Fragrant thermoplastic foam and method of making the same

Details Fragrant thermoplastic foam and method of making the same Fragrant thermoplastic foam and method of making the same

1990-10-02

1992-04-28

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 82, 521 99, C08G 1814

Patent

active

051090295

ABSTRACT:
Substantially closed-cell thermoplastic foams having a fragrance incorporated into the foam during extrusion are found to provide fragrant and long lasting release characteristics provided the foam is at least 70 percent closed cells. Generally the amount of fragrance is about 0.001 to about 5 weight percent of the total thermoplastic foam weight.

REFERENCES:
patent: 3912667 (1975-10-01), Spitzer et al.

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