Resin composition comprising lipophilic polymer-modified inorganic whiskers, polarizer and display device
View Patent ↗The present disclosure provides a resin composition, a polarizer, and a display device, which include a first polymer and a polymer-modified whisker dispersed in the first polymer. The polymer-modified whisker includes a whisker and a second polymer attached to a surface of the whisker. The first polymer is a lipophilic polymer, and the second polymer is a lipophilic polymer.
1. A resin composition comprised in a resin layer, wherein the resin layer is comprised in a polarizer, and the resin composition comprises:
a first polymer; and
a polymer-modified whisker dispersed in the first polymer, the polymer-modified whisker comprising an inorganic whisker and a second polymer attached to a surface of the inorganic whisker;
wherein the first polymer is a lipophilic polymer, and the second polymer is a lipophilic polymer.
2. The resin composition according to claim 1 , wherein the inorganic whisker is at least one selected from a first type whisker, a second type whisker, a third type whisker, a fourth type whisker, or a fifth type whisker,
along an extension direction of a long axis of the first type whisker, a change in a diameter of the first type whisker is less than or equal to 0.3 microns;
along an extension direction of a long axis of the second type whisker, a change in a diameter of a middle section of the second type whisker is less than or equal to 1 micron; in a direction away from the middle section of the second type whisker, a diameter of a first end of the second type whisker gradually decreases, and a change in a diameter of a second end of the second type whisker is less than or equal to 1 micron;
along an extension direction of a long axis of the third type whisker, a change in a diameter of a middle section of the third type whisker is less than or equal to 1 micron; in a direction away from the middle section of the third type whisker, a diameter of a first end of the third type whisker gradually decreases, and a diameter of a second end of the third type whisker gradually decreases;
a first end of the fourth type whisker is sequentially connected to a second end of the fourth type whisker, and in a direction from the first end of the fourth type whisker toward the second end of the fourth type whisker, a diameter of the fourth type whisker gradually decreases;
a first end of the fifth type whisker is sequentially connected to a second end of the fifth type whisker, a diameter of a first end of the fifth type whisker gradually decreases in a direction away from the second end of the fifth type whisker, and a diameter of the second end of the fifth type whisker gradually decreases in a direction away from the first end of the fifth type whisker.
3. The resin composition according to claim 1 , wherein a long axis of the inorganic whisker has a length greater than or equal to 10 microns and less than or equal to 30 microns;
the inorganic whisker has a minimum diameter greater than or equal to 0.5 microns, and a maximum diameter less than or equal to 2 microns.
4. The resin composition according to claim 1 , wherein the inorganic whisker is at least one selected from the group consisting of silicon dioxide, silicon carbide, silicon nitride, zinc oxide, magnesium oxide, aluminum oxide, calcium sulfate, calcium carbonate, potassium titanate, and aluminum borate.
5. The resin composition according to claim 1 , wherein a surface of the inorganic whisker is modified with at least one of an inorganic cation, an inorganic anion, a coupling agent, or a surfactant.
6. The resin composition according to claim 1 , wherein in the resin composition, a mass fraction of the polymer-modified whisker is greater than or equal to 1% and less than or equal to 26%.
7. The resin composition according to claim 1 , wherein the second polymer comprises at least one of a polyacrylate group, an acrylate-acrylic acid copolymer group, a water-soluble comb polycarboxylic copolymer group, or a polydimethylsiloxane group.
8. The resin composition according to claim 1 , wherein the first polymer is at least one selected from the group consisting of polymethyl methacrylate, polymethyl acrylate, polyethyl acrylate, polybutyl acrylate, poly(2-ethylhexyl acrylate), cellulose triacetate, polyethylene terephthalate, polycarbonate, polyethylene naphthalate, and polycycloolefin.
9. The resin composition according to claim 1 , wherein the second polymer comprises a group that is same as that of the first polymer or a homologue of the first polymer.
10. The resin composition according to claim 9 , wherein the second polymer is same as the first polymer or the homologue of the first polymer.
11. A polarizer, comprising:
a resin layer comprising a resin composition, wherein the resin composition comprises a first polymer and a polymer-modified whisker dispersed in the first polymer, the polymer-modified whisker comprises an inorganic whisker and a second polymer attached to a surface of the inorganic whisker, the first polymer is a lipophilic polymer, and the second polymer is a lipophilic polymer.
12. The polarizer according to claim 11 , further comprising a polarizing layer, a first protection layer, and a hard coating layer, wherein the resin layer is located between the polarizing layer and the hard coating layer, and the first protection layer is located between the resin layer and the polarizing layer.
13. The polarizer according to claim 12 , wherein an orthographic projection of a long axis of the polymer-modified whisker of the resin layer in a first plane has a first orientation angle, an orthographic projection of an absorption axis of the polarizing layer in the first plane has a second orientation angle, and an average difference between the first orientation angle and the second orientation angle is greater than or equal to −15° and less than or equal to 15°, and the first plane is parallel to a plane in which the polarizing layer is located.
14. The polarizer according to claim 12 , wherein an included angle is formed between a long axis of the polymer-modified whisker and a first plane, the included angle is an acute angle that has an angle value less than or equal to 40°, and the first plane is parallel to a plane in which the polarizing layer is located.
15. The polarizer according to claim 12 , wherein an orthographic projection of a long axis of the polymer-modified whisker of the resin layer in a first plane has a first orientation angle, an orthographic projection of an absorption axis of the polarizing layer in the first plane has a second orientation angle, and an average difference between the first orientation angle and the second orientation angle is greater than or equal to −15° and less than or equal to 15°, and the first plane is parallel to a plane in which the polarizing layer is located; and
an included angle is formed between the long axis of the polymer-modified whisker and the first plane, the included angle is an acute angle that has an angle value less than or equal to 40°.
16. The polarizer according to claim 11 , further comprising a polarizing layer, a first protection layer, and a hard coating layer, wherein the resin layer is located between the polarizing layer and the hard coating layer, and the first protection layer is located between the resin layer and the hard coating layer.
17. The polarizer according to claim 11 , wherein the resin layer is configured to use as any one of a polarizing layer, a first protection layer, or a hard coating layer.
18. A display device, comprising:
a display panel;
a polarizer on a light-outputting side of the display panel, wherein the polarizer comprises a resin layer comprising a resin composition;
the resin composition comprises a first polymer and a polymer-modified whisker dispersed in the first polymer, the polymer-modified whisker comprises an inorganic whisker and a second polymer attached to a surface of the inorganic whisker, the first polymer is a lipophilic polymer, and the second polymer is a lipophilic polymer.
19. The display device according to claim 18 , wherein the inorganic whisker is at least one selected from a first type whisker, a second type whisker, a third type whisker, a fourth type whisker, or a fifth type whisker,
along an extension direction of a long axis of the first type whisker, a change in a diameter of the first type whisker is less than or equal to 0.3 microns;
along an extension direction of a long axis of the second type whisker, a change in a diameter of a middle section of the second type whisker is less than or equal to 1 micron; in a direction away from the middle section of the second type whisker, a diameter of a first end of the second type whisker gradually decreases, and a change in a diameter of a second end of the second type whisker is less than or equal to 1 micron;
along an extension direction of a long axis of the third type whisker, a change in a diameter of a middle section of the third type whisker is less than or equal to 1 micron; in a direction away from the middle section of the third type whisker, a diameter of a first end of the third type whisker gradually decreases, and a diameter of a second end of the third type whisker gradually decreases;
a first end of the fourth type whisker is sequentially connected to a second end of the fourth type whisker, and in a direction from the first end of the fourth type whisker toward the second end of the fourth type whisker, a diameter of the fourth type whisker gradually decreases;
a first end of the fifth type whisker is sequentially connected to a second end of the fifth type whisker, a diameter of a first end of the fifth type whisker gradually decreases in a direction away from the second end of the fifth type whisker, and a diameter of the second end of the fifth type whisker gradually decreases in a direction away from the first end of the fifth type whisker.