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A __________ is a highly concentrated blend of an additive and a carrier resin.

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in Food Packaging Technology by (63.0k points)
A __________ is a highly concentrated blend of an additive and a carrier resin.

(a) Masterpolymer

(b) Mastermixture

(c) Masterbatch

(d) Masterblend

I had been asked this question in a job interview.

My doubt is from Blending and Vapor Deposition in Thermoplastics topic in portion Thermoplastic Polymers Properties & Processing of Food Packaging Technology

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Right option is (c) Masterbatch

To explain I would say: A masterbatch is a highly concentrated blend of an additive and a carrier resin. A masterbatch is a highly concentrated blend of an additive with a a carrier resin that should be compatible and miscible in the resin into which it is being blended. Film manufacturers commonly blend a masterbatch into the resin at the extruder feed hopper when making film or sheet.

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