Flame-retardant thermoplastic starch material, flame-retardant thermoplastic starch-based bio-composite, and method for manufacturing the same
AssigneeIndustrial Technology Research Institute
InventorsSheng-Ju LIAO, Chih-Jen CHANG, Yao-Chu CHUNG, Fu-Ming CHIEN, Chien-Ming CHEN
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Abstract
In one embodiment, A flame-retardant thermoplastic starch material, including (A1) 100 parts by weight of starch; (A2) 5 to 75 parts by weight of plasticizer; and (A3) 5 to 30 parts by weight of organic phosphonate flame-retardant, wherein the organic phosphonate flame-retardant has the following formula (I): wherein X is a trivalent aliphatic hydrocarbon radical containing 3 to 12 carbon atoms; R1 and R2 are independently C1 to C8 alkyl; and n is 0 or 1.
Claims15
A flame-retardant thermoplastic starch material, comprising
- (A1) 100 parts by weight of starch;
- (A2) 5 to 75 parts by weight of plasticizer;
- and
- (A3) 5 to 30 parts by weight of organic phosphonate flame-retardant, wherein the organic phosphonate flame-retardant has the following formula (I):
- wherein X is a trivalent aliphatic hydrocarbon radical containing 3 to 12 carbon atoms;
- R1 and R2 are independently C1 to C8 alkyl;
- and n is 0 or 1.
A method for manufacturing a flame-retardant thermoplastic starch-based bio-composite, comprising:
- mixing (A1) 100 parts by weight of starch, (A2) 5 to 75 parts by weight of plasticizer, and (A3) 5 to 30 parts by weight of organic phosphonate flame-retardant and performing a roll mill plasticizing process to form a flame-retardant thermoplastic starch (A), wherein the organic phosphonate flame-retardant has the following formula (I):
- wherein X is a trivalent aliphatic hydrocarbon radical containing 3 to 12 carbon atoms, R1 and R2 are independently C1 to C8 alkyl;
- and n is 0 or 1;
- and
- performing a blending process to (A) 5 to 40 parts by weight of the flame-retardant thermoplastic starch, (B) 60 to 90 parts by weight of thermoplastic polymer, and (C) 3 to 10 parts by weight of impact modifier to form a flame-retardant thermoplastic starch-based bio-composite.
Dependencies are inferred from the claim text.