Organosilicon-modified acrylate emulsion and preparation method thereof, heat transfer printing back coating liquid, heat transfer printing carbon ribbon back coating and carbon ribbon
An acrylate and silicone technology, used in coating, printing, ink ribbon, etc., can solve the problems of inability to meet the transfer process, poor adhesion performance of substrates, short service life, etc., to facilitate large-scale production, durable The effect of good thermal and slip properties and long service life
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[0088] According to the second aspect of the present invention, the present invention provides a method for preparing the aforementioned silicone-modified acrylate emulsion, which includes the following steps: dissolving acrylate monomer and silicone-modified acrylate active monomer in a solvent, and then adding The initiator, the acrylate monomer and the organic silicon modified acrylate active monomer undergo polymerization reaction to obtain the organic silicon modified acrylate emulsion.
[0089] The organosilicon modified acrylate emulsion provided by the invention has simple preparation process, convenient operation, convenient realization of large-scale production, and lower preparation cost.
[0090] In a preferred embodiment of the present invention, the acrylate monomer and the organically modified acrylic oligomer are dissolved in a solvent, heated to 30-35°C, and an initiator is added to further improve the polymerization efficiency and shorten the polymerization time. ...
Example Embodiment
[0111] Example 1
[0112] This embodiment provides a silicone modified acrylate emulsion. The raw materials include the following raw materials in parts by mass: 60 parts of acrylate monomers, 40 parts of silicone modified acrylate active monomers, and diphenyl peroxide Formyl (BPO) 0.3 parts, in which the molecular formula of silicone modified acrylate is R 1 -Si(CH 3 ) 2 -(O-Si(CH 3 ) 2 ) n -O-Si(CH 3 ) 2 -OCO-C(CH 3 )=CH 2 , The number average molecular weight is 10000, R 1 Is n-butyl, R 2 It is a propyl group, and the acrylate monomer is a mixture of methyl methacrylate and butyl acrylate, and the mass ratio of the two is 65:8.
Example Embodiment
[0113] Example 2
[0114] This embodiment provides a silicone modified acrylate emulsion. The raw materials include the following raw materials in parts by mass: 80 parts of acrylate monomers, 20 parts of silicone modified acrylate active monomers, and diphenyl peroxide 0.3 parts of formyl, wherein the silicone-modified acrylate and acrylate monomers are the same as those in Example 1, and will not be repeated here.
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