Biodegradable resin composition

Details Biodegradable resin composition Biodegradable resin composition

2007-05-29

2007-05-29

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S354000, C528S271000, C528S486000, C525S415000, C525S419000, C525S420000, C525S450000

Reexamination Certificate

active

10972756

ABSTRACT:
A biodegradable resin composition comprising polylactic acid and nanosheeted layered titanic acid characterized in that the nonasheeted layered titanic acid is nanosheeted layered titanic acid obtained by a preparing process comprising the steps of:(1) treating layered titanate represented by the general formula:in-line-formulae description="In-line Formulae" end="lead"?AxMy□zTi2−(y+z)O4  (1)in-line-formulae description="In-line Formulae" end="tail"?[wherein A and M represent a different monovalent to trivalent metal, □ represents a part defective in Ti, x is a positive real number satisfying 0<x<1.0, and y and z are 0 or a positive real number satisfying 0<y+z<1.0, respectively]with an acid or warm water to replace an A ion and/or a M ion with hydrogen and/or a hydronium ion, and(2) reacting the resulting compound with a basic compound having interlayer swelling activity thereon, to swell or peel between layers.

REFERENCES:
patent: 2003-73538 (2003-03-01), None
patent: 2003-82212 (2003-03-01), None
patent: 88/00090 (1988-01-01), None

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