Synergistic effect of amylopectin-permethrin in combination on t

Details Synergistic effect of amylopectin-permethrin in combination on t Synergistic effect of amylopectin-permethrin in combination on t

1990-11-19

1992-02-18

Lawrence, Evan

Coating processes

Centrifugal force utilized

427242, 427322, 427324, 427370, 427417, 4274301, 427439, B05D 312, B05D 118, B05D 138, B05D 724

Patent

active

050892983

ABSTRACT:
The invention relates to the impregnation of clothing, specifically Battle ress Uniforms (BDUs) used by the U.S. Military, with amylopectin fabric wrinkle inhibitor and permethrin insect/arthropod repellent in combination. In one disclosed embodiment of the invention, BDUs are loaded into a field laundry, are rinsed with clear water at 120 degrees Fahrenheit, and amylopectin is applied at a particular concentration. The BDUs preferably are then steam pressed. Permethrin at a predetermined concentration is then applied preferably by the "Individual Dynamic Absorption Application" (IDAA) procedure. The retention of permethrin by clothing treated with amylopectin unexpectedly reveals a substantially higher retention level than clothing without treatment by amylopectin after multiple laundry cycles, providing thereby a dramatic improvement in the insect/arthropod repelling action of the clothing over time.

REFERENCES:
patent: 4503100 (1985-03-01), de Sousa et al.
patent: 4666747 (1987-05-01), Quinn

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