Door seal material and preparation method thereof, door seal ring and household appliance

A door seal ring and inorganic filler technology, applied in the field of household appliances, can solve problems such as difficult to clean stains, easy to deform, poor heat resistance of door seal rings, etc.

Pending Publication Date: 2022-06-24
HISENSE(SHANDONG)REFRIGERATOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the door seals on household appliances have poor heat resistance and are prone t

Method used

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  • Door seal material and preparation method thereof, door seal ring and household appliance
  • Door seal material and preparation method thereof, door seal ring and household appliance
  • Door seal material and preparation method thereof, door seal ring and household appliance

Examples

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preparation example Construction

[0076] An embodiment of the present application provides a method for preparing a door sealing material, comprising the following steps:

[0077] S1. Weigh the following raw materials in parts by weight: 100 parts of styrene-ethylene-butylene-styrene block copolymer, 40-60 parts of polypropylene, 10-20 parts of polyphenylene ether, 100-130 parts of filler oil, and inorganic filler 10-20 parts, 0.1-1 part of surface modifier, 0.1-1 part of pigment, 0.1-0.5 part of antibacterial and antifungal agent, 1-2 parts of slip agent, 0.1-1 part of antioxidant, 0.1-1 part of heat stabilizer 1 part, 0.1-1 part of light stabilizer and 0.1-0.5 part of lubricant, for use;

[0078] S2. Dry the antioxidant and inorganic filler for use;

[0079] S3. Dissolving the surface modifier in anhydrous ethanol, then adding it to the dried inorganic filler, stirring and mixing, and drying to remove the anhydrous ethanol to obtain the pretreated inorganic filler;

[0080] S4. Mix the styrene-ethylene-but...

Embodiment 1

[0089] like Figure 5 Shown, S11, take by weighing the following weight raw materials: styrene-ethylene-butylene-styrene block copolymer (styrene content is 20%, number average molecular weight is 100000g / mol, hydrogenation amount is 90%, purchased from Sinopec Baling Petrochemical Co., Ltd. YH-503) 100g, polypropylene (random copolymer polypropylene, melting index 20g / 10min (230℃, 2.16Kg)) 45g, polyphenylene ether (intrinsic viscosity 0.35dL / g 25℃ , chloroform is solvent) 15g, hydrogenated white oil (kinematic viscosity is 10mm 2 / s, 40℃) 120g, calcium carbonate (1250 mesh) 15g, [3-(methacryloyloxy)propyl]trimethoxysilane 0.3g, iron red 0.5g, zirconium phosphate supported silver 0.3g, silicon Ketone (60% silane content) 1.5g, antioxidant (mass ratio of antioxidant 1010 and antioxidant 168 10:1) 0.3g, organotin heat stabilizer 0.4g, light stabilizer (light stabilizer UV327 and Light stabilizer GW580 mass ratio 1:1) 0.4g, ethylene bis-stearic acid amide 0.2g;

[0090] S12, v...

Embodiment 2

[0096] like Image 6 Shown, S21, take by weighing the following weight raw materials: styrene-ethylene-butylene-styrene block copolymer (styrene content is 30%, number average molecular weight is 200000g / mol, hydrogenation amount is 93%, purchased from Sinopec Baling Petrochemical Co., Ltd. YH-503) 100g, polypropylene (random copolymer polypropylene, melting index 25g / 10min (230℃, 2.16Kg)) 35g, polyphenylene ether (intrinsic viscosity 0.4dL / g 25℃ , chloroform is solvent) 13g, hydrogenated white oil (kinematic viscosity is 20mm 2 / s, 40℃) 110g, calcium carbonate (1250 mesh) 17g, [3-(methacryloyloxy)propyl]trimethoxysilane 0.3g, iron red 0.5g, zirconium phosphate supported silver 0.3g, silicon Ketone (60% silane content) 1g, antioxidant (mass ratio of antioxidant 1010 to antioxidant 168 10:1) 0.3g, organotin heat stabilizer 0.4g, light stabilizer (light stabilizer UV327 and light stabilizer) Agent GW580 mass ratio 1:1) 0.3g and ethylene bis-stearic acid amide 0.2g;

[0097] S...

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Abstract

The invention relates to the technical field of household appliances, in particular to a door seal material, a preparation method thereof, a door seal ring and a household appliance. The invention relates to a door seal material, and aims to solve the problem of poor heat resistance of a door seal ring. The door seal material comprises 100 parts of styrene-ethylene-butylene-styrene block copolymer, the door seal material further comprises 40-60 parts of polypropylene, 10-20 parts of polyphenyl ether, 100-130 parts of extending oil, 10-20 parts of inorganic filler, 1-2 parts of a slipping agent, 0.1-1 part of a surface modifier, 0.1-1 part of pigment, 0.1-0.5 part of an antibacterial and mildew-proof agent, 0.1-1 part of an antioxidant, 0.1-1 part of a heat stabilizer, 0.1-1 part of a light stabilizer and 0.1-0.5 part of a lubricant. The door seal material is used for household appliances.

Description

technical field [0001] The application relates to the technical field of household appliances, and in particular, to a door sealing material and a preparation method thereof, a door sealing ring and a household appliance. Background technique [0002] At present, the door seals on household appliances have poor heat resistance, are prone to deformation, and are difficult to clean up stains, thus affecting the service life. SUMMARY OF THE INVENTION [0003] Embodiments of the present application provide a door sealing material and a preparation method thereof, a door sealing ring and a household appliance, the door sealing material can be used to improve the heat resistance of the door sealing ring and easy cleaning of stains in the household appliance. [0004] To achieve the above object, the embodiments of the present application adopt the following technical solutions: [0005] In a first aspect, an embodiment of the present application provides a door sealing material...

Claims

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Application Information

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IPC IPC(8): C08L91/06C08L53/02C08L23/14C08L71/12C08K3/26C08K9/12C08K3/32C08K3/08C08K9/06
CPCC08L91/06C08K2003/265C08K2003/328C08K2003/0806C08L2201/08C08L53/025C08L23/14C08L71/12C08K3/26C08K9/12C08K3/32C08K3/08C08K9/06
Inventor 周之运李晓明刘玉春段瑞琪
Owner HISENSE(SHANDONG)REFRIGERATOR CO LTD
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