CN112409668B - Plastic window rail and preparation method thereof - Google Patents
Plastic window rail and preparation method thereof Download PDFInfo
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- CN112409668B CN112409668B CN202011127998.3A CN202011127998A CN112409668B CN 112409668 B CN112409668 B CN 112409668B CN 202011127998 A CN202011127998 A CN 202011127998A CN 112409668 B CN112409668 B CN 112409668B
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The application relates to the field of plastics, and in particular discloses a plastic window rail and a preparation method thereof, wherein the plastic window rail is mainly prepared from the following components in parts by weight: polyethylene slice: 80-100 parts; nylon fiber: 20-28 parts of a lubricant; foam ceramic: 10-23 parts of a lubricant; and (3) a lubricant: 2-4 parts; an antioxidant: 0.5-1 part; the nylon fiber is mainly prepared from nylon resin and glass fiber serving as raw materials. The preparation method comprises the following steps: fully mixing polyethylene slices, nylon fibers, foamed ceramics, carbon fibers, nano aluminum oxide, lubricants and antioxidants, carrying out melt extrusion, and cooling to obtain a linear plastic window rail; and heating the linear plastic window rail to 60-85 ℃, bending and shaping to obtain a plastic window rail finished product. The plastic window rail has good rigidity, size and shape stability, and can reduce the probability of deformation of the plastic window rail after bending; in addition, the plastic window rail has the advantage of low noise in the use process.
Description
Technical Field
The present application relates to the field of plastics, and more particularly to a plastic window rail and a method of making the same.
Background
The plastic window rail is a curtain accessory for hanging a curtain so as to open and close the curtain and increase the attractive cloth art of the curtain. The steel pipe is characterized by comprising a plurality of aluminum alloy rods, steel pipe rods, plastic steel rods and the like. Along with the improvement of aesthetic pursuit of people, the design of window rail is also diversified day by day, for example, the arc window rail appears on the market, can make the (window) curtain follow the arc and remove, has higher privacy and aesthetic property.
The arc-shaped window rail is usually made of thermoplastic plastics, and the preparation process comprises the steps of manufacturing the thermoplastic plastics into a linear window rail through an extrusion process, cooling, solidifying and forming, softening the linear window rail through a heating mode, recovering the plasticity of the linear window rail, and processing the linear plastic window rail into the arc-shaped plastic window rail through bending equipment.
In the related art, due to the fact that the rigidity of the plastic window rail is poor, the deformation resistance of the plastic window rail is poor, and the arc-shaped plastic window rail is easy to deform under the action of gravity of a curtain, so that the attractiveness and the usability of the plastic window rail are affected.
Content of the application
In order to solve the problems that in the related art, a plastic window rail is easy to deform and influence the attractiveness and the usability of the plastic window rail, the application provides a plastic window rail and a preparation method thereof.
In a first aspect, the present application provides a plastic window rail, which adopts the following technical scheme:
a plastic window rail comprises the following components in parts by weight:
polyethylene slice: 80-100 parts;
nylon fiber: 20-28 parts of a lubricant;
foam ceramic: 10-23 parts of a lubricant;
and (3) a lubricant: 2-4 parts;
an antioxidant: 0.5-1 part;
the nylon fiber is mainly prepared from nylon resin and glass fiber serving as raw materials.
By adopting the technical scheme, the deformation resistance of the plastic window rail is improved due to the fact that nylon fibers are matched with the foamed ceramics. Under the combined action of nylon fiber and foamed ceramic, the bending modulus and bending strength of the plastic window rail are enhanced, and the rigidity is improved, so that the deformation resistance of the plastic window rail is improved. The foamed ceramic can improve the heat conduction capability of the plastic window rail, the temperature of the polyethylene matrix is more uniform, the deformation caused by temperature stress is reduced, and the size and shape stability of the plastic window rail are improved.
Preferably, the components of the plastic window rail further comprise 4-5 parts by weight of carbon fibers.
By adopting the technical scheme, the carbon fiber and the foamed ceramic are matched together, so that the heat conduction capacity of the plastic window rail is obviously improved while the rigidity of the plastic is improved, and the deformation resistance of the window rail is improved. In addition, the foamed ceramic contains a large number of micropore structures, has the effects of silencing and reducing noise, and reduces noise generated by friction between the pulley and the plastic window rail in the use process.
Preferably, the components of the plastic window rail further comprise 6-10 parts by weight of nano aluminum oxide.
By adopting the technical scheme, the nano aluminum oxide has good filling performance and high heat conductivity coefficient, the rigidity heat conduction capacity of the polyethylene matrix can be obviously improved, and the temperature stress of each part of the polyethylene matrix is reduced, so that the deformation resistance of the plastic window rail is improved.
Preferably, the raw materials of the nylon fiber also comprise maleic anhydride grafted polyethylene, and the weight ratio of the nylon resin to the glass fiber to the maleic anhydride grafted poly-sense alkene is (12-15): 2-5): 5-8.
By adopting the technical scheme, the glass fibers are distributed in the nylon resin, so that the glass fibers play a supporting role and a reinforcing role, the rigidity of the plastic window rail is improved, and the deformation resistance of the plastic window rail is reduced. The maleic anhydride grafted polyethylene can improve the compatibility of polyethylene and nylon resin, so that nylon fibers are stably and uniformly dispersed into a polyethylene system, and form a net structure in the polyethylene body, so that the stress is better transferred, the bending performance of the polyethylene is improved, and the deformation resistance of the plastic window rail is improved.
Preferably, the nylon fiber is prepared according to the following steps: and (3) melting and extruding nylon resin, glass fiber and maleic anhydride to obtain the nylon fiber.
By adopting the technical scheme, the glass fiber and the maleic anhydride grafted polyethylene are fully mixed in a melt extrusion mode, the glass fiber is used as a framework of the nylon fiber, the reinforcing effect is achieved, the rigidity of the nylon fiber is improved, the compatibility of the nylon fiber and a polyethylene matrix can be improved by the maleic anhydride grafted polyethylene, and the dispersibility of the Gao Nilong fiber is improved, so that the deformation resistance of the plastic window rail is improved.
Preferably, the lubricant comprises at least one of silicone powder, ethoxylated octadecylamine and sodium dodecyl sulfonate.
By adopting the technical scheme, the silicone powder not only has good external lubrication effect, but also can improve the lubricity of the surface of the plastic window rail and reduce the friction resistance generated during pulley pulling. Meanwhile, the silicone powder can also improve the interface performance between organic matters such as polyethylene and inorganic fillers such as foamed ceramics, and the dispersibility and adhesiveness of the foamed ceramics, nano aluminum oxide and carbon fibers.
The ethoxylated octadecylamine and the sodium dodecyl sulfonate have lubricating effect, and can form a smooth molecular layer on the surface of the plastic window rail, so that the friction resistance between the curtain pulley and the plastic window rail is reduced, and the noise is reduced. And the compatibility of the ethoxylated octadecylamine and the sodium dodecyl sulfonate with polyethylene is poor, so that the polyethylene chain can gradually permeate to the surface of the plastic window rail, and the lubricity of the window rail can be maintained.
Preferably, the weight ratio of the silicone powder, the ethoxylated octadecylamine and the sodium dodecyl sulfonate is (1-2) 1:1.
By adopting the technical scheme, the silicone powder, the ethoxylated octadecylamine and the sodium dodecyl sulfonate are matched together, so that the plastic window rail has long-acting lubricity, and the noise generated by friction between the pulley and the plastic window rail is reduced; meanwhile, the dispersibility of the inorganic filler and the lubricant is improved, so that the rigidity and the lubricity of the plastic window rail are improved.
Preferably, the weight percentage of siloxane in the silicone powder is 30% -40%.
By adopting the technical scheme, the higher the content of siloxane in the silicone powder is, the higher the viscosity is, the dispersion is not easy, and when the content of the siloxane is too high, the lubrication effect of the silicone powder is reduced, so that the dispersion of foamed ceramics, nano alumina and carbon fibers is not facilitated.
In a second aspect, the present application provides a method for preparing a plastic window rail, which adopts the following technical scheme:
a preparation method of a plastic window rail comprises the following steps:
s201: fully mixing polyethylene slices, nylon fibers, foamed ceramics, nano aluminum oxide, carbon fibers, lubricants and antioxidants, carrying out melt extrusion, and cooling to obtain a linear plastic window rail;
s202: and heating the linear plastic window rail to 60-85 ℃, bending, shaping, cooling and cooling to obtain a plastic window rail finished product.
Through adopting above-mentioned technical scheme, the linear type plastic window rail has good plasticity after the heating, can buckle and form certain radian, satisfies customer's use needs.
In summary, the present application has the following beneficial effects:
1. the nylon fiber containing glass fiber and the foamed ceramic are matched together, so that the bending performance and rigidity of the polyethylene can be improved, the stability of the size and shape of the polyethylene can be improved, and the deformation resistance of the plastic window rail can be improved.
2. In the application, the nano aluminum oxide, the carbon fiber and the foam ceramic are preferably adopted as the heat conducting filler, a network structure with a heat conducting effect can be formed in the polyethylene matrix, the rigidity is improved, meanwhile, the temperature difference between the inside and the outside of the polyethylene is reduced, the temperature stress is reduced, and therefore the deformation resistance of the plastic window rail is improved.
3. In the application, silicone powder, ethoxylated octadecylamine and sodium dodecyl sulfonate are adopted as a lubricant, so that a smooth molecular layer can be formed on the surface of the plastic window rail for a long time, and the friction resistance between the pulley and the plastic window rail is reduced, and therefore the silencing and noise reducing effects are obtained.
Detailed Description
The present application is further described in detail by way of examples below.
Examples
Example 1, a plastic window rail, was made according to the following steps:
s201: uniformly mixing nylon resin (nylon-66), maleic anhydride grafted polyethylene and glass fiber, and carrying out melt extrusion by a double-screw extruder to obtain nylon fiber; fully mixing polyethylene slices, nylon fibers, foamed ceramics, carbon fibers, nano aluminum oxide, a lubricant and an antioxidant, melting, extruding for molding, and cooling to prepare a linear plastic window rail;
s202: and heating the linear plastic window rail to 80 ℃, bending and shaping the linear plastic window rail by a bending machine, and cooling to obtain a plastic window rail finished product.
Wherein the polyethylene slice is high density polyethylene MH602 purchased from Shanghai petrochemical industry; nylon fiber was 73G30HSL-BK purchased from dupont; the weight percentage of siloxane in the silicone powder was 30%.
Examples 2-3, a plastic window rail, differ from example 1 in the choice of the components and their corresponding amounts are shown in Table 1.
Table 1 selection of the components of examples 1-3 and their corresponding amounts (% kg)
Example 4, a plastic window rail, differs from example 1 in that the nano-alumina is replaced by an equivalent amount of carbon fibers.
Example 5, a plastic window rail, differs from example 1 in that carbon fibers are replaced with an equivalent amount of nano-alumina.
Example 6, a plastic window rail, differs from example 1 in that the nylon resin is replaced with an equivalent amount of maleic anhydride grafted polyethylene.
Example 7, a plastic window rail, differs from example 1 in that the maleic anhydride grafted polyethylene is replaced with an equivalent amount of nylon resin.
Example 8, a plastic window rail, differs from example 1 in that the glass fibers are replaced by an equivalent amount of maleic anhydride grafted polyethylene.
Example 9, a plastic window rail, differs from example 1 in that the silicone powder is replaced with an equivalent amount of sodium dodecyl sulfate.
Example 10, a plastic window rail, differs from example 1 in that the ethoxylated octadecylamine is replaced with an equivalent amount of sodium dodecyl sulfate.
Example 11, a plastic window rail, differs from example 1 in that the sodium dodecyl sulfate was replaced with an equal amount of silicone powder.
Example 12, a plastic window rail, differs from example 1 in that the sodium dodecyl sulfate and the ethoxylated octadecylamine are replaced with equal amounts of silicone powder.
Example 13, a plastic window rail, differs from example 1 in that the silicone powder has a siloxane content of 40% by weight.
Comparative example
Comparative example 1, a plastic window rail, differs from example 1 in that the plastic window rail does not contain nylon fibers in the raw material.
In step S201, polyethylene slices, foamed ceramics, carbon fibers, nano alumina, a lubricant and an antioxidant are directly and fully mixed, melted, extruded and molded, and cooled to obtain the linear plastic window rail.
Comparative example 2, a plastic window rail, differs from example 1 in that the raw material of the plastic window rail does not contain foamed ceramics.
In step S201, nylon resin (nylon-66), maleic anhydride grafted polyethylene and glass fiber are uniformly mixed, and melt extruded by a twin screw extruder to obtain nylon fiber; and fully mixing the polyethylene slices, nylon fibers, carbon fibers, nano aluminum oxide, a lubricant and an antioxidant, melting, extruding, forming, and cooling to obtain the linear plastic window rail.
Comparative example 3, a plastic window rail, differs from example 1 in that the raw materials of the plastic window rail do not include nylon fibers and foamed ceramics.
In step S201, polyethylene slices, carbon fibers, nano aluminum oxide, a lubricant and an antioxidant are directly and fully mixed, melted, extruded and molded, and cooled to obtain the linear plastic window rail.
Comparative example 4, a plastic window rail, a hole-free flexible balcony bay window curtain rail purchased from the Xiamen He-Chuan electronic commerce Co., ltd.
Performance detection
Test 1: flexural performance measurement test sample of plastic window rail: linear plastic window rails prepared in examples 1-13 and comparative examples 1-3, and comparative example 4.
The test method comprises the following steps: referring to the test method and the detection instrument in GB/T9341-2008, the higher the flexural modulus is, the higher the deformation resistance of the plastic window rail is; the higher the bending strength, the better the workability of the plastic window rail, and the measurement results are shown in table 2.
Test 2: determination of deformation resistance of plastic window rail
Test sample: examples 1-13 and comparative examples 1-4.
The test method comprises the following steps: and (3) taking an arc-shaped plastic window rail, installing and fixing the arc-shaped plastic window rail on a wall, and marking the position of the wall corresponding to the highest point of the curtain as a point A. Then, a curtain is arranged on a pulley in the curtain rail, a mute electric cylinder is arranged at a position 5m away from one end of the curtain rail, and another mute electric cylinder is arranged at a position 5m away from the other end of the curtain rail. The piston rods of the two mute electric cylinders are fixedly connected with the same end of the curtain through the pull rope.
After the curtain is driven by the mute electric cylinders with opposite driving directions to pull back and forth for 5000 times, the highest point of the arc-shaped plastic window rail is marked as a point B, the height difference between the point A and the point B is measured, and the larger the height difference is, the larger the deformation of the window rail is, and the poorer the deformation resistance is.
TABLE 2 measurement results of bending Properties and deformation resistance Properties
Analysis of test results:
(1) As can be seen from the combination of examples 1 to 8 and comparative examples 1 to 4 and Table 2, the plastic window rails obtained in examples 1 to 8 have a high bending modulus, a small difference in height after cooling and solidification, and high deformation resistance. Because the embodiments 1-9 adopt the heat conductive fillers such as foam ceramics, nano aluminum oxide, carbon fiber and the like to be matched with nylon fibers, the nylon fibers containing glass fibers play a role in supporting a framework in a polyethylene matrix, and have certain rigidity and are not easy to deform, so that the plastic window rail has better deformation resistance.
Foam ceramic, nano alumina and carbon fiber are connected in a penetrating way in a polyethylene matrix to form a multi-layer reticular structure, so that the foam ceramic has a better reinforcing effect and the rigidity of the polyethylene matrix is improved; the heat-conducting material also has good heat-conducting effect, reduces the condition of uneven temperature in the polyethylene body, and reduces the probability of deformation of the plastic window rail caused by internal and external temperature stress.
(2) As can be seen in combination with examples 1-3 and examples 4-5 and in combination with Table 2, examples 1-3 have a smaller height difference than examples 4-5, indicating a better resistance to deformation during cooling and solidification. On one hand, the rigidity of the filler is improved by adding the heat-conducting filler, so that the rigidity of a polyethylene matrix can be improved, and the deformation resistance of the plastic window rail is improved; on the other hand, as the three materials have different shapes or sizes, the three materials are dispersed in the polyethylene body, which is favorable for forming a multi-layer network structure, improves the heat conducting capability, ensures that the internal and external temperatures of the polyethylene matrix are more uniform, and reduces the deformation caused by temperature stress.
(3) As can be seen from the combination of examples 1-3 and examples 6-8 and Table 2, examples 1-3 have high bending strength, high bending modulus, and small height difference, and have higher deformation resistance than examples 6-8. The nylon fiber in the embodiment 1-3 consists of nylon resin, maleic anhydride grafted polyethylene and glass fiber, so that the nylon fiber has better stress absorption and transmission capacity, the deformation resistance of a polyethylene matrix can be improved, and the glass fiber is distributed in the nylon fiber and has a framework supporting effect, so that the rigidity of the nylon fiber is improved, and the dimensional stability is improved; the maleic anhydride grafted polyethylene has a coupling effect, can improve the compatibility of the polyethylene and nylon fibers, improves the dispersibility and the bonding strength of the nylon fibers in the polyethylene body, and is beneficial to forming a net structure of the nylon fibers in the polyethylene body, thereby improving the bending property and the deformation resistance of the plastic window rail.
(4) It can be seen in combination with examples 1-3 and example 13 and with Table 2 that example 1 has better deformation resistance than example 1. Since the silicone powder used in example 13 has a higher content of siloxane than that of example 1, it has increased tackiness and poor dispersibility, resulting in a decrease in deformation resistance of the plastic window rail.
Test 3: noise reduction performance measurement of plastic window rail
Test sample: examples 1, 9-13 and comparative examples 2, 4.
The test method comprises the following steps: a3 m long arc-shaped plastic window rail is arranged and fixed on a wall, a curtain is arranged on a pulley in the curtain rail, a mute electric cylinder is arranged at a position 5m away from one end of the curtain rail, and another mute electric cylinder is arranged at a position 5m away from the other end of the curtain rail. The curtain is folded at one end of the curtain rail, and the piston rods of the two silencing electric cylinders are fixedly connected with the same end of the curtain through the pull rope. A noise detector is fixed at the position 0.2m away from the two ends of the curtain and the middle of the curtain, and the detection range of the noise detector is 30-130dB, wherein the noise detector is purchased from Jining Jinlin mechanical limited equipment Co. Then under the action of the mute cylinder, the curtain is driven to slide towards the mute cylinder at the speed of 1 m/s. The average db value was calculated from the results of the three noise detectors, and the measurement results are shown in table 3.
After the curtain is driven to pull back and forth 3000 times by the two mute electric cylinders with opposite driving directions, the curtain is stood for ten days, and the average decibel value is measured again by the method and is recorded as the average decibel value after abrasion, and the measurement result is shown in table 3.
Table 3 measurement results of noise reduction Properties of Plastic Window Rail (dB)
Analysis of test results:
(1) As can be seen from the combination of examples 1 and examples 9-13 and table 3, the plastic window rail of example 1 has better noise reduction performance than examples 9-13, and is better than the example in which silicone powder with a siloxane content of 30%, ethoxylated octadecylamine and sodium dodecyl sulfonate are used together, and the silicone powder is not only a good external lubricant, but also can make the surface of the plastic window rail smoother, and reduce friction between the pulley and the plastic window rail. The ethoxylated octadecylamine and the dodecyl sodium sulfonate have polar and nonpolar groups, so that a smooth molecular layer can be formed on the surface of the plastic window rail, and the friction resistance between the pulley and the plastic window rail is reduced, thereby reducing the noise when the curtain is pulled.
And the ethoxylated octadecylamine and the sodium dodecyl sulfonate have long-acting performance, and after the smooth molecular layer of the plastic window rail is worn, the ethoxylated octadecylamine, the sodium dodecyl sulfonate and the polyethylene have poor compatibility, so that the ethoxylated octadecylamine, the sodium dodecyl sulfonate and the polyethylene can slowly permeate to the surface of the plastic window rail through a polyethylene chain, the damaged molecular layer is repaired, and the noise reduction performance of the plastic window rail is maintained.
(2) As can be seen in combination with example 1 and example 14 and with table 3, the silence noise reduction performance of example 1 is superior to example 14. Because the surface of the pile layer is densely covered with fiber piles with different orientations, after the sound waves generated by the relative friction between the pulley and the plastic window rail meet the pile layer, the sound waves are reflected or refracted, and the sound waves with different directions are mutually weakened and counteracted, so that the effects of silencing and reducing noise are generated.
(3) As can be seen from the combination of example 1 and comparative example 2 and the combination of table 3, the noise reduction effect of example 1 is superior to that of comparative example 2. Compared with comparative example 2, since the foamed ceramic is added in example 1, the foamed ceramic has a microporous structure, and the foamed ceramic is filled in polyethylene, so that the propagation of noise can be prevented, and the noise reduction effect is achieved.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (5)
1. The plastic window rail is characterized by being mainly prepared from the following components in parts by weight:
polyethylene slice: 80-100 parts;
nylon fiber: 20-28 parts of a lubricant;
foam ceramic: 10-23 parts of a lubricant;
and (3) a lubricant: 2-4 parts;
an antioxidant: 0.5-1 part;
nano aluminum oxide: 6-10 parts;
the nylon fiber is mainly prepared from nylon resin, glass fiber and maleic anhydride grafted polyethylene, wherein the weight ratio of the nylon resin to the glass fiber is (12-15), the nylon resin is (2-5), and the nylon fiber is (5-8);
the lubricant comprises silicone powder, ethoxylated octadecyl amine and sodium dodecyl sulfonate in a weight ratio of (1-2) to (1:1).
2. A plastic window rail according to claim 1, wherein the composition of the plastic window rail further comprises 4-5 parts by weight of carbon fibers.
3. The plastic window rail of claim 1, wherein the nylon fiber is prepared by the steps of: and (3) melting and extruding nylon resin, glass fiber and maleic anhydride grafted polyethylene to obtain the nylon fiber.
4. A plastic window rail according to claim 1, wherein the silicone powder comprises 30-40% by weight of siloxane.
5. A method of making a plastic window rail according to any one of claims 1-4, comprising the steps of:
s201, fully mixing polyethylene slices, nylon fibers, foamed ceramics, carbon fibers, nano aluminum oxide, a lubricant and an antioxidant, melting, extruding, and cooling to obtain a linear plastic window rail;
s202, heating the linear plastic window rail to 60-85 ℃, bending, molding, cooling and cooling to obtain a plastic window rail finished product.
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| EP1591429A1 (en) * | 2004-04-19 | 2005-11-02 | Erbicol SA | Open cell foam ceramic material with round voids and process for producing the same |
| US20070245924A1 (en) * | 2006-04-20 | 2007-10-25 | Hofmann Michael A | Reduced abrasion of titanium dioxide pigments produced from the chloride process |
| CN104231604A (en) * | 2014-09-25 | 2014-12-24 | 丹阳丹金航空材料科技有限公司 | Modified carbon fiber-reinforced composite material and preparation method thereof |
| KR20200001618A (en) * | 2015-08-14 | 2020-01-06 | 사빅 글로벌 테크놀러지스 비.브이. | color masterbatch glass-filled nylon composites |
| CN105176079B (en) * | 2015-09-16 | 2018-10-23 | 乐昌市沃府新材料有限公司 | A kind of short glass fiber enhancing modified nylon material and preparation method thereof |
| CN111073274B (en) * | 2019-12-04 | 2022-07-19 | 上海长伟锦磁工程塑料有限公司 | Heat-conducting insulating glass fiber reinforced PA66/HDPE alloy material and preparation method thereof |
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| 泡沫载体的表面处理对泡沫陶瓷性能的影响;赵能伟;刘林艳;;陶瓷学报(03);全文 * |
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