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Butadiene styrene rubber-based right-angled civil defense door sealing rubber strip and preparation method thereof

A technology for sealing rubber strips and styrene-butadiene rubber, applied in the rubber field, can solve problems such as poor mechanical properties and anti-aging properties, and achieve the effects of excellent mechanical properties, excellent anti-aging properties and reasonable process design.

Active Publication Date: 2020-10-13
盐城耀晖人防防护设备科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nowadays, the mechanical properties and anti-aging properties of the sealant strips on the market are poor, which cannot meet our needs in practical applications. Therefore, we disclose a right-angle air-raid door sealant strip based on styrene-butadiene rubber and its preparation method , to solve the problem

Method used

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  • Butadiene styrene rubber-based right-angled civil defense door sealing rubber strip and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Step 1: Prepare materials;

[0049] Step 2: Preparation of anti-aging agent:

[0050] Take cerium oxide and stearic acid, dissolve in deionized water, mix and stir for 10 minutes, ultrasonically disperse for 5 minutes, heat up to 90°C, react for 2 hours, cool, filter, and dry to obtain modified cerium oxide;

[0051] Take titanium powder, add hydrogen peroxide, ultrasonically disperse for 5 minutes, stir for 1 hour in an ice-water bath, then continue stirring for 12 hours at 25°C, filter, adjust the pH to neutral, and obtain material A;

[0052] Take aluminum nitrate nonahydrate and magnesium nitrate hexahydrate, dissolve them in absolute ethanol, disperse them ultrasonically for 8 minutes, add sodium hydroxide and methanol mixed solution under nitrogen atmosphere, stir for 10 minutes, then place them in a high-pressure reactor, and react at 150°C for 18 hours. Washing and drying to obtain material B;

[0053] Take material B, dissolve it in deionized water, disperse ...

Embodiment 2

[0063] Step 1: Prepare materials;

[0064] Step 2: Preparation of anti-aging agent:

[0065] Take cerium oxide and stearic acid, dissolve in deionized water, mix and stir for 12 minutes, ultrasonically disperse for 6 minutes, heat up to 95°C, react for 2.5 hours, cool, filter, and dry to obtain modified cerium oxide;

[0066] Take titanium powder, add hydrogen peroxide, ultrasonically disperse for 7 minutes, stir in an ice-water bath for 1.2 hours, then continue stirring at 27°C for 12.5 hours, filter, adjust the pH to neutral, and obtain material A;

[0067] Take aluminum nitrate nonahydrate and magnesium nitrate hexahydrate, dissolve them in absolute ethanol, disperse them ultrasonically for 9 minutes, add sodium hydroxide and methanol mixed solution under nitrogen atmosphere, stir for 13 minutes, then place them in a high-pressure reactor, and react at 155°C for 19 hours. Washing and drying to obtain material B;

[0068] Take material B, dissolve it in deionized water, di...

Embodiment 3

[0078] Step 1: Prepare materials;

[0079] Step 2: Preparation of anti-aging agent:

[0080] Take cerium oxide and stearic acid, dissolve in deionized water, mix and stir for 15 minutes, ultrasonically disperse for 8 minutes, heat up to 100°C, react for 3 hours, cool, filter, and dry to obtain modified cerium oxide;

[0081] Take titanium powder, add it into hydrogen peroxide, ultrasonically disperse for 8 minutes, stir in an ice-water bath for 1.5 hours, then continue stirring at 28°C for 13 hours, filter, adjust the pH to neutral, and obtain material A;

[0082] Take aluminum nitrate nonahydrate and magnesium nitrate hexahydrate, dissolve them in absolute ethanol, disperse them ultrasonically for 10 minutes, add sodium hydroxide and methanol mixed solution under nitrogen atmosphere, stir for 15 minutes, then place them in a high-pressure reactor, and react at 160°C for 20 hours. Washing and drying to obtain material B;

[0083] Take material B, dissolve it in deionized wat...

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Abstract

The invention discloses a butadiene styrene rubber-based right-angled civil defense door sealing rubber strip and a preparation method thereof. The sealing rubber strip comprises natural rubber, butadiene styrene rubber, ethylene propylene diene monomer, an anti-aging agent, auxiliary agents and the like. The auxiliary agents comprise modified graphene oxide, an additive and dopamine. The sealingrubber strip comprises the following raw materials in parts by weight: 25-30 parts of natural rubber, 45-50 parts of butadiene styrene rubber, 5-10 parts of ethylene propylene diene monomer, 3-6 partsof an anti-aging agent, 10-14 parts of auxiliary agents, 4-6 parts of silicon dioxide, 0.5-1 part of sulfur, 4-6 parts of dicumyl peroxide, 1-2 parts of an accelerant and 1-2 parts of an age resister. According to the butadiene styrene rubber-based right-angle civil air defense door sealing rubber strip and the preparation process thereof disclosed by the invention, the process design is reasonable, the component proportion is proper, and the prepared sealing rubber strip has excellent mechanical properties and excellent aging resistance, is convenient to store, can be applied to the fields of civil air defense doors and the like, and has a wide application range and high practicability.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a styrene-butadiene rubber-based right-angle air-defense door sealing strip and a preparation method thereof. Background technique [0002] Civil air defense doors refer to the doors of the entrances and exits of civil protection projects. Specifically, there are ordinary single and double-leaf protective airtight doors and airtight doors, and various civil air defense equipment such as single and double-leaf protective airtight doors and airtight doors; during the processing of civil air defense doors, sealing The rubber strip is a relatively important accessory, and most of the existing sealing rubber strips are prepared with styrene-butadiene rubber as the main body. [0003] Styrene-butadiene rubber (SBR), also known as polystyrene butadiene copolymer, its physical structure performance, processing performance and product performance are close to natural rubber, and some prope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/06C08L7/00C08L23/16C08L61/06C08K13/06C08K9/02C08K3/04C08K9/04C08K9/10C08K3/22C08K3/36C08K3/06C08K5/14C08K3/34C08K3/08C08K3/26E06B7/23
CPCC08L9/06E06B7/2314C08L2205/035C08L2201/08C08K2003/2213C08L7/00C08L23/16C08L61/06C08K13/06C08K9/02C08K3/042C08K9/04C08K9/10C08K3/22C08K3/36C08K3/06C08K5/14C08K3/34C08K3/04C08K3/08C08K3/26
Inventor 周传海潘文忠沈建国张勇
Owner 盐城耀晖人防防护设备科技有限公司
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