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圣龙王同步带
圣龙王同步带
圣龙王同步带
圣龙王同步带
juming

2017

Juming Chemical was established in 2017

About Jvming

Photoinitiator Manufacturer

Jiangsu Juming Chemical Technology Co., Ltd. is a high-tech enterprise specializing in the research and development, production, sales and service of chemical raw materials such as photoinitiators, ultraviolet absorbers, water treatment agents, and pesticide intermediates. The main products include more than 300 varieties in six series: photoinitiators, ultraviolet absorbers, water treatment agents, pesticide intermediates, and other chemical raw materials.

OUR PRODUCTS

Specializing in the production of chemical raw materials such as photoinitiators, ultraviolet absorbers, water treatment agents, pesticide intermediates, etc.

Other chemicals
Other chemicals
Other chemicals
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Customized products
Customized products
Customized products
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Coupling reagent
Coupling reagent
Coupling reagent
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Organic intermediate
Organic intermediate
Organic intermediate
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OUR ADVANTAGE

We have a number of cooperative factories, with the tenet of service first

juming

Quality Assurance

The company has sophisticated equipment, standardized manufacturing and processing technology, complete testing equipment, and strict corporate management. 

juming

Technology R & D

We have an experienced R&D team, advanced production equipment, modern management methods, and constantly introduce and absorb novel design concepts...

juming

Certification

The company has passed ISO9001: 2000 certification, which can guarantee the quality of its products, and has been widely used and recognized by customers in various industries at home and abroad

juming

Customer Service

With technology as the driving force, quality as the brand, reputation as the glory, and global strategy as the brand promotion, while maintaining and consolidating the excellent position in the field of photoinitiators, it will lead the pesticide intermediate industry in the near future!

APPLICATION FIELD

Used in coating&ink, pharmaceutical, fertilizer, leather, printing and dyeing, pigments, porcelain and other industries

NEWS

Understand the company's new information

Is the UV curable adhesive component-photoinitiator really important?
09 2021-06

Is the UV curable adhesive component-photoinitiator really important?

Photoinitiator is an important part of the composition of light-curing adhesives, because UV glue must be cured under the irradiation of ultraviolet light. Once the photoinitiator is lacking, the irradiation energy cannot be used, and the light irradiation intensity cannot be reached. , So the photoinitiator is particularly important for the shadowless glue. 　　 The photoinitiator in the uv glue should pay attention to its absorption spectrum to match the emission spectrum of the light source. At the same time, for better reaction, a composite photoinitiator can be used. Only by using a good photoinitiator, the curing of UV glue can achieve good results.
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Development of photoinitiators
02 2021-06

Development of photoinitiators

The focus of the development direction of photoinitiators is hybrid type, visible light type, water-based type, macromolecular type, etc., and the dual curing method is used to receive the icing on the cake. 1. Free radical-cation hybrid photoinitiator The free radical research and development system cures fast, but shrinks greatly. While cationic light curing has small volume shrinkage, strong adhesion, the curing process is not blocked by oxygen, the reaction is not easy to terminate, and the "post-curing" ability is strong, suitable for light curing of thick films, but the curing speed is slow. Combining the advantages of the two, the free radical and cationic photoinitiator are formulated into a hybrid system, which can not only polymerize tourists with cationic polymerization, but also maximize the strengths and avoid weaknesses, and has a synergistic effect. Compatible use of two or more photoinitiators can achieve more satisfactory results. 2. Visible light initiator Fluorinated diphenyl titanocene (Irgacure 784) and bis(pentafluorophenyl) titanocene have outstanding photoinitiation activity, storage stability and low toxicity, and their absorption wavelength has been extended to 500nm, which has a larger visible light region. Absorbing, it is particularly effective for visible light-initiated polymerization and curing of acrylic esters. In addition, due to the photobleaching effect of the titanocene light, the yellowing index of the film is small; and the deep curing is good, which is conducive to the thorough curing of the thick film. The activity of fluorinated diphenyl titanocene photoinitiator is 2~6 times higher than 2% Irgacure651 in the acrylate system. 3. Water-based photoinitiator (WSP) The ammonium salt or sulfonate functional group is introduced into the common photoinitiator to make it compatible with water to make the water-based photoinitiator. The main types are aromatic ketones, including benzophenone derivatives, thioxanthone derivatives, alkyl aryl ketone derivatives, and benzyl derivatives. 4. Macromolecular photoinitiator The common photoinitiator is introduced into the macromolecular chain to become the macromolecular photoinitiator, which has good compatibility with the resin, does not migrate after curing, is not easy to volatilize, and reduces the odor. Macromolecular photoinitiators can be divided into four types: side chain cleavage type, main chain cleavage type, side chain hydrogen abstraction type and main chain hydrogen abstraction type. Side chain cleavage type macromolecular photoinitiators are currently more successful. 5. Double curing That is, the combination of light curing and other curing methods complements each other and highlights the advantages. It has fast curing at low temperature, excellent stability, can avoid separation and uncured, and obtain cured products with excellent mechanical properties and dimensional stability. The development of a dual curing system shared by light curing and other curing methods is effective in overcoming the weaknesses of light curing adhesives, expanding the scope of application and improving competitiveness. Other curing methods: thermal curing, moisture curing, oxidative curing, anaerobic curing, etc.
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Photoinitiator supply
07 2021-06

Photoinitiator supply

The company normally supplies photoinitiators TPO and TPO-L at reasonable prices and the quality has reached export standards. Welcome to discuss business!
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电话

Service Hotline

ADD: 3808-5, ZhengCheng Road, Huangtu Town, Jiangyin City, Jiangsu Province, China

TEL: 86-17798763151

FAX: 86-510-86195596
E-MAIL:  juliet@jumingchem.com

Mobsite

TEL

86-510-80665518

PHONE

86-17798763151

E-MAIL

sales@juminghem.com

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