Solvent based flame-retardant pressure-sensitive binding agent and preparation method thereof

Abstract

The invention discloses a solvent based flame-retardant pressure-sensitive binding agent and a preparation method thereof and belongs to the field of binding agents. The flame-retardant pressure-sensitive binding agent is prepared by blending the solvent based flame-retardant binding agent and an organic flame retardant in a weight ratio of 10:0.5-2.0, wherein the organic flame retardant is a phosphoric flame retardant; and the solvent based pressure-sensitive binding agent comprises the following components in percentage by weight: 20 to 35 percent of olefine acid soft monomer, 5 to 20 percent of olefine acid hard monomer, 0.5 to 5 percent olefine acid of functional monomer, 42 to 70 percent of organic solvent, 0.1 to 3 percent of oil soluble initiator and 0.05 to 0.5 percent of chain transfer agent. A solvent system is adopted in the flame-retardant pressure-sensitive binding agent. A flame-retardant coating in the flame-retardant pressure-sensitive binding agent adopts a solvent based coating. The solvent based coating is melted to form a film so that the fusing performance of an auxiliary agent and the solvent based flame-retardant pressure-sensitive binding agent in a film forming process is guaranteed to be more uniform, flame-retardant efficiency of the flame retardant with the same amount is higher, and the solvent based flame-retardant pressure-sensitive binding agent has high initial tack and high-efficiency retardant effectiveness.

Description

technical field [0001] The invention relates to the field of adhesives, in particular to a solvent-type flame-retardant pressure-sensitive adhesive and a preparation method thereof. Background technique [0002] At present, acrylic acid is mostly used to prepare flame-retardant pressure-sensitive adhesives, but with the development of water-based polymerization technology of acrylate monomers, the existing technology is more and more focused on the development technology of acrylic series pressure-sensitive adhesives. It tends to be more water-based, which inevitably leads to a substantial reduction in the initial tack of the pressure-sensitive adhesive. Moreover, because the particle accumulation and film-forming mechanism of the aqueous emulsion will cause the phase separation of the flame retardant and the latex particles, the flame-retardant effect of the existing flame-retardant pressure-sensitive adhesives cannot be guaranteed. Contents of the invention [0003] Bas...

AI Technical Summary

Problems solved by technology

[0002] At present, acrylic acid is mostly used to prepare flame-retardant pressure-sensitive adhesives, but with the development of water-based polymerization technology of acrylate monomers, the existing technology is more and more focused on the development technology of acrylic series pressure-sensitive adhesives. Be more water-based, which necessarily results in significantly lower initial tack for pressure-sensitive adhesives

Moreover, due to the particle accumulation and film-forming mechanism of the aqueous emulsion, the phase separation between the flame retardant and the latex particles will cause the flame retardant effect of the existing flame retardant pressure-sensitive adhesives to be unguaranteed.