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Kraton thermoplastic elastomer

Kraton thermoplastic elastomer

As the original inventor of styrene block copolymerization (SBC) chemistry, Kraton Polymers LLC has been working with innovators worldwide to provide accurate polymer solutions since the 1960s. Kraton Polymers, with its unparalleled supply reliability and global reach, has become the world's leading manufacturer of SBCs and the unique polyisoprene line, Open the future market innovation partners.

Ritie (Kraton polymers) is a kind of unique performance, high performance widely used thermoplastic elastomer material. Its unique molecular structure is adapted to different fields by precise adjustment. A variety of Kraton blends have expanded the application of this kind of high performance polymer.

Enhancement of physical crosslinking and styrene phase makes ritie product has high tensile strength, middle rubber chain segments has good elasticity. Due to the reversibility of physical crosslinking, Kraton polymer products with excellent performance and processing.

Two block (A-B structure) of the products from the Kraton polymers polystyrene chains and rubber chain structure. Polymers of such structure can make asphalt, oil or polymer solution have unique rheological properties in a wide temperature range, and achieve good balance in viscosity, adhesive strength, low viscosity and enhanced mixing.

Kraton D and G series of products may be pure polymer or polymer oil, they can be used as modifier and thermoplastics, thermosets and asphalt mixed use, can also be used for general elastomer blends, or as adhesives, sealants and basic materials in coatings formulation.

Kraton D blends and Kraton G blends are mixtures of styrene block copolymers and other components. This kind of blends has excellent and extensive comprehensive properties and rubber properties, and has good thermoplastic processing properties. In addition, they also have good soft touch and low temperature flexibility.

Thermoplastic elastomer should be used in adhesives

The thermoplastic elastomer has excellent antioxidant, weatherability, temperature resistance and processing stability, and has good tolerance to water, acid and alkali. The thermoplastic elastomer blends have good ozone resistance and are suitable for long-term exposure to outdoor products. Because SEBS/SEPS has good solubility in a hydrocarbon solvent, dissolving speed, good stability and strong cohesion, to avoid the use of aromatic solvents harmful to human health, coupled with SEBS/SEPS adhesive bonding strength and good elasticity, low temperature performance, low viscosity, creep resistance than EVA, acrylic adhesive that has been widely used in life. Can be used for adhesives for shoe production, metallurgical powder forming agent, laminating adhesives, labels, adhesive tape, wood adhesive glue, glue, adhesive, building a transparent glass screen protection film for sanitary product glue, adhesive, sealant and coating for hook, electronic components and general self-adhesive glue, Wan Nengjiao, etc..

Kraton G1701, G1702 ----- Styrene-Ethylene-Propylene-Styrene Mosaic Block Copolymer (SEPS)

1. Suitable for general purpose copper cable and optical cable insulation filling grease

2. Apply thickening of the oil system of cosmetics

G1701 and G1702 are styrene-ethylene-propylene-styrene block copolymers produced by KRATON, a subsidiary of SHELL. They have been approved by the US FDA and widely used in make-up in Europe and the United States. In the past two years, makeup in China has also begun Get applied. Mainly in the make-up can replace the original microcrystalline wax, petroleum resin and other oil-based resin, compared with them G1701 better oil affinity, better mobility, transparent effect, better film-forming, No spinning phenomenon, the overall cost cheaper. G1701 in the makeup of the amount of about 3% to 5%, while the other resin is about 30%.

Kraton G1650, G1651, G1652 ---- Styrene-ethylene-butylene-styrene block copolymer (SEBS)

1. Suitable for jelly candles, hot sol, sealant, food grade and other special mix

2. For the impact of plastic modification properties, the use of systems PS, PP, LDPE, HDPE, PPE, PC and other systems.

specification

G1650

G1651

G1652

G1701

G1702

Chemical structure

SEBS

SEBS

SEBS

SEPS

SEPS

tensile strength,psi

5000

5500

4500

300

300

300% Modulus,psi

800

900

700

Elongation,%

500

500

<100

<100

hardness,(0.sec)

72

61

69

64

41

Specific gravity

0.91

0.91

0.91

0.92

0.91

Melt consistency,

(Room temperature)

8000

>50000

1800

>50000

>50000

Melt Index,gms/10min

<1

<1

5

<1

<1

Plasticizer oil

content,%w

0

0

0

0

0

Styrene / rubber ratio

30/70

33/67

30/70

37/63

28/72

appearance

powdery

powdery

powdery

powdery

powdery

Star content %

0

0

0

100

100

Certification

FDA

FDA

FDA

FDA

FDA

                       

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