GRAPHENE OXIDE/POLYMER COMPOSITION FOR MANUFACTURING INNER LINERS AND INNER TUBES OF TIRES AND METHOD FOR PREPARING THE SAME

Li LIU

Patent

Atlas literature

Patent

US 9,303,155

GRAPHENE OXIDE/POLYMER COMPOSITION FOR MANUFACTURING INNER LINERS AND INNER TUBES OF TIRES AND METHOD FOR PREPARING THE SAME

Li LIU

Claims

Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.

1 independent · 9 dependent

1
Independentgraphene oxidereactive rubbersolid rubberepoxy natural rubber (ENR)thermoplastic resintire inner liner/inner tube
A graphene oxide/polymer composition for manufacturing inner liners and inner tubes of tires, the graphene oxide/polymer composition comprising: a continuous phase, the continuous phase comprising a composition of graphene oxide/rubber, the composition of graphene oxide/rubber comprising graphene oxide, a reactive rubber, and a solid rubber; and a dispersed phase, the dispersed phase comprising an epoxy natural rubber or thermoplastic rubber a thermoplastic resin.
1. 2
  Dependent← claim 1graphene oxide
  The graphene oxide/polymer composition of claim 1, wherein: the graphene oxide is in a content of 0.1-30 phr, phr is deﬁned as 1 weigh part of graphene oxide with respect to 100 weight parts of rubber, and the rubber comprises the reactive rubber and the solid rubber.
2. 3
  Dependent← claim 1reactive rubbersolid rubber
  The graphene oxide/polymer composition of claim 1, wherein: a weight ratio of the solid rubber and to the reactive rubber is from 99: 1 to 50: 50.
3. 4
  Dependent← claim 1reactive rubber
  The graphene oxide/polymer composition of claim 1, wherein the reactive rubber is amine-terminated rubber or carboxy-terminated rubber.
4. 5
  Dependent← claim 1reactive rubber
  The graphene oxide/polymer composition of claim 1, wherein: 2/7 Application Serial No. 14/325,323 Reply to Oﬃce Action of Atty Docket No. BJHG-00201-UUS the reactive rubber comprises an onium group, the onium group is SVG 14325323.08-30-2015.IDZBAV₆SPXXIFW3.CLM.1.svg 0.49 5.27 Black and white aryl group, or an allyl group.
5. 6
  Dependent← claim 1solid rubber
  The graphene oxide/polymer composition of claim 1, wherein the solid rubber is selected from: styrene-butadiene copolymers; isoprene- or acrylonitrile- butadiene copolymers; polybutadiene; polyisobutylene; polyisoprene; butadiene-, styrene-, or acrylonitrile-isoprene copolymers; ethylene-propylene-butadiene copolymers; or natural rubber.
6. 7
  Dependent← claim 1epoxy natural rubber (ENR)
  The graphene oxide/polymer composition of claim 1, wherein the dispersed phase is an epoxy natural rubber having an epoxide content of 10-50%.
7. 8
  Dependent← claim 1thermoplastic resin
  The graphene oxide/polymer composition of claim 1, wherein the thermoplastic resin is polyethylene, polyvinyl chloride, polystyrene, polyamide, polyoxymethylene, polycarbonate, polyphenylene ether, or polysulfone.
8. 9
  Dependent← claim 1epoxy natural rubber (ENR)thermoplastic resin
  The graphene oxide/polymer composition of claim 1, wherein a weight ratio of the composition of graphene oxide/rubber with respect to the epoxy natural rubber or the thermoplastic resin is from 9: 1 to 1: 1.
9. 10
  Dependent← claim 1graphene oxidereactive rubbersolid rubberepoxy natural rubber (ENR)thermoplastic resingraphite oxide
  A method for preparing the graphene oxide/polymer composition of claim 1, comprising: 1) dispersing and ultrasonicating graphite oxide in water to obtain a hydrosol of graphene oxide; 2) mixing the hydrosol of graphene oxide of 1) with the reactive rubber to obtain a mixture; 3/7 Application Serial No. 14/325,323 Reply to Oﬃce Action of Atty Docket No. BJHG-00201-UUS 3) adding the solid rubber to the mixture of 2) to obtain a composition of graphene oxide/rubber, the solid rubber is rubber latex or dry rubber; and 4) mixing the composition of graphene oxide/rubber with th e epoxy natural rubber or the thermoplastic resin to obtain a the graphene oxide/polymer composition. 4/7

Worked examples

Embodiments described in the patent, grouped by the materials and process steps they use.

Embodiment 1

description derived process summary

5 materials1 process step

1 g graphite oxide dispersed and ultrasonicated in 100 g water to obtain graphene oxide hydrosol (1 wt%). Mixed with 10 g latex of butadiene-vinyl pyridine rubber (reactive rubber, 40 wt% solid content), then mixed with 480 g styrene-butadiene rubber latex (SBR, 20 wt% solid content). Flocculated with 100 mL 1% calcium chloride solution, dried at 50°C for 24 h to obtain graphene oxide/rubber composition. This composition then mixed with 10 g epoxy natural rubber (epoxide content 10%) and additional additives (5 phr zinc oxide, 2 phr stearic acid, 1.5 phr accelerator CZ, 0.2 phr accelerator M, 2 phr antiager 4010NA, 2.5 phr sulfur) in a two roll mixing mill to obtain the final composition.

Device structures

Layer stacks claimed or described, ordered top of device to substrate.

tire inner liner/inner tube

graphene oxideinner liner or inner tube material

Materials

Materials described outside the worked examples.

reactive rubber

Rubber Component Capable Of Reacting With Functional Groups On Graphene Oxide Surface

solid rubber

Rubber Matrix Component In Continuous Phase

Process steps

Additional fabrication and treatment steps described in the patent.

Mixing And Compounding

Step 1

Process details

route A:graphite oxide dispersed and ultrasonicated in water (solid content <5 wt%); reactive rubber latex (<60 wt% solid) added and ultrasonicated/stirred; mixed with rubber latex; flocculant added to induce flocculation; dried in blast drying oven

route B:graphite oxide dispersed and ultrasonicated in deionized water (<5 wt%); reactive rubber latex added and ultrasonicated/stirred; solid collected by vacuum filtration or filter press; dried; mixed with solid dry rubber in two roll mixing mill

Materials:

Reported properties

Performance values and ranges asserted in the specification or claims.

Property	Value	Material
Temperature	8–34.1 °C	—

Why these are connected

Related documents with shared materials, methods, properties, or citations.

GRAPHENE OXIDE/POLYMER COMPOSITION FOR MANUFACTURING INNER LINERS AND INNER TUBES OF TIRES AND METHOD FOR PREPARING THE SAME | Matter42 Literature