Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for preparing an oil-filled emulsion polymerization styrene-butadiene rubber by using modified carbon nano-tubes

A polystyrene-butadiene rubber and nanotube technology, which is applied in the field of preparing oil-extended emulsion polystyrene-butadiene rubber by an emulsion method, can solve problems such as easy deformation of gel and solvent pollution, and achieves a simple modification method, easy operation and good adhesion. elastic effect

Active Publication Date: 2020-01-31
PETROCHINA CO LTD
View PDF17 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention aims to solve the technical problem that the composite gel obtained by the existing method is polluted by the solvent, and the gel is easily deformed during the solvent exchange process.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for preparing an oil-filled emulsion polymerization styrene-butadiene rubber by using modified carbon nano-tubes
  • Method for preparing an oil-filled emulsion polymerization styrene-butadiene rubber by using modified carbon nano-tubes
  • Method for preparing an oil-filled emulsion polymerization styrene-butadiene rubber by using modified carbon nano-tubes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Preparation of ionic liquid modified carbon nanotube viscoelastic fluid: add 12000 parts of 1-butyl-3-methylimidazolium hexafluorophosphate in a beaker, add 100 parts of multi-walled carbon nanotubes, and ultrasonically disperse at room temperature After 4 hours, add 600 parts of naphthenic oil, and stir at a high speed of 300 rpm for 4 hours to obtain 1-butyl-3-methylimidazolium hexafluorophosphate modified carbon nanotube viscoelastic fluid.

[0036] (2) Latex coagulation: 50 parts of soft water and 100 parts of styrene-butadiene latex are added to the coagulation kettle, stirred and mixed, and 10 parts of 1-butyl-3-methylimidazole hexafluorophosphate modified carbon nanotube viscoelastic fluid is added, Stir and mix for 30 minutes, add 5 parts of saturated NaCl aqueous solution at 30°C coagulation temperature, stir and mix for 30 minutes, add 10 parts of sulfuric acid for coagulation, stir at 80°C for 3 hours for aging, then wash, dehydrate, and dry to obtain a po...

Embodiment 2

[0041] (1) Preparation of ionic liquid modified carbon nanotube viscoelastic fluid: add 15000 parts of 1-octyl-3-methylimidazole bis(trifluoromethanesulfonyl) imide salt) in a beaker, add 100 parts of multi-wall Carbon nanotubes were ultrasonically dispersed at room temperature for 6 hours, then 1000 parts of paraffin oil was added, and stirred at a high speed of 400 rpm for 5 hours to obtain 1-octyl-3-methylimidazole bis(trifluoromethanesulfonyl ) imide salt) modified carbon nanotube viscoelastic fluid.

[0042] (2) Latex coagulation: Add 100 parts of soft water and 100 parts of styrene-butadiene latex into the coagulation kettle, stir and mix, add 10 parts of 1-octyl-3-methylimidazole bis(trifluoromethanesulfonyl) imide salt) to modify Carbon nanotube viscoelastic fluid, stirred and mixed for 30 minutes, at 50°C coagulation temperature, added 10 parts of saturated NaCl aqueous solution, stirred and mixed for 30 minutes, added 5 parts of sulfuric acid to coagulate, stirred at...

Embodiment 3

[0047] (1) Preparation of ionic liquid modified carbon nanotube viscoelastic fluid: add 13000 parts of 1-hexyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide salt in a beaker, add 100 parts of multi-walled carbon nanotubes , ultrasonically dispersed at room temperature for 5 hours, then added 600 parts of naphthenic oil, and stirred at a high speed of 400 rpm for 5 hours to obtain 1-hexyl-3-methylimidazole bis(trifluoromethanesulfonyl)imide salt Modified carbon nanotube viscoelastic fluids.

[0048] (2) Latex coagulation: Add 80 parts of soft water and 100 parts of styrene-butadiene latex to the coagulation kettle, stir and mix, add 20 parts of 1-hexyl-3-methylimidazole bis(trifluoromethanesulfonyl) imide salt modified carbon Nanotube viscoelastic fluid, stirred and mixed for 30 minutes, added 6 parts of saturated NaCl aqueous solution at 40°C coagulation temperature, stirred and mixed for 30 minutes, added 15 parts of sulfuric acid to coagulate, stirred at 100°C for 5...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melting pointaaaaaaaaaa
tensile strengthaaaaaaaaaa
tensile strengthaaaaaaaaaa
Login to View More

Abstract

The invention provides a method for preparing an oil-filled emulsion polymerization styrene-butadiene rubber by using modified carbon nano-tubes. The preparation method comprises: (1) preparation of an ionic liquid modified carbon nano-tube viscoelastic fluid: adding an ionic liquid and carbon nano-tubes into a beaker, ultrasonically dispersing for 3-6 h at a room temperature, adding organic oil,and stirring for 3-5 h at a high speed of 300-400 rpm to obtain the ionic liquid modified carbon nano-tube viscoelastic fluid; and (2) latex coagulation; adding soft water and styrene-butadiene latexinto a coagulation kettle, stirring and mixing, adding the ionic liquid modified carbon nano-tube viscoelastic fluid obtained in the step (1), stirring and mixing for 30 min, adding a demulsifier at acoagulation temperature of 30-50 DEG C, stirring and mixing for 30 min, adding a coagulant, carrying out coagulation, stirring at a temperature of 80-100 DEG C for 2-5 h, aging, washing, dehydrating,and drying to obtain the polymer.

Description

technical field [0001] The invention relates to a method for preparing oil-extended emulsion polystyrene butadiene rubber by ionic liquid modified carbon nanotubes, in particular to a method for preparing oil-extended emulsion polystyrene butadiene rubber by using an emulsion method. Background technique [0002] Using montmorillonite, nano-CaCO 3 The research on filling modified polymers with nanomaterials has been extensive, and gratifying results have been obtained. Among them, carbon nanotubes (CNTs) are the most characteristic one-dimensional nanomaterials. High aspect ratio (generally greater than 1000) and super mechanical properties, its application has been involved in the fields of nanoelectronic devices, catalyst supports, electrode materials, hydrogen storage materials and composite materials. Ionic liquid refers to a salt composed of organic cations and organic or inorganic anions with a melting point lower than 100°C. It has almost zero vapor pressure, good t...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/08C08L91/00C08L91/06C08K9/04C08K3/04
CPCC08L9/08C08K2201/011C08L91/00C08K9/04C08K3/041C08L91/06
Inventor 魏绪玲梁滔龚光碧李晶赵洪国郭珺赵玉中牛承祥孟令坤
Owner PETROCHINA CO LTD