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High-thermal-conductivity PCR tube and preparation process thereof

A technology with high thermal conductivity and preparation technology, which is applied in the field of reaction tubes, can solve the problems of non-corrosion resistance and high price, and achieve the effects of high thermal conductivity, excellent thermal conductivity and wear resistance, excellent thermal conductivity and water resistance

Active Publication Date: 2022-01-11
HANGZHOU ANYU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the largest and most important applications of thermally conductive plastics is to replace metal and metal alloys in the manufacture of heat exchangers. The disadvantage of metal heat exchangers is that they are not resistant to corrosion. The disadvantage of alloy materials is that they are expensive. Thermally conductive plastics can overcome these disadvantages

Method used

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  • High-thermal-conductivity PCR tube and preparation process thereof
  • High-thermal-conductivity PCR tube and preparation process thereof
  • High-thermal-conductivity PCR tube and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method for preparing a thermally conductive material, comprising the steps of:

[0041] S1: Preparation of modified graphene

[0042] In parts by weight, disperse 2.5 parts by weight of graphene oxide in 35 parts by weight of DMF, then add 130 parts by weight of thionyl chloride to treat at 75°C for 8h; Drying at lower temperature to obtain functionalized graphene oxide; then 1.5 parts by weight of the above-mentioned functionalized graphene oxide, 24 parts by weight of neohesperidin, 2.5 parts by weight of triethylamine, 25 parts by weight of toluene, and 8 parts by weight of DMF were added to the container In a round-bottomed flask with a magnetic stirrer and a reflux condenser, after stirring at 75°C for 1h, reflux for 80h, cool to room temperature, wash with ethanol, and dry at 45°C to obtain modified graphene;

[0043] S2: Preparation of thermally conductive material

[0044] Dissolving 10 parts by weight of polyvinylpyrrolidone in 30 parts by weight of methylf...

Embodiment 2

[0048] A method for preparing a thermally conductive material, comprising the steps of:

[0049] S1: Preparation of modified graphene

[0050] In parts by weight, disperse 4 parts by weight of graphene oxide in 45 parts by weight of DMF, then add 160 parts by weight of thionyl chloride to treat at 80°C for 12h; Drying at lower temperature to obtain functionalized graphene oxide; then 2.5 parts by weight of the above-mentioned functionalized graphene oxide, 30 parts by weight of neohesperidin, 3.5 parts by weight of triethylamine, 30 parts by weight of toluene, and 11 parts by weight of DMF were added to the container. In a round-bottomed flask with a magnetic stirrer and a reflux condenser, after stirring at 85°C for 1 hour, reflux for 100 hours, cool to room temperature, wash with ethanol, and dry at 50°C to obtain modified graphene;

[0051] S2: Preparation of thermally conductive material

[0052] 20 parts by weight of polymethyl acrylate are dissolved in 40 parts by weig...

Embodiment 3

[0056] A method for preparing a thermally conductive material, comprising the steps of:

[0057] S1: Preparation of modified graphene

[0058] In parts by weight, 5 parts by weight of graphene oxide were dispersed in 40 parts by weight of DMF, and then 180 parts by weight of thionyl chloride was added to treat at 85°C for 12h; Drying at lower temperature to obtain functionalized graphene oxide; then 1 weight part of the above-mentioned functionalized graphene oxide, 20 weight parts neohesperidin, 2.5 weight parts triethylamine, 25 weight parts toluene, 14 weight parts DMF were added to the container In a round-bottomed flask with a magnetic stirrer and a reflux condenser, after stirring at 75°C for 1h, reflux for 120h, cool to room temperature, wash with ethanol, and dry at 50°C to obtain modified graphene;

[0059] Step S2 is the same as in Embodiment 2.

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Abstract

The invention discloses a high-thermal-conductivity PCR tube and a preparation process thereof. The preparation process comprises the following procedures: 1, carrying out plasma pretreatment on a PCR tube to obtain a pretreated PCR tube; and 2, soaking the pretreated PCR tube in a heat-conducting material for surface treatment to obtain the high-heat-conductivity PCR tube. The heat conducting material comprises modified graphene, an organic polymer, a solvent and a chemical additive, wherein the modified graphene is prepared from neohesperidin modified graphene oxide. The prepared PCR reaction tube has relatively high thermal conductivity and excellent water resistance, biological pollution resistance and wear resistance.

Description

technical field [0001] The invention belongs to the technical field of reaction tubes, in particular to a PCR reaction tube with high thermal conductivity and a preparation process thereof. Background technique [0002] At present, there are many kinds of high thermal conductivity materials studied, which can be divided into the following three categories according to the types of materials, namely: polymer-based thermal conductivity materials, metal-based thermal conductivity materials and ceramic thermal conductivity materials. Thermally conductive polymer materials are mainly used to replace metal materials in environments that require good thermal conductivity and excellent corrosion resistance, such as heat exchangers, heat pipes, solar water heaters, and battery coolers. One of the largest and most important applications of thermally conductive plastics is to replace metal and metal alloys in the manufacture of heat exchangers. The disadvantage of metal heat exchangers...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/62C09D139/06C09D133/12C09D171/02C09D133/08B05D7/24B05D3/14B05D5/00C08K9/04C08K9/02C08K3/04
CPCC09D7/62C09D139/06C09D133/12C09D171/02C09D133/08B05D7/24B05D3/142B05D5/00C08K9/04C08K9/02C08K3/042
Inventor 方涌章贤骏雷诺成孟学栋
Owner HANGZHOU ANYU TECH CO LTD
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