Polymer nanocomposites and methods of making the same

Patent metadata

Field	Value
Publication number	US-11718730-B2
Application number	US-201816770825-A
Country	US
Kind code	B2
Filing date	Dec 12, 2018
Priority date	Dec 14, 2017
Publication date	Aug 8, 2023
Grant date	Aug 8, 2023

Abstract

A method of fabricating a polymer composite material by mixing a polymer material with a planar material, depositing the mixture on a substrate, and stretching the resulting thin film, is described. Polymer composite materials produced using said method and ballistic resistant materials comprising said polymer composite materials are also described.

First claim

We claim:

1. A polymer composite material, comprising:
a polymer material having a plurality of polymer chains, wherein the polymer chains are highly aligned;
a planar material, wherein the amount of the planar material is between 10 wt % and 40 wt % of the composite material; and
wherein the degree of alignment of the polymer chains is between 80% and 100%.

2. The polymer composite material of claim 1 , wherein the polymer material comprises a polymer selected from the group consisting of a polyethylene, a polyamide, an aramid, a polycarbonate, a polystyrene, a fluoropolymer, a polyester, an epoxy, a polybenzazole, and combinations or co-polymers thereof.

3. The polymer composite material of claim 1 , wherein the polymer material is selected from the group consisting of low density polyethylene, high density polyethylene, and ultra-high molecular weight polyethylene.

4. The polymer composite material of claim 1 , wherein the planar material is selected from the group consisting of graphene, hexagonal boron nitride, silicene, germanene, phosphorene, MoS 2 , TiS 2 , WS 2 , VS 2 , TiSe 2 , MoSe 2 , WSe 2 , TaSe 2 , NbSe 2 , NiTe 2 , Bi 2 Te 3 , and combinations thereof.

5. The polymer composite material of claim 1 , wherein the planar material is graphene, hexagonal boron nitride, or a combination thereof.

6. The polymer composite material of claim 1 , wherein the amount of planar material is about 20 wt % of the composite material.

7. A ballistic resistant material comprising the polymer composite material of claim 1 .

8. Armor comprising the ballistic resistant material of claim 7 .

9. The polymer composite material of claim 1 , wherein the polymer composite material exhibits faster thermal diffusion and higher thermal conductivity than the polymer material.

10. The polymer composite material of claim 1 , wherein the polymer composite material exhibits impact load dampening.

11. An article comprising stacked sheets of the polymer composite material of claim 1 .

12. The polymer composite material of claim 1 , wherein the polymer composite material is disposed over an inert substrate.

13. The polymer composite material of claim 1 , wherein the polymer composite material exhibits higher strength and higher tensile modulus than the polymer material.

14. A slice, stick, wire, fiber, brick, fabric, or film, comprising the polymer composite material of claim 1 .

15. The polymer composite material of claim 1 , wherein the elongation at break of the polymer composite material is between 250% and 550%.

16. An article of clothing, cover, or blanket comprising the polymer composite material of claim 1 .

17. A fabric composing the polymer composite material of claim 1 , wherein the polymer composite material is unattached to or juxtaposed with the fabric.

18. A helmet, panel for military vehicle, protective shield, or freestanding structure comprising the polymer composite material of claim 1 .

19. The polymer composite material of claim 1 , wherein the Young's modulus of the polymer composite material at a degree of alignment of 80 to 100% is between 3.8 and 4.5.

Assignees

• Temple University—Of the Commonwealth System of Higher Education

Inventors

• Ren Shenqiang
• Percec Simona
• Zhang Zhuolei

Classifications

• C08K3/38 Primary

  Boron-containing compounds · CPC title

• B29B7/90

  Fillers or reinforcements {, e.g. fibres} · CPC title

• B29C41/006

  using an electrostatic field for applying the material · CPC title

• B29C55/005

  characterised by the choice of materials · CPC title

• B29C55/04

  uniaxial, e.g. oblique · CPC title