Info Share about dendrimer applications.

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September 26, 2013, Slide 1
Attn: Clair Cui
Skype: clairpower
The First Company in Asia Realize Industralization of Dendrimer
Website: www.whcyd.com
Email: claircui@whcyd.com
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----Sep 26,2013
Weihai CY Dendrimer Technology Co.,Ltd
Supplier of Dendrimers
Follow us to know more about Dendrimer.

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Share articles about dendrimer
• 1. Environment friendly dendrimer based insulation varnish have good performance.
• Conventional environment friendly varnish mainly composed by synthetic resin, curing
agents and reactive diluent. Its characteristics are: fast curing;①
• ② good fluidity and permeability; insulation integrity is good; less volatile in curing③ ④
process. However, the current general diluent, such as styrene, vinyl toluene, etc. have
following problems: high toxicity; large volatility; serious environmental① ② ③
pollution, limiting application of varnish without solvent. Dendrimer is spherical and
three-dimensional structure with low degree of inter-chain winding and a large number
of reactive end groups, and also having a high solubility, low viscosity, good① ② ③
thermal stability, good electrical insulating properties and so on.④
• Development of dendritic polymer resin materials with low viscosity, easy processing
and good compatibility instead of diluent, can improve solvent-free varnish
environmental performance and processing behavior, while varnish have good storage
stability, low volatile, non-toxic, little pollution, compared with traditional paint they have
a greater advantage. Weihai CY Dendrimer Technology Co. Ltd.-Professional
Manufacturer for low cost dendritic polymers.-The newest 4th class polymers.

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• 2, Pneumatic tires based on dendritic polymers have
significant improvement in the performance.
• Adding dendrimers in the styrene-butadiene rubber (SBR)
can greatly enhance the performance of the pneumatic
tires. With DSM H1500 dendrimer, in Temp. 23 ° C. Aged
3 Days/90 ° C. Air tensile strength increased by 48.46%,
the elongation at break increased by 7.1%; with H2000
dendrimer, in Temp. 23 ° C. Aged 3 Days / 90 ° C. Air
tensile strength increased by 50.77%, elongation at break
increased by 8.2%. With the growth of product grades,
tire performance has been further improved. Weihai CY
Dendrimer Technology Co. Ltd.-Professional
Manufacturer for low cost dendritic polymers.-The newest
4th class polymers.

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• 3, Dendrimer based inhibitors for carbon steel has good performance.
• Composite corrosion inhibitor is prepared by dendrimer and soluble silicates,
adding the composite corrosion inhibitor to the acetic acid solution to be
treated, it can well suppress the corrosion of carbon steel in contact with
acetic acid solution, especially can suppress process water in the methanol to
olefins process, the corrosion inhibition effect is good and would not
adversely affect the process, which is better than ordinary phosphorus
corrosion inhibitor. Steady play of silicate corrosion capability depends on
whether the solution is to maintain a high concentration of the silicate. Using
polypropylene copolymer and sulfonate copolymeras as stabilizer for silicic
acid, the result is not good, and leads to the inhibition effect reduced. Using
dendrimer as scale inhibitors, they can form a good suppression capability to
colloidal silica under acidic conditions and maintain a high concentration of
silicate in the acetic acid solution that can ensure excellent corrosion effect.
Weihai CY Dendrimer Technology Co. Ltd.-Professional Manufacturer for low
cost dendritic polymers. -The newest 4th class polymers.

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• 4, Application of dendritic polymers in WPC.
• Sisal fibers are rigid fiber, can enhance the mechanical properties of wood-
plastic composites, but because of a large number of hydroxyl groups
presented on the surface, it is not conducive to the formation of a good
interface compatibility with polypropylene resin. Therefore, it needs to add a
certain amount of compatibilizer to improve the interface compatibility
between the Sisal fibers and the polymer radicals. So, dendritic polymer
dispersants that can improve the sisal fiber (SF) and polypropylene (PP)
interface compatibility get the industry's attention. Dendritic polymer
dispersant due to structural characteristics, have good fluidity, thus making
wood-plastic composite material has good processing properties, and the
synthesis process of dispersants is simple and easy to realize industrial
production. When dispersant dosage is 1-5% of sisal fibers total amount,
impact strength of sisal polypropylene WPC increased from 14.78kJ/m2 to
23.62kJ/m2, increased by 59.8%. And the material surface is smooth and no
bubbles. Weihai CY Dendrimer Technology Co. Ltd.-Professional
Manufacturer for low cost dendritic polymers. -The newest 4th class
polymers.

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• 5, Dendrimer based crude oil demulsifiers have good performance.
• Using dendrimer with tree multi-branched structure as a synthesis
initiator for demulsifier, obtained demulsifier with many branches, and
large molecular weight, excellent interface and penetration ability, has
good demulsification break performance for oil emulsion, it can be
widely used in oil exploration, petroleum refining and other fields.
Dendrimer-based crude oil demulsifiers for crude oil like water-in- oil
type emulsion has good demulsification performance. The demulsifier
has been used in Shengli Oilfield, Bohai Suizhong 36-1 oilfield,
Karamay heavy oil and so on. Weihai CY Dendrimer Technology Co.
Ltd.-Professional Manufacturer for low cost dendritic polymers. -The
newest 4th class polymers.

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Product Catalog
•PAMAM Product Catalog(For research
purpose)
•Hyperbranched Polyester Product
Catalog (For research purpose)
•Industry Application Products see next
page.
Mail at claircui@whcyd.com to get the
catalog and price.

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Product Applications
1.Coating&Ink Additives 20-25
• Pigment Dispersants
• Epoxy Resin-Toughing/Curing Agents
• Low Temperature Epoxy Resin Modifiers
• Polyurethane Systems
• Curing Agents for UV Curable Coating
2. Plastic&Rubber Additives 15-20
• PET Processing Aids
• Polypropylene(PP) Rheological Additives
• Adhesion Modifiers
• HTPB Polyurethane Processing Aids
• Styrene Butadiene Rubber Processing Aids

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3. Water Treatment Materials 10-14
• High Efficiency Flocculants
• Heavy Metal Removal Agents
• Scale Inhibitors
• Demulsifiers
• Sludge Treatment Agents
• Nanofiltration Membranes
4. Nanomaterials Additives 27-33
• Pd Nano-catalyst
• Gold Nanoparticle Materials
• CdS Nanoparticle Materials
• Nano-catalysts for Cell
• PPH2/RuCl3 Nano-catalyst
• Nanofiltration Membranes

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5. Biomedical,Agricultural Chemicals,Cosmetic
Additives 35-39
• Drug Carriers
• Genetic Diagnosis
• Coating Modifiers of Controlled Release
Fertilizers
• Pesticide Slow-Release
• Cosmetic Additives

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CYD Company Profile
As the first enterprise in Asia to research ， develop & produce
dendrimers & hyperbranched polymers, Weihai CY Dendrimer
Technology Co.,Ltd (CYD Company) has provided many dendrimer
products to Peking University, Tsinghua University and Chinese
Academy of Sciences etc. for scientific experiments, and now it has
already realized the industrialization of dendrimers (PAMAM). From the
beginning, we have cooperated with many customers from worldwide,
such as Australia, Europe and America and so on.
CYD Company is an advanced manufacturing enterprise integrated
with R&D, production and sales. With more capital and technology
supports introduced in 2012, CYD Company expanded R&D team and
production lines to satisfy more customers’requirements.

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CYD Company Profile
• CYD factory is located in New Industry District of Weihai City,
Shandong Province, China. We have independent laboratories for
new product development, semi-finished and finished products
testing. The company has a professional and excellent team engaged
in R&D of chemical products. Meanwhile, Peking University provides
strong technical support and establishes long-term strategic
partnership with CYD Company! A series of products and processes
have been applied for national patents. CYD Company will continue
to develop high-performance and high-quality products based on
advanced technology, and set up the first successful enterprise that
realized the industrialization of dendrimer products in Asia.
• Clair Cui
• International Sales
• Weihai CY Dendrimer Technology Co.,Ltd.
• Add:No.369-13,Industrial District,Weihai City,Shandong Province,China,264205.
• Tel:86-631-5582236 Web: www.whcyd.com

Info Share about dendrimer applications.

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