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Multi-prevention EPDM rubber coating and preparation technology thereof

A technology of EPDM rubber and coatings, applied in anti-corrosion coatings, coatings, conjugated diene coatings, etc., can solve the problem of insurmountable self-cleaning, affect the service life of EPDM coatings, and decompose, etc. It can eliminate the problem that the filler is easily separated from the rubber component, the formula composition is reasonable, and the preparation process is simple.

Inactive Publication Date: 2011-02-02
北京立高科技股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing EPDM waterproof coating has defects in the formula, which cannot overcome the self-cleaning problem caused by the precipitation of the EPDM waterproof coating, and the filler in the EPDM coating is difficult to dissolve in the solvent. It is well integrated with rubber and resin, and it is easy to separate and differentiate during use, which will affect the service life of EPDM rubber coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 selects each commercially available raw material according to the total amount composition proportioning of following raw material:

[0028] EPDM rubber 70 PTFE resin 10

[0029] SBR 20 Terpene resin 60

[0030] SBS 60nm Zinc Oxide 0.6

[0031] Nano calcium carbonate 20 Basic magnesium carbonate 6

[0032] Nano-titanium dioxide 8 Sub-spherical silica powder 20

[0033] Commercially available environmentally friendly solvent 490 antioxidant RD 3

[0034] Accelerator M 0.8.

[0035] First add part of the agent into the reaction kettle and start stirring, add EPDM rubber, continue stirring until the EPDM rubber is completely dissolved, add SBR and polytetrafluoroethylene resin into the kettle, and add some solvents to continue stirring, continue Add basic magnesium carbonate and stir, add anti-aging dispersing agent and continue stirring until there are no particles, and add part of the solvent, then add SBS and terpene resin and stir until completely dis...

example 2

[0037] Example 2 selects each commercially available raw material according to the total composition ratio of the following raw materials:

[0038] EPDM 60 PTFE resin 12

[0039] SBR 15 Terpene resin 70

[0040] SBS 70nm Zinc Oxide 0.4

[0041] Nano Calcium Carbonate 25 Basic Magnesium Carbonate 4

[0042] Nano-titanium dioxide 6 Sub-spherical silica powder 25

[0043] Commercially available environmentally friendly solvent 450 Antiaging agent 2

[0044] Accelerators 1.4.

[0045] Add part of the agent into the reaction kettle and start stirring, add EPDM rubber, continue to stir until the EPDM rubber is completely dissolved, add SBR and polytetrafluoroethylene resin into the kettle, and add some solvents to continue stirring, continue to add Stir basic magnesium carbonate, add anti-aging dispersing agent and continue stirring until there are no particles, and add part of the solvent, then add SBS and terpene resin and stir until completely dissolved, then add part of the...

Embodiment 3

[0047] Embodiment 3 selects each commercially available raw material according to the total amount composition proportioning of following raw material:

[0048] EPDM rubber 80 PTFE resin 8

[0049] SBR 25 Terpene resin 50

[0050] SBS 50nm Zinc Oxide 0.8

[0051] Nano calcium carbonate 15 Basic magnesium carbonate 8

[0052] Nano-titanium dioxide 10 Sub-spherical silica powder 15

[0053]Commercially available environmentally friendly solvent 550 Anti-aging agent 4

[0054] Accelerators 1.2.

[0055] Add part of the agent into the reaction kettle and start stirring, add EPDM rubber, continue to stir until the EPDM rubber is completely dissolved, add SBR and polytetrafluoroethylene resin into the kettle, and add some solvents to continue stirring, continue to add Stir basic magnesium carbonate, add anti-aging dispersing agent and continue stirring until there are no particles, and add part of the solvent, then add SBS and terpene resin and stir until completely dissolved, ...

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Abstract

The invention discloses a multi-prevention EPDM rubber coating and a preparation technology thereof, and raw materials of the coating comprises the following components in proportion by weight: 60-80 of EPDM rubber, 8-12 of teflon resin, 15-25 of SBR, 50-70 of terpene resin, 50-70 of SBS, 4-6 of anti-aging dispersing additives, 15-25 of nanometer calcium carbonate, 4-8 of basic magnesium carbonate, 6-10 of nanometer titanium white, 15-25 of nearsphere silicon micro-powder and 450-550 of solvent. The multi-prevention EPDM rubber coating has the functions of waterproofness, anti-corrosion, inflaming retarding, dust prevention and self-cleaning, the formula constitution is reasonable and can realize homogenous stability of long-term storage, the formula constitution is simple, the raw material proportion is reasonable, thus the defect that padding is easy to separate from rubber component in the coating is eliminated. The preparation technology of the multi-prevention EPDM rubber coating is simple and is suitable for industrial production.

Description

technical field [0001] The invention belongs to waterproof paint and its preparation technology, in particular to a multi-proof EPDM paint with waterproof, anti-corrosion, flame-retardant, dust-proof and self-cleaning functions and its preparation process. Background technique [0002] EPDM waterproof coating is a waterproof engineering material with EPDM as the main raw material. EPDM is basically a saturated polymer compound with no polar substituents in the molecule, and the chain links are more flexible. , its excellent aging resistance is the best among general-purpose rubbers: it also has good ozone resistance, weather resistance and heat aging resistance. However, the existing EPDM waterproof coating has defects in the formula, which cannot overcome the self-cleaning problem caused by the precipitation of the EPDM waterproof coating, and the filler in the EPDM coating is difficult to dissolve in the solvent. It is well integrated with rubber and resin, and it is easy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D109/06C09D7/12C09D123/16C09D127/18C09D5/08C09D145/00C09D153/02
Inventor 王政昌段霓华曹海涛赵文龙徐靖
Owner 北京立高科技股份有限公司
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