A kind of pmma light diffusing agent and a kind of light diffusing pmma material
A light diffusion agent and light diffusion technology, which is applied in the field of light diffusion PMMA materials and PMMA light diffusion agents, can solve the unstable light transmittance performance of PMMA materials, the decrease of light transmittance, the anti-aging performance, and the thermal processing stability of impact strength Sexual impact and other issues, to achieve excellent atomization effect, improve atomization effect, and excellent impact resistance
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Embodiment 1
[0045] A PMMA light diffusion agent with high light transmittance and high haze, its raw materials include the following components in parts by weight:
[0046] 75 parts of frozen finely pulverized polysiloxane particles;
[0047] Light scattering agent 1 1.3 parts;
[0048] Light scattering agent 2 6.5 parts;
[0049] 2 parts curing agent;
[0050] 0.2 parts of compatibilizer;
[0051] The light scattering agent 1 is a substance having the following structure
[0052] ;
[0053] The light scattering agent 2 is a substance having the following structure
[0054] ;
[0055] The compatibilizer is 0.04 parts by weight of cetyltrimethylammonium bromide and 0.3 parts of ethyl acetoacetate; the curing agent is a mixture of persulfate and tetrahydrofuran; The siloxane particles refer to the polysiloxane particles obtained by cooling the polysiloxane particles with an average particle diameter of 2.5 μm to -17° C., and then pulverizing them with 80 KHz ultrasonic waves.
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Embodiment 2
[0060] A PMMA light diffusion agent with high light transmittance and high haze, its raw materials include the following components in parts by weight:
[0061] 80 parts of frozen finely pulverized polysiloxane particles;
[0062] 1 1 parts of light scattering agent;
[0063] 28 parts of light scattering agent;
[0064] 0.5 parts of curing agent;
[0065] 0.3 parts of compatibilizer;
[0066] The light scattering agent 1 is a substance having the following structure
[0067] ;
[0068] The light scattering agent 2 is a substance having the following structure
[0069] ;
[0070] The compatibilizer is 0.01 part by weight of cetyltrimethylammonium bromide and 0.5-0.7 part of ethyl acetoacetate; the curing agent is a mixture of persulfate and tetrahydrofuran; The pulverized polysiloxane particles refer to polysiloxane particles obtained by pulverizing polysiloxane particles with an average particle diameter of 2.5 μm to -20° C. with 60 KHz ultrasonic waves.
[0071] T...
Embodiment 3
[0075] A PMMA light diffusion agent with high light transmittance and high haze, its raw materials include the following components in parts by weight:
[0076] 50 parts of frozen finely pulverized polysiloxane particles;
[0077] 12 parts of light scattering agent;
[0078] 25 parts of light scattering agent;
[0079] 2.5 parts of curing agent;
[0080] 0.1 part of compatibilizer;
[0081] The light scattering agent 1 is a substance having the following structure
[0082] ;
[0083] The light scattering agent 2 is a substance having the following structure
[0084] ;
[0085] The compatibilizer is 0.07 parts by weight of cetyltrimethylammonium bromide and 0.5 parts of ethyl acetoacetate; the curing agent is a mixture of persulfate and tetrahydrofuran; The siloxane particles refer to the polysiloxane particles obtained by cooling the polysiloxane particles with an average particle diameter of 2.5 μm to -20° C., and then pulverizing them with 60 KHz ultrasonic waves....
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