1. A biomass photosensitive material, comprising:
a product of a ring-opening addition reaction from a copolymer and (c) monomer with a single hydroxy group and a carbon-carbon double bond,
wherein the copolymer is polymerized of (a) itaconic anhydride and (b) acrylate, and the (a) itaconic anhydride and the single hydroxy group of the (c) monomer with the single hydroxy group are reacted in the ring-opening addition reaction.
2. The biomass photosensitive material as claimed in claim 1, comprising a plurality of carbon-carbon double bonds and a plurality of carboxyl groups.
3. The biomass photosensitive material as claimed in claim 1, wherein the (a) itaconic anhydride and the (b) acrylate have a molar ratio of 1:0.8 to 1:5, and the (a) itaconic anhydride and the (c) the monomer with the single hydroxy group and the carbon-carbon double bond have a molar ratio of 1:0.2 to 1:1.
4. The biomass photosensitive material as claimed in claim 1, wherein the (b) acrylate comprises methyl methacrylate, butyl methacrylate, butyl acrylate, isooctyl acrylate, isobornyl acrylate, or a combination thereof.
5. The biomass photosensitive material as claimed in claim 1, wherein the (c) the monomer with the single hydroxy group and the carbon-carbon double bond comprises pentaerythritol triacrylate, 2-hydroxyethyl acrylate, or a combination thereof.
6. The biomass photosensitive material as claimed in claim 1, further comprising (d) polylactic acid to react with the copolymer in the ring-opening addition reaction, wherein the (a) itaconic anhydride and a hydroxy group of the (d) polylactic acid are reacted in the ring-opening addition reaction.
7. The biomass photosensitive material as claimed in claim 6, wherein the (a) itaconic anhydride and the (d) poly lactic acid have a molar ratio of 1:0.005 to 1:0.7.
8. The biomass photosensitive material as claimed in claim 1, further comprising (e) water, alcohol, or a combination thereof to react with the copolymer in the ring-opening addition reaction, wherein the (a) itaconic anhydride and a hydroxy group of the (e) water, alcohol, or a combination thereof are reacted in the ring-opening reaction.
9. The biomass photosensitive material as claimed in claim 8, wherein the (a) itaconic anhydride and the (e) water, alcohol, or a combination thereof have a molar ratio of 1:0.001 to 1:0.3.
10. A printed circuit board, comprising:
an integrated circuit; and
an anti-solder layer on the integrated circuit, and the anti-solder layer is formed by pattering a photoresist material;
wherein the photoresist material includes the biomass photosensitive material and a photo initiator.
11. The printed circuit board as claimed in claim 10, wherein the photoresist material further comprises acrylate monomer, epoxy resin, inorganic filler, thermal curing agent, defoamer, diluent, thermal inhibitor, or a combination thereof.
12. A method for manufacturing a biomass photosensitive material, comprising:
(1) polymerizing (a) itaconic anhydride and (b) acrylate to form a copolymer; and
(2) mixing the copolymer and (c) monomer with a single hydroxy group and a carbon-carbon double bond for a ring-opening addition reaction to form a biomass photosensitive material,
wherein the (a) itaconic anhydride and the single hydroxy group of the (c) monomer with the single hydroxy group and the carbon-carbon double bond are reacted in the ring-opening addition reaction.
13. The method as claimed in claim 12, wherein the biomass photosensitive material includes a plurality of carbon-carbon double bonds and a plurality of carboxyl groups.
14. The method as claimed in claim 12, wherein the (a) itaconic anhydride and the (b) acrylate have a molar ratio of 1:0.8 to 1:5, and the (a) itaconic anhydride and the (c) the monomer with the single hydroxy group and the carbon-carbon double bond have a molar ratio of 1:0.2 to 1:1.
15. The method as claimed in claim 12, wherein the (b) acrylate comprises methyl methacrylate, butyl methacrylate, butyl acrylate, isooctyl acrylate, isobornyl acrylate, or a combination thereof.
16. The method as claimed in claim 12, wherein the (c) the monomer with the single hydroxy group and the carbon-carbon double bond comprises pentaerythritol triacrylate, 2-hydroxyethyl acrylate, or a combination thereof.
17. The method as claimed in claim 12, further comprising adding (d) polylactic acid into step (2) to react with the copolymer in the ring-opening addition reaction, wherein the (a) itaconic anhydride and a hydroxy group of the (d) polylactic acid are reacted in the ring-opening addition reaction.
18. The method as claimed in claim 17, wherein the (a) itaconic anhydride and the (d) poly lactic acid have a molar ratio of 1:0.005 to 1:0.7.
19. The method as claimed in claim 12, further comprising adding (e) water, alcohol, or a combination thereof into step (2) to react with the copolymer in the ring-opening addition reaction, wherein the (a) itaconic anhydride and a hydroxy group of the (e) water, alcohol, or a combination thereof are reacted in the ring-opening reaction.
20. The method as claimed in claim 19, wherein the (a) itaconic anhydride and the (e) water, alcohol, or a combination thereof have a molar ratio of 1:0.001 to 1:0.3.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An improved structure of a mini-sized air-inflation device having a motor, a mini-sized button-type air filter, a front mounting seat, a muffling pad, a muffling board seat, an air cylinder mounting, a piston, a cylinder body, an cylinder cover and a pressure gauze, characterized in that:
the motor has a sealing mounting seat provided with one or more than one through hole disposed with the air filter, the front mounting seat is locked with a covering cap, and a cylinder seat mounting plate of the motor is also provided with a through hole to lead air into the cylinder body, and the piston within the cylinder body is connected to the main shaft of the motor so that reciprocation movement is obtained, the piston is provided with an air-inlet hole and the top of the air-inlet hole is provided with an air-sealing pad, and an air discharge hole is provided within the interior of a through slot of the cylinder cover and the top face of the air discharge hole is also provided with a sealing pad, thereby when the reciprocating movement is initiated, an inflation is obtained and the motor and the cylinder body are provided with cooling air,
wherein the air filter is positioned within the through hole of the sealing mounting seat for leading air from the outside for dissipation, the air filter includes a top cover and a cup body and the face of the top cover is provided with air holes and the outer circumferential edge is provided with a water sealing edge and the cup body is provided with an insertion section and an air communication slot for filling of air filtering material.
2. The structure of claim 1, wherein the insertion section is provided with a snap engagement or a screw-typed lock.
3. The structure of claim 1, wherein the air filter is directly connected to the through hole provided on the muffling plate seat, directly cooling the interior of the cylinder body.