Cashew Nut Shell Oil Diol FX-9203LP - 广州昊毅新材料科技股份有限公司

Cashew Nut Shell Oil Diol

Cashew Nut Shell Oil Diol FX-9203LP

                                         

 

 

performance

Numerical value

Polyol Type

Cashew Nut Shell Oil Diol

Viscosity, (cps) @ 25 °C

1800-3500

Hydroxyl value (mg KOH/g)

90-125

Moisture, %

0.1

Color (Ghanaian Law)

14

Calculated biological content

69

Gel time with polymerized MDI (min)

4hr

Recommended Applications

prepolymer

 

  Product Positioning:

①Best compatibility

②Hydrolytic stability

③Low moisture sensitivity

④Good compatibility with PolyBD: good moisture resistance and mechanical properties

⑤FX-9203LP can be used for prepolymer synthesis

 

 Applications: 

①1K and 2K polyurethane adhesives and sealants

②Thermoplastic polyurethane (TPU)

③Polyurethane dispersion (PUD)

④Polyurethane reactive hot melt adhesive

⑤Polyurethane prepolymer, adhesive, co-reactant

⑥ foam, soft foam

 

  compatibility:

performance

FX-9203/FX-9203LP

PPG 1000

100% Compatible

PPG 2000

100% Compatible

Poly BD

100% Compatible

EVA

100% compatible, cloudy

Tackifier

(Wingtack 10)

100% Compatible

Tackifier 

(Indopol H300)

incompatible

 

 

  Reactivity:

FX-9203LP

Isocyanate

Gel time @ 25 °C 

PMDI

4hr

 

 

  Guidelines for making stable prepolymers from glycols:

prepolymer synthesis

FX-9203LP

Isocyanate Type

Suitable for aliphatic isocyanates and MDI

Parts of isocyanate

Suitable for MDI >7% isocyanates, suitable for >3-4% aliphatic isocyanates

Catalyst for Prepolymer Reaction

More stable without catalyst addition, but can also be added in small amounts

Remark

Suitable for prepolymer synthesis if the above conditions are met and guidelines are followed

 

 

 Thermal stability: prepolymer 

Cashew Nut Shell Oil Diol: 3% NCO Prepolymer (Pure MDI)

RT

80 ºC

120 ºC

FX-9203LP

>6 month

X

X

 

Recommendations to improve thermal stability:

①No catalyst

② Benzoyl chloride as stabilizer

③Nitrogen protection

 

  Prepolymer (NCO7%): 

7% NCO prepolymer

Prepolymer Viscosity

(cps at 25°C)

Tensile strength (MPa)

Elongation(%)

Modulus (MPa)

Shore A hardness

 

FX-9203/FX-9203LP

21056

5.1/6.5

82.8/96

32.6

82

 

 

 Mechanical properties and stability: 

Glycol (7% NCO prepolymer)

Hardness (Shore A)

Tensile strength (MPa)

Elongation(%)

FX-9203LP

82

6.5

96

 

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