CTBN 68891-50-9 polybutadiene rubber
- 5000 Ton / Tons per Month
- tianjin
- T/T L/C
- 7 days
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Product Details
Brand Name: | YINGHSI | Place of Origin: | China | Model Number: | 1,2,3,4,5 |
Type: | Liquid | EINECS No.: | none | MF: | none |
Other Names: | CTBN | CAS No.: | 68891-50-9 | Classification: | Other Adhesives |
Usage: | Other, Bonding of aircraft parts | Main Raw Material: | Other, 1,3-butadiene |
Product Description
I. Brief description:
Liquid polybutadiene acrylonitrile with carboxyl functional group is one of the liquid rubber series products, called carboxy-terminated polybutadiene acrylonitrile rubber (referred to as nitrile carboxy carbamide), codenamed CTBN, widely used in aerospace and aviation. And the field of civil industry.
CTBN is generally used in combination with a thermosetting resin. CTBN has an active terminal carboxyl group, which can chemically react with epoxy resin to form a good chemical bond, which can greatly improve the toughness of epoxy resin.
II. Uses:
A metal structural adhesive with high strength, toughness and fatigue resistance can be made by using CTBN modified epoxy resin with about 25% acrylonitrile. It can be used for the bonding of structural parts of aircraft; used for plexiglass and polyester. With bonding, its performance is significantly improved; the glue can also be used for the bleed (glass fiber, polyester, carbon fiber) of various fabrics.
The room temperature curing adhesive prepared by CTBN and epoxy resin was used to bond aluminum and reached the highest bond strength after 72 hours. Peeling strength is 0.55Mpa, shear strength is 26.7Mpa at 90°C; CTBN modified epoxy resin is used to prepare electrical component packaging materials, and it can be cycled 200 times without cracks at -55.0~150°C, which improves the crack resistance; CTBN can also It is used as an adhesive for abrasives to make grinding wheels and cutting wheels. It has the characteristics of less adhesive, wear resistance, good polishing effect, and resistance to hot water and cutting coolant.
The viscosity of CTBN increases significantly with the increase of the nitrile group content in the molecular chain. The amount of additives (colorants, stabilizers, curing agents, fillers, etc.) during use depends on the viscosity. Viscosity is an important indicator of the performance. . The acrylonitrile content has a great influence on the processing properties and application of CTBN, and the introduction of acrylonitrile in the molecular chain increases the compatibility with phenolic resin and epoxy resin, and makes the bonding property, oil resistance and crack resistance. it has been improved. CTBN products have good aging resistance, corrosion resistance, excellent thermal stability, low temperature resistance and strong mechanical properties.
Ⅲ. Technical requirements
Dalian Yingshi International Trade Co.Ltd. Is an economic and trade company with import and export rights endorsed by the State Administration of Foreign Trade and Economic Cooperation and the General Administration of Customs. The company has a strong economic foundation, a strong network of relationships, complete technology and staffing. Companies adhering to the "professional, honest, win-win" business philosophy, is committed to insulation products, chemical raw materials and rubber products, and other fields, providing world-class products and services.
We have a very extensive product information network with partners all over the world. And we have a backbone team with proficient business and strong operational ability. While providing customers with a variety of logistics solutions, we can also open up the Chinese market for overseas customers to find sources of goods, check goods, declare customs positions, and relieve all worries of import and export. Provide professional, personalized, all-weather, all-round services.
Our aim is to: "Provide the best products at the most reasonable price and the most complete service!"
Our company is willing to cooperate wholeheartedly with colleagues from all walks of life at home and abroad to create mutual benefits and create a better future!
Contact Us
- Dalian Yingshi International Trading Co.Ltd
Ammonium perchlorate | CTBN,CTPB,HTBN,HTPB | QL-HPA | ALL |
TDI 80/20 |
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