Preparation method of thermosetting acrylic resin binder

Abstract

The invention discloses a preparation method of a thermosetting acrylic resin binder which does not contain formaldehyde. The preparation method comprises the following steps: carrying out graft copolymerization reaction on a acrylic acid type compound and an acrylic acid polyester compound under the action of an initiator, a chain transfer agent and a retarder so as to obtain a thermosetting acrylic resin; subsequently adding a softening agent, a curing agent, an emulsifying agent and a mildew preventive; stirring uniformly and filtering so as to prepare the thermosetting acrylic resin binder used for glass wool. The binder prepared by using the method does not contain free formaldehyde and free phenol, so the product does not release free aldehyde during the application process and is an environment-friendly green binder.

Description

technical field

[0001] The invention relates to the technical field of acrylic resin binders, in particular to a method for preparing a thermosetting acrylic resin binder for glass wool. Background technique

[0002] Centrifugal glass wool is made by melting crushed glass, limestone, feldspar, quartz sand, borax, soda ash and other mineral (chemical) substances in a kiln, then fibrating the molten glass with a centrifugal blowing process, spraying thermosetting resin adhesive Cotton silk-like material made of binder, and then heat-cured and further processed, can be made into a series of products with multiple uses. It has the characteristics of non-flammable, non-toxic, corrosion-resistant, small bulk density, low thermal conductivity, strong chemical stability, With many advantages such as low moisture absorption rate and good hydrophobicity, it is currently recognized as a thermal insulation, heat insulation, and sound-absorbing material with excellent performance, and ha...

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