PROTECTIVE MATERIAL AND PROTECTIVE STRUCTURE AND PROTECTIVE METHOD

• US 20170174930A1
• Filed: 03/08/2016
• Published: 06/22/2017
• Est. Priority Date: 12/17/2015
• Status: Active Application

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: PENG, Chih-Kang, LAI, Wei-Hao, CHEN, Shih-Ming
• Granted Patent: US 10,266,718 B2
• Time in Patent Office: Days
• CPC Class Codes: C08K 3/36 Silica
• CPC Class Codes: C08L 33/24 Homopolymers or copolymers of amides or imides
• CPC Class Codes: C09D 133/24 Homopolymers or copolymers of amides or imides
• CPC Class Codes: C09D 5/00 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced electrically insulating plastics, resins or waxes H01B3/30; Filling pastes
• CPC Class Codes: C09D 7/61 inorganic
• CPC Class Codes: F41H 5/02 Plate construction
• CPC Class Codes: F41H 5/06 Shields in ships B63G9/00; in aircraft B64D7/00 ; blasting mats F42D5/05

Abstract

A protective material is provided, which includes a polymer polymerized from a monomer and a plurality of silica particles. The monomer includes acrylamide with a formula of

wherein each R is independently H or C_1-3 alkyl group, and R′ is C_2-5 alkylene group. The silica particles and the polymer have a weight ratio of 1.5:1 to 4:1.

Claims

1. A protective material, comprising:

a polymer polymerized from a monomer, wherein the monomer includes acrylamide monomer with a formula of

2. The protective material as claimed in claim 1, wherein the polymer has a weight average molecular weight of 1000 to 50000.

3. The protective material as claimed in claim 1, wherein the monomer further comprises acrylate monomer or acrylate oligomer, and the acrylamide monomer and the acrylate monomer or acrylate oligomer have a weight ratio greater than or equal to 2.5.

4. The protective material as claimed in claim 1, wherein the silica particles have a ball shape or an irregular shape.

5. The protective material as claimed in claim 1, wherein the silica particles have a size of 50 nm to 1 mm.

12. The protective structure as claimed in claim 1, wherein the silica particles have a size of 50 nm to 1 mm.

6. A protective structure, comprising:

a protective material; and

a substrate impregnated in the protective material or disposed under the protective material;

wherein the protective material comprises;

a polymer polymerized from a monomer, wherein the monomer includes acrylamide monomer with a formula of

7. The protective structure as claimed in claim 6, wherein the substrate comprises fiber, foam, coating, or metal foil.

8. The protective structure as claimed in claim 6, having a thickness of 1 mm to 5 mm.

9. The protective structure as claimed in claim 6, wherein the polymer has a weight average molecular weight of 1000 to 50000.

10. The protective structure as claimed in claim 6, wherein the monomer further comprises acrylate monomer or acrylate oligomer, and the acrylamide monomer and the acrylate monomer or acrylate oligomer have a weight ratio greater than or equal to 2.5.

11. The protective structure as claimed in claim 6, wherein the silica particles have a ball shape or an irregular shape.

13. A protective method, comprising:

putting a protective structure on an object for dissipating a force in the protective material, wherein the force is initially applied to the object,

wherein the protective structure comprises;

a protective material; and

a substrate impregnated in the protective material or disposed under the protective material;

wherein the protective material comprises;

a polymer polymerized from a monomer, wherein the monomer includes acrylamide monomer with a formula of

14. The method as claimed in claim 13, wherein the substrate comprises fiber, foam, coating, or metal foil.

15. The method as claimed in claim 13, wherein the protective structure has a thickness of 1 mm to 5 mm.

16. The method as claimed in claim 13, wherein the polymer has a weight average molecular weight of 1000 to 50000.

17. The method as claimed in claim 13, wherein the monomer further comprises acrylate monomer or acrylate oligomer, and the acrylamide monomer and the acrylate monomer or acrylate oligomer have a weight ratio greater than or equal to 2.5.

18. The method as claimed in claim 13, wherein the silica particles have a ball shape or an irregular shape.

19. The method as claimed in claim 13, wherein the silica particles have a size of 50 nm to 1 mm.

20. The method as claimed in claim 13, wherein the object is a human body, and the force initially applied to the object comes from a bullet fired from a firearm.