Process for manufacturing tape products

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602 41, 602 46, 602 52, 602 55, 602 57, A61F 1300

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060779861

ABSTRACT:
A process for the manufacture of a plastisol film or foam tape laminate comprises providing a continuous liner; forming a release layer along the length of one side of the liner; depositing an adhesive onto the release layer; drying the adhesive; casting a liquid plastisol formulation onto the adhesive; fusing, and in the case of a foam tape, expanding the plastisol formulation to form a thermoplastic layer on the adhesive; and, winding the resulting tape laminate onto rolls. Also, a process for the manufacture of a plastisol film or foam tape laminate comprises providing a continuous liner; forming a release layer along the length of one side of the liner; depositing an adhesive onto the release layer; drying the adhesive; disposing a barrier film onto the dried adhesive; casting a liquid plastisol formulation onto the barrier film; fusing, and in the case of a foam tape, expanding the plastisol formulation to form a thermoplastic layer on the barrier film; and, winding the resulting tape laminate onto rolls.

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patent: 4248918 (1981-02-01), Hornibrook et al.
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patent: 5633070 (1997-05-01), Murayama et al.
patent: 5951507 (1999-09-01), Hilston et al.
O'Brien, Joseph, W.H. Whittington, and Glen Chalfant. "New Glutarate Polyester Plasticizers for PVC." Plastics Compounding, May/Jun. 1981, p. 62-67.

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