Poly(vinyl cinnamate)

Poly(vinyl cinnamate)

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WuhanYuanchengTechnology$Development Co.,Ltd

Free Member  (2011)

[ Wuhan, HU, China ]

Business Type:  Manufacturer

Supplier has 50 products

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Product Description

CAS: 9050-06-0
Under UV irradiation, poly(vinyl cinnamate) (PVCi) films undergo cross-linking due to [2 + 2] photocycloaddition between cinnamoyl groups. Consequently, electronic configuration of lateral polymer groups changes and also leads to the drop of the refractive index in the visible range. This mechanism is studied with regards to the level of the electronic absorption of cinnamate centered at 278 nm. It acts on refractive index by shifting the absorption UV band. Most of the time, this influence vanishes in the near infrared region (NIR). It is due to antagonist phenomena acting at the expense of the index lowering. The causes analysis leads us to optimize the irradiation spectrum, providing higher index contrasts between irradiated and nonirradiated area. We show that strong index changes can be achieved in PVCi film, up to 2.5 10-2 even in the NIR, enabling us, for example, to perform optical photoprinting waveguides for telecommunication wavelengths (1300-1550 nm).

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About Us

Yuancheng Technology (Wuhan) Co., Ltd. Sales Department is the production of fine chemicals, flavors and fragrances, food additives, pharmaceutical raw materials and intermediates such as R & D, production, management and sales of high-tech chemical enterprise is located in Wuhan Wuchang Nanhu ?Uprising innovative biochemical Industrial Park, the transportation is very convenient factory covers an area of 300 acres, plant area clean and tidy environment, rational layout, under the GMP standard with all kinds of big and medium-sized workshops and shop to help plant, equipped with advanced instruments and equipment quality control and research centers.
The company mainly produces benzene, formaldehyde, cinnamic aldehyde, cinnamic acid, cinnamic alcohol, cinnamic nitrile, ?-bromo cinnamic aldehyde, amyl cinnamic aldehyde, hydroxy acid, (Trifluoromethyl) cinnamic acid, acetic acid Gui ester, cinnamic acid B fat, tranexamic acid, metronidazole, acyclovir, valacyclovir hydrochloride, ketoconazole, minocycline hydrochloride, biotin, coenzyme Q10, riboflavin sodium phosphate, D-calcium pantothenate, muscle alcohol, saccharin, melatonin, etc., which only reached cinnamon 100 kinds of products, its quality and technical content have reached the advanced level, the estimated annual output of up to 10 billion yuan. The company has independent import and export rights, Products sold throughout the country and exported to Europe, America and Southeast Asia more than 20 countries and regions, much domestic and international customers.
Yuancheng Technology advocated "people-oriented, technology leadership, social services," business philosophy, adhere to the "marriage of science and technology" road, based on high standards, new technologies, high-quality company with a group engaged in the chemical management, production, development of high-tech personnel, professional and technical staff account for 30% of the total number of companies committed to high-tech product research, development, production, innovative products will continue to market the company as the quality of life for the enterprise, with perfect quality assurance system and sound control systems. has several sets of liquid chromatography, gas chromatography and ultraviolet spectrophotometer, such as efficient, high-sensitivity analytical instruments, and has passed ISO9001 quality system certification.
Our staff will make unremitting efforts, dedication to the pursuit of excellence in quality and the perfect brand and corporate image, adhering to the "honest, diligent, refinement, progressive" spirit of enterprise, "Quality is life, service is the soul" of the enterprise business ideas, first-class products and quality services to meet market demand, we "far from the city who" always meet market challenges! sincerely welcome customers at home and abroad to negotiate trade, cooperative ventures, create brilliant!

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