Tunable materials

A technology for graphite materials, plastics, used in anti-corrosion coatings, nanotechnology for materials and surface science, fibrous fillers, etc.

Active Publication Date: 2015-04-08
TESLA NANOCOATINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Thermosets, CNTs, graphene, and HNTs can increase modulus and toughness, but for some plastic composites, elasticity may be preferred

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] Multilayer CNTs (10 g, Baytubes, Bayer, Germany) and 10 g of aminopropyltrimethoxysilane were sonicated in 1000 g of Jeffamine ED-900 hardener (Huntsman, USA) using 1 g of aluminum tripropoxide as a catalyst. The power is 800W and the time is about 10min. This hardener (designated HNT-hardener) is ready to be used with a bisphenol A epoxy resin comprising 80 ml of dimethyldimethoxysilane and 20 g of diphenyldimethoxysilane.

Embodiment 2

[0088] Multilayer CNT (10g, Baytubes, Bayer, Germany), nanoparticles of 5g silica and 5g alumina, and 10g aminopropyltrimethoxysilane were mixed in a mortar and mortar in 100ml Jeffamine ED-900 hardener (Huntsman, USA). Medium grinding for about 30min. The hardener was diluted to 1000g using anhydrous Jeffamine HK-511 (expressed as HNT-NP-hardener), prepared with 1450g bisphenol containing 80ml dimethyldimethoxysilane and 20g diphenyldimethoxysilane A epoxy resin is used together.

Embodiment 3

[0090] The material from Example 2 was diluted with 200 ml isopropanol, filtered and washed with 100 ml isopropanol. The solid was dried under vacuum. The functionalized CNTs were dispersed in 1000ml of 3,3'-dimethyl-4,4'-diaminodicyclohexylmethane.

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Abstract

One or more techniques are disclosed for a method for functionalized a graphitic material comprising the steps of: 1) providing a graphitic material; 2) providing a first molecule comprising a first group, a spacer, and a second group; 3) providing a second molecule comprising a third group, a spacer, and a fourth group, wherein said third group is a different group from said first group; and 4) bonding the first molecule and the second molecule to the graphitic material. Also disclosed is a tunable material composition comprising the functionalized carbon nanotubes or functionalized graphene prepared by the methods described herein.

Description

[0001] This application claims U.S. Patent Application Serial No. 61 / 850,561, filed February 20, 2013, entitled "Tunable Materials," and Serial No. 61 / 850,561, filed June 21, 2012, entitled "Tunable Materials" Priority of Finnish Patent Application No. 61 / 850,561, which are hereby incorporated by reference. Background technique [0002] Composites can be made using thermosetting plastics such as epoxy, polyurethane and silicone. Epoxy resins can be produced by reacting epoxy resins and hardeners. Polyurethane polymers can be formed by the reaction of isocyanates and polyols. Silicone resins may include polymeric siloxanes having pendant organic groups. [0003] Carbon nanotubes (CNTs) and graphene have been used to strengthen thermoset plastics such as epoxies, polyurethanes, silicones, and other resins and polymers. CNTs, functionalized CNTs (or hybrid CNTs, designated HNTs), graphene, and functionalized graphene may be collectively referred to as hybrid graphitic material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/46C01B31/02C01B31/04C09C1/56
CPCC01P2004/13C01B31/0484C09D5/084C09C1/46C09C1/565B82Y40/00C09C1/48C01B31/0273B82Y30/00C01B32/174C01B32/194C07D303/30C01B32/168C01B32/05C09D7/40C07F7/1804C09D5/08C09D5/106C01B32/21C01B32/23
Inventor 约尔马·维尔塔宁
Owner TESLA NANOCOATINGS
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