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Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000
Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 (CAS# 54667-43-5) is a polyurethane additive, is a light yellow viscous liquid at ambient temperatures and can be mixed, cast and cured at room temperature.
Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 acts as an oligomeric diamine curative for various diisocyanates as well as their prepolymers and also as amine or anhydride cured epoxy modifier to enhance flexibility. Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 is a liquid at ambient temperatures and can be mixed, cast as well as cured at room temperature.
Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 is suitable for epoxy systems as well as in field repair applications due to its ease of processing. Used in industrial as well as construction adhesive. It is also useful for coating applications.
Viscosity 3,000 - 4800 cps @ 30oC
Physical State Liquid @ 25oC
Amine Equivalent 650 – 740
Moisture ≤ 500 ppm
Melting Point 18oC
Molecular Weight 1238
Synonyms: Polytetramethylene oxide-di-P-aminobenzoate, Poly (oxy-1,4-butanediyl),
Polytetramethylene ether glycol bis-Paraben, Butane-1,4-diyl bis (4-aminobenzoate)
Benefits:
· High temperature resistance
· Excellent heat aging
· Excellent abrasion resistance
· Excellent tear resistance
· Long pot life
· Non-hazardous diamine
Processing of Liquid MDI Cured with Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000
Isocyanate: Liquid 4,4’ – MDI (29 wt% NCO)
Mix Ratio by weight:
(Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 to Isocyanate) 3.3 (calculated based on a 95% stoichiometry)
Approximate Pot Life: 20 minutes
Final Elastomer Properties (cured @ 25oC for 7 days):
Hardness: 50 (Shore D)
Ultimate Tensile Strength: 4500 psi
Ultimate Elongation: 460%
Die C Teat Strength: 420 pli
Poly (1,4-butanediol) bis (4-aminobenzoate) P-1000 has a shelf life of 60 months.
This product is non-hazardous for shipping.