CN114369318A - Sealing strip sizing material for door bottom end and sealing strip thereof - Google Patents
Sealing strip sizing material for door bottom end and sealing strip thereof Download PDFInfo
- Publication number
- CN114369318A CN114369318A CN202210009033.7A CN202210009033A CN114369318A CN 114369318 A CN114369318 A CN 114369318A CN 202210009033 A CN202210009033 A CN 202210009033A CN 114369318 A CN114369318 A CN 114369318A
- Authority
- CN
- China
- Prior art keywords
- parts
- sealing strip
- strip
- bottom end
- door bottom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000004513 sizing Methods 0.000 title claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 48
- 229920001971 elastomer Polymers 0.000 claims abstract description 32
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 23
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 19
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 19
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 19
- 230000002745 absorbent Effects 0.000 claims abstract description 19
- 239000002250 absorbent Substances 0.000 claims abstract description 19
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- 239000000806 elastomer Substances 0.000 claims abstract description 19
- 239000004088 foaming agent Substances 0.000 claims abstract description 19
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 19
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004014 plasticizer Substances 0.000 claims abstract description 19
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 19
- 239000008117 stearic acid Substances 0.000 claims abstract description 19
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007670 refining Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 6
- 239000003963 antioxidant agent Substances 0.000 claims 4
- 230000003078 antioxidant effect Effects 0.000 claims 4
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a door bottom sealing strip sizing material which comprises the following components in parts by weight: 40-60 parts of ethylene propylene diene monomer, 20-30 parts of chloroprene rubber, 25-35 parts of thermoplastic polyurethane elastomer, 0.1-0.5 part of carbon black, 2-6 parts of vulcanizing agent, 8-15 parts of moisture absorbent, 0.2-0.8 part of scorch retarder, 3-6 parts of accelerator, 0.5-1.8 part of anti-aging agent, 5-7 parts of plasticizer, 0.4-1 part of stearic acid and 2-3 parts of foaming agent; the invention also discloses a door bottom sealing strip body which comprises a body structure made of any one of the door bottom sealing strip sizing materials, wherein the sealing strip body is composed of a cross strip, four first ribs, two second ribs and a plurality of clamping strips. The door bottom end sealing strip rubber material prepared by the invention has the advantages of simple process, low production energy consumption and no generation of three wastes; the door bottom sealing strip rubber material prepared by the invention has excellent sealing property, tolerance and compression deformation resistance, and has good market prospect.
Description
Technical Field
The invention relates to the technical field of sealing strips, in particular to a sealing strip sizing material for a door bottom end and a sealing strip thereof.
Background
The sealing strip is used for sealing and plays the product of effects such as shock attenuation, waterproof, give sound insulation, thermal-insulated, dustproof, fixed, and at present according to the requirement of different trades, products such as car sealing strip, mechanical seal strip, door frame sealing strip have appeared in the market, and when the door frame was installed, the door frame sealing strip had played the effect of sealing up the door frame.
Present door frame sealing strip function singleness when the preparation, because the door frame sealing strip is in the open air for a long time, make the door frame sealing strip can be because high temperature, low temperature, the corruption of strong light irradiation and adverse circumstances, and then the door frame sealing strip takes place phenomenons such as deformation and ageing easily, the sealing performance of sealing strip has seriously been influenced, shock-absorbing capacity and life, and then influence the safe handling of door frame, and then at present to having high leakproofness, the demand of high tolerance and high resistance to compression deformation nature sealing strip strengthens day by day, consequently, the material research to high performance sealing strip becomes the development trend in this field, present sealing strip single structure simultaneously, when using simple AND gate bottom laminating, lead to its connectivity relatively poor.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a sealing strip sizing material for a door bottom end and a sealing strip thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 40-60 parts of ethylene propylene diene monomer, 20-30 parts of chloroprene rubber, 25-35 parts of thermoplastic polyurethane elastomer, 0.1-0.5 part of carbon black, 2-6 parts of vulcanizing agent, 8-15 parts of moisture absorbent, 0.2-0.8 part of scorch retarder, 3-6 parts of accelerator, 0.5-1.8 parts of anti-aging agent, 5-7 parts of plasticizer, 0.4-1 part of stearic acid and 2-3 parts of foaming agent.
Preferably, the sealing strip sizing material at the bottom end of the door comprises the following components in parts by weight: 50-60 parts of ethylene propylene diene monomer, 25-30 parts of chloroprene rubber, 30-35 parts of thermoplastic polyurethane elastomer, 0.3-0.5 part of carbon black, 4-6 parts of vulcanizing agent, 12-15 parts of moisture absorbent, 0.5-0.8 part of scorch retarder, 5-6 parts of accelerator, 1.2-1.8 parts of anti-aging agent, 6-7 parts of plasticizer, 0.8-1 part of stearic acid and 2.5-3 parts of foaming agent.
Preferably, the sealing strip sizing material at the bottom end of the door comprises the following components in parts by weight: 50 parts of ethylene propylene diene monomer, 25 parts of chloroprene rubber, 30 parts of thermoplastic polyurethane elastomer, 0.3 part of carbon black, 4 parts of vulcanizing agent, 12 parts of moisture absorbent, 0.5 part of scorch retarder, 5 parts of accelerator, 1.2 parts of anti-aging agent, 6 parts of plasticizer, 0.8 part of stearic acid and 2.5 parts of foaming agent.
Preferably, the production process of the sealing strip sizing material of the bottom end of the door comprises the following steps;
s1, mixing 40-60 parts of ethylene propylene diene monomer, 20-30 parts of chloroprene rubber, 25-35 parts of thermoplastic polyurethane elastomer and 0.1-0.5 part of carbon black for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 2-6 parts of vulcanizing agent, 8-15 parts of moisture absorbent, 0.2-0.8 part of scorch retarder, 3-6 parts of accelerator and 0.5-1.8 part of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 5-7 parts of plasticizer, 0.4-1 part of stearic acid and 2-3 parts of foaming agent into the internal mixer, and continuously refining for 10-13 min to obtain the sealing strip rubber material at the bottom end of the door.
Preferably, the anti-aging agent is one of anti-aging agent D, anti-aging agent RD, anti-aging agent AW and paraffin.
Preferably, the vulcanizing agent comprises the following components in parts by weight: 0.3 to 0.5 portion of vulcanizing agent sulfur, 2.0 to 2.5 portions of vulcanizing agent peroxide.
The utility model provides a sealing strip of door bottom, includes by any of the above-mentioned sealing strip body that the sealing strip sizing material of door bottom made, the sealing strip body comprises horizontal bar, four first ribs, two second ribs and a plurality of card strip, four first rib equipartition fixed connection is at the horizontal bar lower extreme, two second rib equipartition fixed connection is in the horizontal bar upper end, and is a plurality of card strip lateral wall respectively with two second rib both sides fixed connection, the equal fixedly connected with connecting strip of horizontal bar both sides lateral wall, the connecting strip is the Z type form.
Preferably, the lateral wall that the connecting strip is close to the horizontal bar is 30 with the contained angle between the horizontal bar upper surface, the lateral wall that the connecting strip is close to the horizontal bar is 128 with the contained angle between the horizontal bar lower surface, first rib is the arc with horizontal bar lower extreme junction.
Compared with the prior art, the invention has the advantages that:
1: the door bottom end sealing strip rubber material prepared by the invention has the advantages of simple process, low production energy consumption and no generation of three wastes.
2. The door bottom sealing strip rubber material prepared by the invention has excellent sealing property, tolerance and compression deformation resistance, and has good market prospect.
3. Through setting up first rib, second rib and card strip for when installing sealing strip and AND gate bottom, can increase the leakproofness between sealing strip and the AND gate bottom this moment, thereby increase its result of use.
4. Through setting up two connecting strips for after the sealing strip installation, two connecting strips can protect the junction between sealing strip and the bottom door, further increase the connection effect of sealing strip.
Drawings
Fig. 1 is a schematic structural view of a door bottom end seal according to the present invention.
In the figure: 1 horizontal bar, 2 first ribs, 3 second ribs, 4 card strips, 5 connecting strips.
Detailed Description
The technical solution of the present invention is clearly and completely described by a plurality of embodiments.
Example one
The sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 40 parts of ethylene propylene diene monomer, 20 parts of chloroprene rubber, 25 parts of thermoplastic polyurethane elastomer, 0.1 part of carbon black, 2 parts of vulcanizing agent, 8 parts of moisture absorbent, 0.2 part of scorch retarder, 3 parts of accelerator, 0.5 part of anti-aging agent, 5 parts of plasticizer, 0.4 part of stearic acid and 2 parts of foaming agent.
The process flow comprises the following steps:
s1, mixing 40 parts of ethylene propylene diene monomer, 20 parts of chloroprene rubber, 25 parts of thermoplastic polyurethane elastomer and 0.1 part of carbon black according to weight percentage for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 2 parts of vulcanizing agent, 8 parts of moisture absorbent, 0.2 part of scorch retarder, 3 parts of accelerator and 0.5 part of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 5 parts of plasticizer, 0.4 part of stearic acid and 2 parts of foaming agent into the internal mixer, and continuously refining for 10-13 min to obtain the sealing strip rubber material at the bottom end of the door.
Example two
The sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 45 parts of ethylene propylene diene monomer, 23 parts of chloroprene rubber, 27 parts of thermoplastic polyurethane elastomer, 0.2 part of carbon black, 3 parts of vulcanizing agent, 10 parts of moisture absorbent, 0.4 part of scorch retarder, 4 parts of accelerator, 1.0 part of anti-aging agent, 5.5 parts of plasticizer, 0.6 part of stearic acid and 2.2 parts of foaming agent.
The process flow comprises the following steps:
s1, mixing 45 parts of ethylene propylene diene monomer, 23 parts of chloroprene rubber, 27 parts of thermoplastic polyurethane elastomer and 0.2 part of carbon black according to weight percentage for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 3 parts of vulcanizing agent, 20 parts of moisture absorbent, 0.4 part of scorch retarder, 4 parts of accelerator and 1.0 part of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 5.5 parts of plasticizer, 0.6 part of stearic acid and 2.2 parts of foaming agent into the internal mixer, and continuously refining for 10min-13min to obtain the sealing strip rubber material at the bottom end of the door.
EXAMPLE III
The sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 50 parts of ethylene propylene diene monomer, 25 parts of chloroprene rubber, 30 parts of thermoplastic polyurethane elastomer, 0.3 part of carbon black, 4 parts of vulcanizing agent, 12 parts of moisture absorbent, 0.5 part of scorch retarder, 5 parts of accelerator, 1.2 parts of anti-aging agent, 6 parts of plasticizer, 0.8 part of stearic acid and 2.5 parts of foaming agent.
The process flow comprises the following steps:
s1, mixing 50 parts of ethylene propylene diene monomer, 25 parts of chloroprene rubber, 30 parts of thermoplastic polyurethane elastomer and 0.3 part of carbon black for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 4 parts of vulcanizing agent, 12 parts of moisture absorbent, 0.5 part of scorch retarder, 5 parts of accelerator and 1.2 parts of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 6 parts of plasticizer, 0.8 part of stearic acid and 2.5 parts of foaming agent into the internal mixer, and continuously refining for 10min-13min to obtain the sealing strip rubber material at the bottom end of the door.
Example four
The sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 55 parts of ethylene propylene diene monomer, 27 parts of chloroprene rubber, 33 parts of thermoplastic polyurethane elastomer, 0.4 part of carbon black, 5 parts of vulcanizing agent, 14 parts of moisture absorbent, 0.6 part of scorch retarder, 5.5 parts of accelerator, 1.5 parts of anti-aging agent, 6.5 parts of plasticizer, 0.8 part of stearic acid and 2.7 parts of foaming agent.
The process flow comprises the following steps:
s1, mixing 55 parts of ethylene propylene diene monomer, 27 parts of chloroprene rubber, 33 parts of thermoplastic polyurethane elastomer and 0.4 part of carbon black according to weight percentage for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 5 parts of vulcanizing agent, 14 parts of moisture absorbent, 0.6 part of scorch retarder, 5.5 parts of accelerator and 1.5 parts of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 6.5 parts of plasticizer, 0.8 part of stearic acid and 2.7 parts of foaming agent into the internal mixer, and continuously refining for 10min-13min to obtain the sealing strip rubber material at the bottom end of the door.
EXAMPLE five
The sealing strip sizing material for the door bottom end comprises the following components in parts by weight: 60 parts of ethylene propylene diene monomer, 30 parts of chloroprene rubber, 35 parts of thermoplastic polyurethane elastomer, 0.5 part of carbon black, 6 parts of vulcanizing agent, 15 parts of moisture absorbent, 0.8 part of scorch retarder, 6 parts of accelerator, 1.8 parts of anti-aging agent, 7 parts of plasticizer, 1 part of stearic acid and 3 parts of foaming agent.
The process flow comprises the following steps:
s1, mixing 60 parts of ethylene propylene diene monomer, 30 parts of chloroprene rubber, 35 parts of thermoplastic polyurethane elastomer and 0.5 part of carbon black according to weight percentage for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 6 parts of vulcanizing agent, 15 parts of moisture absorbent, 0.8 part of scorch retarder, 6 parts of accelerator and 1.8 parts of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 7 parts of plasticizer, 1 part of stearic acid and 3 parts of foaming agent into the internal mixer, and continuously refining for 10-13 min to obtain the sealing strip rubber material at the bottom end of the door.
In order to test the effect of the sealing strip sizing material at the bottom end of the door prepared by the invention, 500 parts of the sealing strip sizing material produced by the invention and the common sealing strip sizing material on the market are selected as experimental materials and used for detection after being used for one month in the same environment, and the experimental result is as follows;
according to the experimental data, the sealing strip rubber material prepared in the third embodiment has excellent sealing property, tolerance and compression deformation resistance, and has a good market prospect, and then the door bottom sealing strip prepared from the sealing strip rubber material in the third embodiment meets the development of the decorative design and performance requirements of the door frame.
The utility model provides a sealing strip of door bottom, include the sealing strip body of being made by the sealing strip sizing material of the door bottom of any one of the aforesaid, the sealing strip body is by horizontal bar 1, four first ribs 2, two second ribs 3 and a plurality of card strip 4 are constituteed, 2 equipartition fixed connection of four first ribs are at 1 lower extreme of horizontal bar, 3 equipartition fixed connection of two second ribs are in 1 upper end of horizontal bar, 4 lateral walls of a plurality of card strips respectively with 3 both sides fixed connection of two second ribs, the equal fixedly connected with connecting strip 5 of 1 both sides lateral wall of horizontal bar, connecting strip 5 is the Z type form.
The contained angle between the lateral wall that connecting strip 5 is close to horizontal bar 1 and horizontal bar 1 upper surface is 30, and the contained angle between the lateral wall that connecting strip 5 is close to horizontal bar 1 and horizontal bar 1 lower surface is 128, and first rib 2 is the arc form with horizontal bar 1 lower extreme junction.
In the invention, when the sealing strip is used, the second rib 3 and the plurality of clamping strips 4 are inserted into the bottom end of the door, so that the connection firmness of the sealing strip is increased, meanwhile, under the action of the four first ribs 2, the sealing effect of the sealing strip on the bottom end of the door can be increased, and simultaneously, under the action of the two connecting strips 5, after the sealing strip is installed, the two connecting strips 5 can protect the connecting part between the sealing strip and the bottom end of the door, so that the connection effect of the sealing strip is further increased.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The door bottom sealing strip sizing material is characterized by comprising the following components in parts by weight: 40-60 parts of ethylene propylene diene monomer, 20-30 parts of chloroprene rubber, 25-35 parts of thermoplastic polyurethane elastomer, 0.1-0.5 part of carbon black, 2-6 parts of vulcanizing agent, 8-15 parts of moisture absorbent, 0.2-0.8 part of scorch retarder, 3-6 parts of accelerator, 0.5-1.8 parts of anti-aging agent, 5-7 parts of plasticizer, 0.4-1 part of stearic acid and 2-3 parts of foaming agent.
2. The door bottom end weather strip compound according to claim 1, wherein the door bottom end weather strip compound is composed of the following components in parts by weight: 50-60 parts of ethylene propylene diene monomer, 25-30 parts of chloroprene rubber, 30-35 parts of thermoplastic polyurethane elastomer, 0.3-0.5 part of carbon black, 4-6 parts of vulcanizing agent, 12-15 parts of moisture absorbent, 0.5-0.8 part of scorch retarder, 5-6 parts of accelerator, 1.2-1.8 parts of anti-aging agent, 6-7 parts of plasticizer, 0.8-1 part of stearic acid and 2.5-3 parts of foaming agent.
3. The door bottom end weather strip compound according to claim 1, wherein the door bottom end weather strip compound is composed of the following components in parts by weight: 50 parts of ethylene propylene diene monomer, 25 parts of chloroprene rubber, 30 parts of thermoplastic polyurethane elastomer, 0.3 part of carbon black, 4 parts of vulcanizing agent, 12 parts of moisture absorbent, 0.5 part of scorch retarder, 5 parts of accelerator, 1.2 parts of anti-aging agent, 6 parts of plasticizer, 0.8 part of stearic acid and 2.5 parts of foaming agent.
4. The door bottom end weatherstrip composition according to claim 1, wherein said door bottom end weatherstrip composition is produced by a process comprising the steps of;
s1, mixing 40-60 parts of ethylene propylene diene monomer, 20-30 parts of chloroprene rubber, 25-35 parts of thermoplastic polyurethane elastomer and 0.1-0.5 part of carbon black for later use;
s2, putting the mixed raw materials into an internal mixer, and refining at 80-120 ℃ and 0.4-0.5MPa for 1-1.5 min;
s3, continuously adding 2-6 parts of vulcanizing agent, 8-15 parts of moisture absorbent, 0.2-0.8 part of scorch retarder, 3-6 parts of accelerator and 0.5-1.8 part of anti-aging agent into the internal mixer, and continuously refining for 4-5 min;
and S4, continuously adding 5-7 parts of plasticizer, 0.4-1 part of stearic acid and 2-3 parts of foaming agent into the internal mixer, and continuously refining for 10-13 min to obtain the sealing strip rubber material at the bottom end of the door.
5. The door bottom end weather strip compound according to claim 1, wherein the antioxidant is one of antioxidant D, antioxidant RD, antioxidant AW and paraffin wax.
6. The weatherstrip compound for a door bottom according to claim 1, wherein said vulcanizing agent comprises the following components in parts by weight: 0.3 to 0.5 portion of vulcanizing agent sulfur, 2.0 to 2.5 portions of vulcanizing agent peroxide.
7. The sealing strip of door bottom end, its characterized in that includes the sealing strip body of making by the sealing strip sizing material of door bottom end of any of claims 1-6, the sealing strip body comprises horizontal bar (1), four first rib (2), two second rib (3) and a plurality of card strip (4), four first rib (2) equipartition fixed connection is in horizontal bar (1) lower extreme, two second rib (3) equipartition fixed connection is in horizontal bar (1) upper end, and is a plurality of card strip (4) lateral wall respectively with two second rib (3) both sides fixed connection, horizontal bar (1) both sides equal fixedly connected with connecting strip (5), connecting strip (5) are the Z type form.
8. The sealing strip for the bottom end of the door according to claim 7, wherein the included angle between the side wall of the connecting strip (5) close to the horizontal strip (1) and the upper surface of the horizontal strip (1) is 30 degrees, the included angle between the side wall of the connecting strip (5) close to the horizontal strip (1) and the lower surface of the horizontal strip (1) is 128 degrees, and the joint of the first rib (2) and the lower end of the horizontal strip (1) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009033.7A CN114369318A (en) | 2022-01-06 | 2022-01-06 | Sealing strip sizing material for door bottom end and sealing strip thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009033.7A CN114369318A (en) | 2022-01-06 | 2022-01-06 | Sealing strip sizing material for door bottom end and sealing strip thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114369318A true CN114369318A (en) | 2022-04-19 |
Family
ID=81141487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210009033.7A Pending CN114369318A (en) | 2022-01-06 | 2022-01-06 | Sealing strip sizing material for door bottom end and sealing strip thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114369318A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516673A (en) * | 2011-11-30 | 2012-06-27 | 长城汽车股份有限公司 | Car door-window straight-line part gland strip and preparation method |
| CN106700274A (en) * | 2015-08-04 | 2017-05-24 | 太仓冠联高分子材料有限公司 | Rubber for sealing strip of automobile and preparation method of rubber |
| CN106751030A (en) * | 2016-12-20 | 2017-05-31 | 墨宝股份有限公司 | A kind of environment-friendly type plastic rubber slurry of sports field and preparation method thereof |
| CN106905620A (en) * | 2017-03-20 | 2017-06-30 | 河北凯旋密封件有限公司 | Weather strip for automobile sizing material and weather strip for automobile |
| CN108517111A (en) * | 2018-04-18 | 2018-09-11 | 安徽斯瑞尔阀门有限公司 | A kind of composite material and preparation method for valve seal |
-
2022
- 2022-01-06 CN CN202210009033.7A patent/CN114369318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516673A (en) * | 2011-11-30 | 2012-06-27 | 长城汽车股份有限公司 | Car door-window straight-line part gland strip and preparation method |
| CN106700274A (en) * | 2015-08-04 | 2017-05-24 | 太仓冠联高分子材料有限公司 | Rubber for sealing strip of automobile and preparation method of rubber |
| CN106751030A (en) * | 2016-12-20 | 2017-05-31 | 墨宝股份有限公司 | A kind of environment-friendly type plastic rubber slurry of sports field and preparation method thereof |
| CN106905620A (en) * | 2017-03-20 | 2017-06-30 | 河北凯旋密封件有限公司 | Weather strip for automobile sizing material and weather strip for automobile |
| CN108517111A (en) * | 2018-04-18 | 2018-09-11 | 安徽斯瑞尔阀门有限公司 | A kind of composite material and preparation method for valve seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101230248B (en) | Sealing strip using EPDM rubber as host material and production method thereof | |
| CN103131085B (en) | A kind of high tenacity environment-friendly flame-proof polypropylene material and preparation method thereof and application | |
| CN101973445A (en) | Whole-core antiflaming conveyer belt with transition layer and production method thereof | |
| CN105602123A (en) | Mold-pressed sponge sealing rubber strip | |
| CN110903558A (en) | Water-absorbing rubber composite material and preparation method thereof | |
| CN110483858A (en) | A kind of preparation process of oil resistant sealing joint strip rubber composite material | |
| CN102585311B (en) | Fuel resistant rubber material | |
| CN114369318A (en) | Sealing strip sizing material for door bottom end and sealing strip thereof | |
| CN105237919A (en) | Glass window sealing strip for vehicle | |
| CN105175806A (en) | High-temperature resistant and aging resistant rubber sealing strip material for vehicle and preparation method thereof | |
| CN113652031A (en) | Low-compression permanent deformation low-temperature-resistant EPDM (ethylene-propylene-diene monomer) sealing strip as well as preparation method and application thereof | |
| CN209616856U (en) | It is cut outside a kind of sedan door | |
| CN109134986B (en) | Dual-crosslinking self-repairing epoxidized natural rubber and preparation method and application thereof | |
| CN109880241A (en) | A kind of vehicle dormer window seal foaming adhesive tape and preparation method thereof | |
| CN108822418B (en) | Sealing rubber strip for building doors and windows | |
| CN113150470A (en) | Low-density high-extrusion-rate PVC fireproof sealing strip and preparation method thereof | |
| KR101190733B1 (en) | Cellulose powder-filled weather strip composition | |
| CN100398593C (en) | Rubber assembly for booster of automobile brake system | |
| CN108912518B (en) | Ageing-resistant deformation joint strip | |
| CN117586584A (en) | High-foaming low-density ethylene propylene diene monomer rubber sealing strip and preparation method thereof | |
| CN108822419B (en) | Preparation method of high-performance sealing rubber strip for building | |
| CN108794909B (en) | Sealing rubber strip for building curtain wall | |
| CN115232370B (en) | Rubber sealing material for vehicle and preparation method thereof | |
| CN115386174B (en) | High-temperature-resistant watertight seal for automobile skylight and preparation method thereof | |
| CN108912453A (en) | A kind of refrigerator door sealing strip for strengthening heat-proof quality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |