙烯酸酯、聚烷基丙烯酸酯等改性劑,可明顯地進步耐熱性、光學機能和工藝加工機能等。典范用于通俗無機玻璃的耐熱改性。

5. 環氧樹酯PDAP(聚苯二甲酸二烯丙酯)樹酯的改性劑,可進步耐熱性、粘合性、機器強度和尺寸不變性,典范用于環氧灌封料包封料的改性。

6. 不飽和聚酯和熱塑聚酯的交聯劑和改性劑,可明顯進步耐熱性、抗化學侵蝕性、尺寸不變性、耐候性和機器機能等。典范用于進步熱壓型不飽和聚酯玻璃鋼成品耐熱性,改性后的成品利用溫度可到達180℃以上。

7. TAIC自身的均聚物一聚三烯丙基異三聚氰酸酯為一種通明、硬質、耐熱、電絕緣良好的樹脂、亦可用于粘合玻璃及陶瓷等。典范用于制作多層寧靜玻璃。

8. 聚苯乙烯的內增塑劑、苯乙烯與TAIC等共聚改性,可制得通明的、耐碎的成品。

9. 金屬耐熱、抗輻射、耐候性的掩護劑,TAIC預聚物在金屬外表停止烤鍍,其烤鍍膜具備非常良好的耐熱、耐輻射、耐候性和電絕緣性。典范用于制作微電子產物的印刷線路板等絕緣材料。

10. 光固化涂料、光致抗蝕劑、阻燃劑和阻燃交聯劑比及的中心體。典范用于分解高效阻燃劑TBC和障礙燃交聯劑DABC

Crosslinking agent TAIC

In the peroxide vulcanization system, the addition of cross-linking agent TAC or TAIC will slightly delay the scorch time of vulcanization. With the extension of the vulcanization time, the cross-linking agent will obviously promote the cross-linking effect. It may be because in the early stage of the vulcanization reaction, the cross-linking agent molecules themselves undergo cyclization polymerization, and are grafted with rubber molecules to consume part of the rubber molecule free radicals. These free radicals should produce normal without cross-linking agent. Chemical cross-linking. With the extension of the vulcanization time, the crosslinking reaction between the double bond of the allyl group and the rubber dominates, forming an active agent bridge, thereby improving the crosslinking efficiency. The difference between the vulcanization effect of TAC and TAIC depends on the difference in molecular activity. Due to the similar structure, the difference in vulcanization effect is not obvious.

Usage:

1. Crosslinking modifier for various thermoplastics (polyethylene, polyvinyl chloride, chlorinated polyethylene, EVA, polystyrene, etc.). The amount of thermal crosslinking is generally 1-3%, and the addition of dicumyl peroxide (DCP) is O.2-1%; the amount of radiation crosslinking is 0.5-2%, and DCP can be no longer added. After cross-linking, it can significantly improve the heat resistance, flame retardancy, solvent resistance, mechanical strength and electrical properties of the product. Compared with the peroxide system alone, it has a significant improvement in product quality and no odor. Typical applications are polyethylene, polyethylene / chlorinated polyethylene, polyethylene / EVA, cross-linked cables, and polyethylene high and low foam products.

2. Ethylene propylene rubber, various fluororubbers, CPE and other special rubber vulcanization aids (combined with DCP, the general dosage is 0.5-4%), can significantly shorten the vulcanization time, improve strength, wear resistance, solvent resistance, Corrosion resistance.

3. Crosslinking agent of acrylic acid and styrene type ion exchange resin. It has less dosage and higher quality than divinylbenzene crosslinking agent. Ion exchange resin with excellent performance such as oxidation. This is a new type of ion exchange resin newly developed at home and abroad with excellent prospects.

4. Modifiers such as polyacrylate, polyalkyl acrylate, etc., can significantly improve heat resistance, optical performance and processability. Typically used for heat-resistant modification of ordinary plexiglass.

5. Modifier of epoxy resin and DAP (polyallyl phthalate) resin, which can improve heat resistance, adhesion, mechanical strength and dimensional stability. It is typically used for epoxy potting compounds. And modification of the encapsulant.

6. Unsaturated polyester and thermoplastic polyester cross-linking agent and modifier can significantly improve heat resistance, chemical resistance, dimensional stability, weather resistance and mechanical properties. It is typically used to improve the heat resistance of hot-pressed unsaturated polyester glass fiber reinforced plastic products. The service temperature of the modified products can reach more than 180 .

7. TAIC's own homopolymer polytriallyl isocyanurate is a transparent, hard, heat-resistant, and electrically insulating resin that can also be used to bond glass and ceramics. Typically used in the manufacture of multilayer safety glass.

8. Polystyrene internal plasticizer, copolymerization modification of styrene and TAIC, etc., can produce transparent, shatter-resistant products.

9. metal heat resistance, radiation resistance, weather resistance protective agent, TAIC prepolymer is baked on the metal surface, its baked coating has very good heat resistance, radiation resistance, weather resistance and electrical insulation. Typical insulating materials such as printed circuit boards used to manufacture microelectronic products.

10. Intermediates such as photo-curable coatings, photoresists, flame retardants and flame-retardant cross-linking agents. It is typically used to synthesize highly efficient flame retardant TBC and flame retardant crosslinker DABC.

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