CN109017499B - Support buckle for inner container of automobile cup holder - Google Patents
Support buckle for inner container of automobile cup holder Download PDFInfo
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- CN109017499B CN109017499B CN201810710109.2A CN201810710109A CN109017499B CN 109017499 B CN109017499 B CN 109017499B CN 201810710109 A CN201810710109 A CN 201810710109A CN 109017499 B CN109017499 B CN 109017499B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/10—Arrangements or adaptations of other passenger fittings, not otherwise provided for of receptacles for food or beverages, e.g. refrigerated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C45/1618—The materials being injected at different moulding stations using an auxiliary treatment station, e.g. for cooling or ejecting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- Polymers & Plastics (AREA)
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of automobile accessories, and relates to a supporting buckle for an inner container of an automobile cup holder and a preparation method of the supporting buckle. The preparation method comprises the following steps: injecting a nylon material by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 10-60min, taking out, and drying to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard rubber in a second injection mold, and injecting a thermoplastic elastomer material on the surface of the hard rubber to obtain the liner support buckle.
Description
Technical Field
The invention belongs to the technical field of automobile accessories and relates to a supporting buckle for an inner container of an automobile cup holder.
Background
The thermoplastic elastomer TPE material has the characteristics of high elasticity, high strength and high resilience of rubber at normal temperature, can be processed by injection molding, is environment-friendly, nontoxic and safe, has wide hardness range, soft touch, weather resistance, fatigue resistance and temperature resistance, has excellent processing performance, does not need to be vulcanized, and can be recycled to reduce the cost. It can be separately injection molded, and can be firmly coated on various general plastics and engineering plastic materials such as PA, PP, PE, PS, PC, ABS and the like through secondary injection molding. With the wide application of general plastics and engineering plastics in the automobile industry, although the plastics can meet the use purposes of various products, the direct use of the plastics in some applications is limited due to the rigid hand feeling and the smooth surface of the plastics. The thermoplastic elastomer TPE material has good elastic hand feeling and excellent anti-skid and shock-absorbing effects, and can be coated on the surfaces of various thermoplastic plastics by secondary injection molding without using any binder, so that the thermoplastic elastomer TPE material is widely applied to secondary injection molding coating.
Among many thermoplastics, the thermoplastic elastomer TPE has been studied to coat PP, PC, ABS, etc., and the coating is relatively easy. The prior documents show that the adhesion between the TPE and the nylon material is improved by adding polar graft polymers into the TPE, and the adhesion can also be improved by adding general nylon polymers such as nylon 6, nylon 66 and the like, for the former, the improvement of the adhesion is limited, for the latter, the tearing strength is improved to a certain extent after adding the general nylon polymers (such as nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 1010 and the like) but the further improvement is very difficult, and the addition amount of the general nylon polymers is high, so that the thermoplastic elastomer is subjected to secondary injection molding processing, the temperature needs to be increased, thereby increasing energy consumption.
Disclosure of Invention
The invention provides an automobile cup holder liner support buckle and a preparation method thereof, aiming at the defect that the adhesion of thermoplastic elastomer TPE (thermoplastic elastomer) coated nylon is not strong at present.
In order to achieve the above object of the present invention, the following technical solutions are adopted: the inner container support buckle comprises hard glue and soft glue coated on the surface of the hard glue, wherein the hard glue is made of a nylon material, and the soft glue is made of a thermoplastic elastomer material.
In order to achieve the above object of the present invention, the following technical solutions are adopted: a preparation method of an inner container support buckle of an automobile cup holder comprises the following steps: injecting a nylon material by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 10-60min, taking out, and drying to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard rubber in a second injection mold, and injecting a thermoplastic elastomer material on the surface of the hard rubber to obtain the liner support buckle.
Preferably, the modified polyphenylene ether solution is formed by dissolving modified polyphenylene ether in aromatic hydrocarbon or chlorinated hydrocarbon solution, and the mass fraction of the modified polyphenylene ether solution is 10-30%.
Preferably, the preparation method of the modified polyphenylene ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in aromatic hydrocarbon or chlorinated hydrocarbon solution, adding an initiator, reacting for 5-10h at 40-70 ℃, vacuum concentrating, adding methanol into the concentrated solution, separating out a precipitate, filtering, washing the stationary object with methanol for 3-5 times, and drying to obtain the modified polyphenyl ether.
Preferably, the mass ratio of the polyphenylene ether to the 1, 2-propylene glycol to the initiator is 100: (5-20): (1-5).
Preferably, the initiator is one or more of azobisisobutyronitrile, azobisisoheptonitrile, dimethyl azobisisobutyrate, benzoyl peroxide tert-butyl peroxide and methyl ethyl ketone peroxide.
Preferably, the thermoplastic elastomer material is a thermoplastic elastomer or a composition containing a thermoplastic elastomer, and the thermoplastic elastomer is one or two of hydrogenated styrene-butadiene block copolymer (SEBS) and hydrogenated isoprene-styrene block copolymer (SEPS).
Preferably, the nylon material is nylon resin or a composition containing nylon resin, and the nylon resin is one or more of nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 1010, nylon 56, nylon 510, nylon 512 and nylon 514.
Preferably, the second injection mold is placed at the temperature of 100-130 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 0.5-3 ℃/min, and the mold is opened for sampling.
According to the invention, the modified polyphenyl ether substance is formed on the surface of the hard rubber, and during secondary injection molding, the hydroxyl of the modified polyphenyl ether is distributed towards the nylon material, and the alkyl is distributed towards the thermoplastic elastomer material, so that the interface bonding force between the thermoplastic elastomer material and the nylon material is improved, and in addition, the good adhesion of the soft rubber and the hard rubber is further achieved by combining the slow cooling of the second injection mold. The inner container support buckle provided by the invention is coated with the hard glue by the soft glue, so that the inner container support buckle is endowed with good elasticity and wear resistance.
Drawings
FIG. 1 is a stiff glue formed of a nylon material;
FIG. 2 illustrates a soft gel formed of a thermoplastic elastomer material;
fig. 3 is a bracket buckle of the inner container of the cup holder formed by assembling hard glue and soft glue.
Detailed Description
The technical solution of the present invention is further described below by means of specific embodiments and accompanying drawings. The raw materials used in the examples of the present invention are those commonly used in the art, and the methods used in the examples are those conventional in the art, unless otherwise specified.
The liner support buckle comprises hard glue and soft glue coated on the surface of the hard glue, wherein the hard glue is made of a nylon material, and the soft glue is made of a thermoplastic elastomer material. Fig. 1-3 are diagrams showing an example of the liner holder buckle of the present invention, and fig. 1 is a hard glue made of nylon material and used as a rigid skeleton of the liner holder buckle; figure 2 is the flexible glue that the thermoplastic elastomer material formed, and the cladding of flexible glue is formed in ebonite partial surface as shown in figure 3, gives the inner bag and holds in the palm the elastic feel of knot and good antiskid and vibration/noise reduction to prevent that the car from going in-process drinking cup and rocking in the glass stand, produce the noise, and alleviate the impact of drinking cup to the glass stand, protect the drinking cup.
The invention discloses a preparation method of a liner support buckle of an automobile cup holder, which comprises the following steps: injecting a nylon material by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 10-60min, taking out, and drying to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard rubber in a second injection mold, and injecting a thermoplastic elastomer material on the surface of the hard rubber to obtain the liner support buckle. Wherein the mass fraction of the modified polyphenyl ether solution is 10-30%, and the preparation method of the modified polyphenyl ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in aromatic hydrocarbon or chlorinated hydrocarbon solution, adding an initiator, reacting for 5-10h at 40-70 ℃, vacuum concentrating, adding methanol into the concentrated solution, separating out a precipitate, filtering, washing the stationary object with methanol for 3-5 times, and drying to obtain the modified polyphenyl ether.
The hydroxyl functional group is introduced to the branched chain of the benzene ring of the polyphenyl ether through 1, 2-propylene glycol modified polyphenyl ether, so that the benzene ring of the modified polyphenyl ether contains alkyl and hydroxyl, the ebonite is placed in a modified polyphenyl ether solution for 10-60min, the modified polyphenyl ether is adhered to the surface of the ebonite, and during secondary injection molding, the hydroxyl of the modified polyphenyl ether is distributed towards the nylon material, and the alkyl is distributed towards the thermoplastic elastomer material, so that the interface bonding force between the thermoplastic elastomer material and the nylon material is improved, and the adhesion of the thermoplastic elastomer material and the nylon material is improved.
The mass ratio of the polyphenyl ether to the 1, 2-propylene glycol to the initiator is 100: (5-20): (1-5). To ensure that the 1, 2-propanediol is grafted onto the polyphenylene ether in the appropriate amount.
The thermoplastic elastomer material forming the soft rubber is a thermoplastic elastomer or a composition containing the thermoplastic elastomer, and the thermoplastic elastomer is one or two of hydrogenated styrene-butadiene block copolymer (SEBS) and hydrogenated isoprene-styrene block copolymer (SEPS).
The nylon material forming the hard glue is a nylon resin or a composition comprising a nylon resin which is one or more of nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 1010, nylon 56, nylon 510, nylon 512, nylon 514.
The composition can also comprise a reinforcing agent, an antioxidant, a lubricant and a flame retardant besides the main component of the thermoplastic elastomer or the nylon resin. The reinforcing agent can be calcium carbonate, talcum powder, kaolin, glass fiber, carbon fiber, silicon dioxide and other components capable of improving the strength of the material, for example, the glass fiber is added into nylon 6 to improve the strength and the wear resistance of the ebonite. The antioxidant performance of the liner retainer can be improved by adding an antioxidant, so that the service life of the liner retainer is prolonged, the type of the antioxidant is well known to those skilled in the art, and for example, the antioxidant can be one or a combination of hindered phenol antioxidants and phosphite antioxidants, wherein the hindered phenol antioxidants comprise at least one of 1010, 736, 264, 1098 and 300, and the phosphite antioxidants comprise at least one of 168, P-EPQ, 618 and 626. The lubricant can be stearic acid, calcium stearate, zinc stearate, polyethylene wax, magnesium stearate, silane polymer, solid paraffin, liquid paraffin, fatty acid salt, stearic acid amide and the like, and improves the processing performance of the material. The liner support buckle is used as an automobile part, generally needs to have good flame retardance, can be added with a flame retardant, and can be a solid flame retardant conventionally used in the field, preferably antimony trioxide, aluminum hydroxide, magnesium hydroxide, melamine, biurea, decabromodiphenyl ether, zinc borate, ammonium polyphosphate, 70% chlorinated paraffin or a combination thereof.
When the nylon material is injected, the temperature of the injection cylinder is divided into five sections, namely a first section at 250-. The injection pressure is 70bar, the injection speed is 10-15mm/s, the injection mold temperature is 40-80 ℃, and then the pressure is maintained for 2-5min under 75 bar. The nylon material was dried at 120 ℃ for 4 hours prior to injection molding.
When the thermoplastic elastomer material is injected, the temperature of the injection cylinder is divided into six sections, namely a first section of 220-. The injection pressure was 70bar and the injection speed was 30-38 mm/s. The injection mold is placed at 100 ℃ and 130 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 0.5-3 ℃/min, and the mold is opened for sampling. The thermoplastic elastomer material was dried at 80 ℃ for 4 hours prior to injection molding.
The temperature of the injection mold of the thermoplastic elastomer material is higher than that of a common injection mold, the modified polyphenyl ether adhered to the surface of the hard glue is in a softening state by a hot mold, and after the injection molding is finished, the modified polyphenyl ether firmly adheres the soft glue to the surface of the hard glue in the process of slow cooling.
Example 1
The preparation method of the liner support buckle in the embodiment comprises the following steps: carrying out injection molding on nylon 6 by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 40min, taking out, and drying in vacuum to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard glue into a second injection mold, and performing injection molding on the surface of the hard glue with SEBS (styrene-ethylene-butadiene-styrene) to obtain the liner support buckle. The modified polyphenylene ether solution is formed by dissolving modified polyphenylene ether in dichloromethane, and the mass fraction of the modified polyphenylene ether solution is 20%. The preparation method of the modified polyphenylene ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in dichloromethane, adding an azobisisobutyronitrile initiator, reacting for 8h at 60 ℃, vacuum concentrating, adding methanol into concentrated solution, precipitating, filtering, washing fixed objects with methanol for 3 times, and drying to obtain the modified polyphenyl ether. Wherein the mass ratio of the polyphenyl ether to the 1, 2-propylene glycol to the azobisisobutyronitrile initiator is 100: 15: 3.
when nylon 6 is injected, the temperature of the injection molding charging barrel is divided into five sections, namely a first section of 260 ℃, a second section of 270 ℃, a third section of 260 ℃, a fourth section of 255 ℃ and a fifth section of 245 ℃. The injection pressure is 70bar, the injection speed is 15mm/s, the injection mold temperature is 60 ℃, and then the pressure is maintained for 3min at 75 bar. The nylon material was dried at 120 ℃ for 4 hours prior to injection molding.
When the SEBS is used for injection molding, the temperature of an injection molding material cylinder is divided into six sections, namely a first section 230 ℃, a second section 235 ℃, a third section 225 ℃, a fourth section 215 ℃, a fifth section 205 ℃ and a sixth section 220 ℃. The injection pressure was 70bar and the injection speed was 35 mm/s. The injection mold is placed at 120 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to room temperature at the speed of 1 ℃/min, and the mold is opened for sampling. SEBS was dried at 80 ℃ for 4 hours prior to injection molding.
Example 2
This example is different from example 1 in that the modified polyphenylene ether solution of this example has a mass fraction of 50%, and the rest is the same as example 1 and is not described herein.
Example 3
This example is different from example 1 in that the modified polyphenylene ether solution of this example has a mass fraction of 5%, and the rest is the same as example 1 and is not described herein.
Example 4
This example is different from example 1 in that in the modified polyphenylene ether production method of this example, the mass ratio of polyphenylene ether, 1, 2-propanediol, and azobisisobutyronitrile initiator was 100: 2: the rest is the same as example 1 and is not described herein.
Example 5
This example is different from example 1 in that in the modified polyphenylene ether production method of this example, the mass ratio of polyphenylene ether, 1, 2-propanediol, and azobisisobutyronitrile initiator was 100: 25: the rest is the same as example 1 and is not described herein.
Example 6
The preparation method of the liner support buckle in the embodiment comprises the following steps: carrying out injection molding on nylon 6 by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 20min, taking out, and drying in vacuum to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard glue into a second injection mold, and performing injection molding on the surface of the hard glue with SEBS (styrene-ethylene-butadiene-styrene) to obtain the liner support buckle. The modified polyphenylene ether solution is formed by dissolving modified polyphenylene ether in dichloromethane, and the mass fraction of the modified polyphenylene ether solution is 30%. The preparation method of the modified polyphenylene ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in dichloromethane, adding an azobisisobutyronitrile initiator, reacting for 9h at 50 ℃, vacuum concentrating, adding methanol into concentrated solution, precipitating, filtering, washing fixed objects with methanol for 3 times, and drying to obtain the modified polyphenyl ether. Wherein the mass ratio of the polyphenyl ether to the 1, 2-propylene glycol to the azobisisobutyronitrile initiator is 100: 10: 2.
when nylon 6 is injected, the temperature of the injection molding barrel is divided into five sections, namely a first section of 255 ℃, a second section of 265 ℃, a third section of 255 ℃, a fourth section of 250 ℃ and a fifth section of 240 ℃. The injection pressure was 70bar, the injection speed was 12mm/s, the injection mold temperature was 50 ℃, and then the pressure was maintained at 75bar for 3 min. The nylon material was dried at 120 ℃ for 4 hours prior to injection molding.
When SEBS is used for injection molding, the temperature of an injection molding material cylinder is divided into six sections, namely a first section 220 ℃, a second section 230 ℃, a third section 220 ℃, a fourth section 210 ℃, a fifth section 200 ℃ and a sixth section 210 ℃. The injection pressure was 70bar and the injection speed was 30 mm/s. The injection mold is placed at 130 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to room temperature at the speed of 1.2 ℃/min, and the mold is opened for sampling. SEBS was dried at 80 ℃ for 4 hours prior to injection molding.
Example 7
The preparation method of the liner support buckle in the embodiment comprises the following steps: performing injection molding on a nylon material by adopting a first injection mold to obtain a hard glue, wherein the nylon material is nylon 66 added with 15% of glass fiber, 1% of antioxidant 1010 and 0.5% of stearic acid; placing the hard glue in a modified polyphenyl ether solution, standing for 40min, taking out, and drying in vacuum to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard rubber in a second injection mold, and injecting a thermoplastic elastomer material on the surface of the hard rubber to obtain the liner support buckle, wherein the thermoplastic elastomer material is SEPS added with 10% of calcium carbonate, 1% of antioxidant 168 and 2% of aluminum hydroxide. The modified polyphenylene ether solution is formed by dissolving modified polyphenylene ether in dichloromethane, and the mass fraction of the modified polyphenylene ether solution is 15%. The preparation method of the modified polyphenylene ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in dichloromethane, adding an azobisisobutyronitrile initiator, reacting for 6h at 70 ℃, vacuum concentrating, adding methanol into concentrated solution, precipitating, filtering, washing fixed objects with methanol for 3 times, and drying to obtain the modified polyphenyl ether. Wherein the mass ratio of the polyphenyl ether to the 1, 2-propylene glycol to the azobisisobutyronitrile initiator is 100: 18: 4.
when the nylon material is injected, the temperature of the injection molding barrel is divided into five sections, namely a first section of 260 ℃, a second section of 265 ℃, a third section of 255 ℃, a fourth section of 250 ℃ and a fifth section of 240 ℃. The injection pressure was 70bar, the injection speed was 12mm/s, the injection mold temperature was 50 ℃, and then the pressure was maintained at 75bar for 4 min. The nylon material was dried at 120 ℃ for 4 hours prior to injection molding.
When the thermoplastic elastomer material is injected, the temperature of the injection molding material cylinder is divided into six sections, namely a first section 225 ℃, a second section 230 ℃, a third section 220 ℃, a fourth section 210 ℃, a fifth section 200 ℃ and a sixth section 210 ℃. The injection pressure was 70bar and the injection speed was 38 mm/s. The injection mold is placed at 110 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 0.5 ℃/min, and the mold is opened for sampling. The thermoplastic elastomer material was dried at 80 ℃ for 4 hours prior to injection molding.
Example 8
The preparation method of the liner support buckle in the embodiment comprises the following steps: performing injection molding on a nylon material by using a first injection mold to obtain a hard glue, wherein the nylon material is nylon 610 added with 20% of glass fiber, 0.5% of antioxidant 168 and 0.8% of magnesium stearate; placing the hard glue in a modified polyphenyl ether solution, standing for 60min, taking out, and drying in vacuum to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated ebonite into a second injection mold, and injecting a thermoplastic elastomer material on the surface of the ebonite to obtain the liner support buckle, wherein the thermoplastic elastomer material is SEPS added with 15% of carbon fiber, 0.8% of antioxidant 618 and 1.5% of antimony trioxide. The modified polyphenyl ether solution is formed by dissolving modified polyphenyl ether in dichloromethane, and the mass fraction of the modified polyphenyl ether solution is 10%. The preparation method of the modified polyphenylene ether comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in dichloromethane, adding an azobisisobutyronitrile initiator, reacting for 10h at 50 ℃, vacuum concentrating, adding methanol into concentrated solution, precipitating, filtering, washing fixed objects with methanol for 3 times, and drying to obtain the modified polyphenyl ether. Wherein the mass ratio of the polyphenyl ether to the 1, 2-propylene glycol to the azobisisobutyronitrile initiator is 100: 20: 4.
when the nylon material is injected, the temperature of the injection molding material cylinder is divided into five sections, namely a first section of 265 ℃, a second section of 260 ℃, a third section of 250 ℃, a fourth section of 240 ℃ and a fifth section of 230 ℃. The injection pressure was 70bar, the injection speed was 10mm/s, the injection mold temperature was 50 ℃, and then the pressure was maintained at 75bar for 3 min. The nylon material was dried at 120 ℃ for 4 hours prior to injection molding.
When the thermoplastic elastomer material is injected, the temperature of the injection molding material cylinder is divided into six sections, namely a first section 220 ℃, a second section 235 ℃, a third section 220 ℃, a fourth section 215 ℃, a fifth section 205 ℃ and a sixth section 215 ℃. The injection pressure was 70bar and the injection speed was 35 mm/s. The injection mold is placed at 125 ℃ for injection molding, after the injection molding is finished, the temperature is reduced to room temperature at the speed of 1.3 ℃/min, and the mold is opened for sampling. The thermoplastic elastomer material was dried at 80 ℃ for 4 hours prior to injection molding.
Comparative example 1
Comparative example 1 is different from example 1 in that the modified polyphenylene ether is not added in the method of manufacturing the bladder holder of comparative example 1, and the other steps are the same as example 1.
Comparative example 2
The difference between the comparative example 2 and the example 1 is that the preparation method of the liner holder of the comparative example 2 is the same as that of the example 1 except that common non-modified polyphenyl ether is added.
Comparative example 3
Comparative example 3 is different from example 1 in that in the preparation method of the modified polyphenylene ether of comparative example 3, polyphenylene ether, 1, 2-propanediol and azobisisobutyronitrile initiator are reacted at 30 ℃ for 3 hours, which is otherwise the same as example 1 and is not described herein.
Comparative example 4
Comparative example 4 is different from example 1 in that in the preparation method of the modified polyphenylene ether of comparative example 4, polyphenylene ether, 1, 2-propanediol and azobisisobutyronitrile initiator are reacted at 80 ℃ for 12 hours, which is otherwise the same as example 1 and is not described herein.
Comparative example 5
The difference between the comparative example 5 and the example 1 is that in the preparation method of the liner support button of the comparative example 5, the second injection mold is placed at 80 ℃ for injection molding, and after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 1 ℃/min, and the rest is the same as the example 1.
Comparative example 6
The difference between the comparative example 6 and the example 1 is that in the preparation method of the liner support buckle of the comparative example 6, the second injection mold is placed at 120 ℃ for injection molding, and after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 5 ℃/min, and the rest is the same as that of the example 1.
Comparative example 7
The difference between the comparative example 7 and the example 1 is that in the preparation method of the liner support buckle of the comparative example 7, the second injection mold is placed at 80 ℃ for injection molding, and after the injection molding is finished, the temperature is reduced to the room temperature at the speed of 5 ℃/min, and the rest is the same as that of the example 1.
The performance of the inner container holders obtained in examples 1 to 8 and comparative examples 1 to 7 was measured, and the results are shown in Table 1.
TABLE 1 liner holder buckle Performance parameters prepared in examples 1-8 and comparative examples 1-7
As can be seen from table 1, before the second injection molding, the modified polyphenylene ether was adhered to the hard glue, and further, the technical means of high-temperature injection molding and slow cooling was adopted during the second injection molding, so that the adhesion between the soft glue and the hard glue could be greatly improved.
In addition, the technical scope of the invention is not exhaustive, and new technical solutions formed by equivalent replacement of single or multiple technical features in the embodiment technical solutions are also within the scope of the invention; meanwhile, in all the embodiments of the invention, which are listed or not listed, each parameter in the same embodiment only represents one example of the technical scheme.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The liner support buckle of the automobile cup holder is characterized by comprising hard glue and soft glue coated on the surface of the hard glue, wherein the hard glue is made of a nylon material, and the soft glue is made of a thermoplastic elastomer material;
the preparation method of the liner support buckle comprises the following steps:
injecting a nylon material by adopting a first injection mold to obtain hard glue; placing the hard glue in a modified polyphenyl ether solution, standing for 10-60min, taking out, and drying to obtain the hard glue treated by the modified polyphenyl ether; and placing the treated hard rubber in a second injection mold, and injecting a thermoplastic elastomer material on the surface of the hard rubber to obtain the liner support buckle.
2. The liner holder buckle as claimed in claim 1, wherein the modified polyphenylene ether solution is formed by dissolving modified polyphenylene ether in aromatic hydrocarbon or chlorinated hydrocarbon solution, and the mass fraction of the modified polyphenylene ether solution is 10-30%.
3. The liner support buckle as claimed in claim 1 or 2, wherein the preparation method of the modified polyphenylene oxide comprises the following steps: mixing polyphenyl ether and 1, 2-propylene glycol in aromatic hydrocarbon or chlorinated hydrocarbon solution, adding an initiator, reacting for 5-10h at 40-70 ℃, vacuum concentrating, adding methanol into the concentrated solution, separating out a precipitate, filtering, washing the stationary object with methanol for 3-5 times, and drying to obtain the modified polyphenyl ether.
4. The liner bracket button as claimed in claim 3, wherein the mass ratio of the polyphenylene oxide, the 1, 2-propylene glycol and the initiator is 100: (5-20): (1-5).
5. The liner bracket according to claim 3, wherein the initiator is one or more of azobisisobutyronitrile, azobisisoheptonitrile, dimethyl azobisisobutyrate, benzoyl peroxide t-butyl peroxide, methyl ethyl ketone peroxide.
6. The bladder receptacle fastener according to claim 1, wherein the thermoplastic elastomer material is a thermoplastic elastomer or a composition comprising a thermoplastic elastomer, and the thermoplastic elastomer is one or both of a hydrogenated styrene-butadiene block copolymer and a hydrogenated isoprene-styrene block copolymer.
7. The liner bracket fastener according to claim 1, wherein the nylon material is nylon resin or a composition containing nylon resin, and the nylon resin is one or more of nylon 6, nylon 66, nylon 11, nylon 12, nylon 610, nylon 612, nylon 1010, nylon 56, nylon 510, nylon 512, and nylon 514.
8. The liner bracket buckle as claimed in claim 1, wherein the second injection mold is placed at 100 ℃ and 130 ℃ for injection molding, after the injection molding is completed, the temperature is reduced to room temperature at a speed of 0.5-3 ℃/min, and the mold is opened for sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710109.2A CN109017499B (en) | 2018-07-02 | 2018-07-02 | Support buckle for inner container of automobile cup holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710109.2A CN109017499B (en) | 2018-07-02 | 2018-07-02 | Support buckle for inner container of automobile cup holder |
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| Publication Number | Publication Date |
|---|---|
| CN109017499A CN109017499A (en) | 2018-12-18 |
| CN109017499B true CN109017499B (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810710109.2A Active CN109017499B (en) | 2018-07-02 | 2018-07-02 | Support buckle for inner container of automobile cup holder |
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| JP2012071777A (en) * | 2010-09-29 | 2012-04-12 | Nippon Plast Co Ltd | Cover device and storage device |
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| CN107099153A (en) * | 2017-05-03 | 2017-08-29 | 东莞市毅锦实业有限公司 | A kind of TPE composites for coating and bonding PET |
| CN207416739U (en) * | 2017-11-14 | 2018-05-29 | 中国第一汽车股份有限公司 | A kind of front bumper check apron |
| CN108165026A (en) * | 2017-12-28 | 2018-06-15 | 聚威工程塑料(上海)有限公司 | Encapsulated composite thermoplastic elastic material is bonded for PC/PBT alloys |
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| JP2006007838A (en) * | 2004-06-22 | 2006-01-12 | Inoac Corp | Vessel holder |
| JP2012071777A (en) * | 2010-09-29 | 2012-04-12 | Nippon Plast Co Ltd | Cover device and storage device |
| DE102012108844A1 (en) * | 2012-09-20 | 2014-03-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Holder for beverage container, has open top container box and holding element is coupled with guide, where guide is pivotally connected to holder at end portion and is pivotally coupled to holding element at another end portion |
| CN205256109U (en) * | 2015-12-03 | 2016-05-25 | 上海达优塑模有限公司 | Adopt saucer of rubber coating structure to roll up curtain |
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| CN207416739U (en) * | 2017-11-14 | 2018-05-29 | 中国第一汽车股份有限公司 | A kind of front bumper check apron |
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| CN109017499A (en) | 2018-12-18 |
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