CN111793315A - Polyolefin toughening modifier and preparation method thereof - Google Patents
Polyolefin toughening modifier and preparation method thereof Download PDFInfo
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- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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Abstract
The invention discloses a polyolefin toughening modifier and a preparation method thereof, and the technical scheme is as follows: the polyolefin toughening modifier comprises main materials, auxiliary materials and auxiliary materials, wherein the main materials comprise polyethylene and vinyl acetate, the auxiliary materials comprise liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, the auxiliary materials comprise factice, phenolic resin and acetone solution, and the polyolefin toughening modifier and the preparation method thereof have the beneficial effects that: by using polyethylene and vinyl acetate as main materials, liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide as auxiliary materials and ointment, phenolic resin and acetone solution as auxiliary materials, the finally prepared toughening modifier has excellent performance, not only has better appearance, but also improves the waterproof capability and high temperature resistance, and also has better corrosion resistance and ultraviolet resistance, thereby prolonging the service life and improving the use reliability.
Description
Technical Field
The invention relates to the technical field of toughening agents, in particular to a polyolefin toughening modifier and a preparation method thereof.
Background
Polymers of olefins. The thermoplastic resin is a polymer material with the largest output and wide application because of the abundant raw materials, low price, easy processing and forming and excellent comprehensive performance. Among them, polyethylene and polypropylene are most important. The main species are polyethylene and also copolymers based on ethylene, such as ethylene-vinyl acetate copolymers, ethylene-acrylic acid or acrylate copolymers, and also polypropylene and also propylene copolymers, poly-1-butene, poly-4-methyl-1-pentene, cycloolefin polymers;
the toughening agent is a substance capable of increasing the flexibility of an adhesive film layer. Certain thermosetting resin adhesives, such as epoxy resin, phenolic resin and unsaturated polyester resin adhesives, have low elongation and high brittleness after being cured, and when the bonding part bears external force, cracks are easy to generate and rapidly expand, so that the adhesive layer is cracked, is not fatigue-resistant and cannot be used for structural bonding. Therefore, attempts have been made to reduce brittleness, increase toughness, and improve load bearing strength. Any substance which can reduce brittleness and increase toughness without affecting other main performances of the adhesive is the toughening agent. Can be divided into rubber toughening agents and thermoplastic elastomer toughening agents.
When a product using the traditional toughening modifier is used for a long time, the service life of the product is easily reduced or the effect is low after the product is used and the effect is unstable because the product does not have good waterproof capability, high temperature resistance, corrosion resistance, ultraviolet ray resistance and the like.
Therefore, the invention is necessary to invent a polyolefin toughening modifier and a preparation method thereof.
Disclosure of Invention
The invention provides a polyolefin toughening modifier and a preparation method thereof, wherein polyethylene and vinyl acetate are used as main materials, liquid silicon rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide are used as auxiliary materials, and ointment, phenolic resin and acetone solution are used as auxiliary materials, so that the finally prepared toughening modifier improves the waterproof capability and high temperature resistance of the toughening modifier in actual use, and simultaneously has better corrosion resistance and ultraviolet resistance, thereby improving the service life and the use reliability of the toughening modifier, solving the problems that the product of the traditional toughening modifier in the prior art after being used has long-term use, the waterproof paint has the problems of long service life, low effect after use and unstable effect because the waterproof paint does not have good waterproof capability, high temperature resistance, corrosion resistance, ultraviolet resistance and the like.
In order to achieve the above purpose, the invention provides the following technical scheme: the polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, wherein the main material comprises polyethylene and vinyl acetate, the auxiliary material comprises liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary material comprises factice, phenolic resin and an acetone solution.
Preferably, the main material comprises the following components in parts by weight:
polyethylene: 10-30 parts of
Vinyl acetate: 60-80 parts.
Preferably, the ingredients in the ingredients are respectively in parts by weight:
liquid silicone rubber: 1-5 parts of
Carboxyl-terminated liquid nitrile rubber: 1-5 parts of
Polyphenylene ether ketone: 1-5 parts of
Nano calcium carbonate: 1-5 parts of
Nano titanium dioxide: 1-5 parts.
Preferably, the auxiliary materials comprise the following components in parts by weight:
ointment: 5-10 parts of
Phenolic resin: 5-10 parts of
Acetone solution: 5-10 parts.
Preferably, the polyethylene melt index is 0.1-1g/min, and the vinyl acetate melt index is 0.5-0.8 g/min.
Preferably, the purity of the acetone solution is 75-85%.
The preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry;
s5, the heated preliminary slurry is placed in a cylinder and then rapidly stirred using a stirring device.
Preferably, the stirring speed in the S2 is 20-40 r/min, the heating temperature is 50-80 ℃, and the heating time is 1 h.
Preferably, the heating temperature in S4 is 80-100 ℃, and the heating time is 2 h.
Preferably, the stirring speed in S5 is 100-200 r/min, the stirring time is 1h, and then the modifier is obtained after natural cooling.
The invention has the beneficial effects that:
according to the invention, polyethylene and vinyl acetate are used as main materials, liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide are used as auxiliary materials, and factice, phenolic resin and acetone solution are used as auxiliary materials, so that the finally prepared toughening modifier has excellent performance, not only is relatively good in appearance, but also has relatively good surfaces in the aspects of waterproof capability, high temperature resistance and toughening performance.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
Example 1:
the invention provides a polyolefin toughening modifier and a preparation method thereof, wherein the polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, wherein the main material comprises polyethylene and vinyl acetate, the auxiliary material comprises liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary material comprises factice, phenolic resin and an acetone solution;
further, the main material comprises the following components in parts by weight:
polyethylene: 10 portions of
Vinyl acetate: 80 parts of polyethylene and vinyl acetate are mixed and reacted to obtain the ethylene-vinyl acetate copolymer, the performance of the ethylene-vinyl acetate copolymer depends on the content and molecular weight of vinyl acetate, and when the melt index is small and the content of the vinyl acetate is increased, the elasticity, flexibility, adhesiveness, intermiscibility, transparency and dissolubility of the ethylene-vinyl acetate copolymer are improved: the performance is similar to that of polyethylene when the content of vinyl acetate is reduced; if the VA content is unchanged and the melt index is reduced, the molecular weight is increased to improve the impact strength;
further, the ingredients in the ingredients are respectively in parts by weight:
liquid silicone rubber: 5 portions, has good fluidity and fast vulcanization, can be cast and injection molded. Liquid silicone rubber is divided into two main categories, namely self-adhesive type and non-self-adhesive type. The liquid silica gel can be solidified at normal temperature and can be solidified at high temperature. The high temperature curing process can be completed within seconds.
Carboxyl-terminated liquid nitrile rubber: 5 portions, has better toughening capability to epoxy resin materials,
polyphenylene ether ketone: 5 parts of a material with a melting point of more than 300 ℃, a processing temperature range of 370-400 ℃ and a melt thermal stability of more than 1 hour at 400 ℃. The composite material can be used in the fields of coating, reinforcing materials, film materials, insulating materials and the like, and can effectively improve the strength of the product used by the invention.
Nano calcium carbonate: 5 portions can improve the rheological property of the plastic master batch and improve the moldability of the plastic master batch. The composite material used as plastic filler has the functions of toughening and reinforcing, improves the bending strength and the bending elastic modulus of the plastic, the heat distortion temperature and the dimensional stability, and also endows the plastic with the heat hysteresis property.
Nano titanium dioxide: 1 part, strong ultraviolet shielding effect, good dispersibility and good weather resistance. Can be used in the fields of cosmetics, functional fiber, plastics, coating, paint, etc., and can be used as ultraviolet screening agent for preventing ultraviolet ray from invading;
further, the auxiliary materials comprise the following components in parts by weight:
ointment: 5 parts, and has good cohesiveness, plasticity, water resistance, corrosion resistance and durability.
Phenolic resin: 5 parts of the modified polypropylene has good acid resistance, mechanical property and heat resistance.
Acetone solution: 5 parts, which is beneficial to dissolving the phenolic resin;
further, the polyethylene melt index is 0.1g/min, and the vinyl acetate melt index is 0.5 g/min;
further, the acetone solution purity was 85%.
The preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time, wherein the stirring speed is 20 revolutions per minute, the heating temperature is 50 ℃, and the heating time is 1 h;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry, wherein the heating temperature is 80 ℃, and the heating time is 2 hours;
s5, placing the heated primary slurry in a cylinder, rapidly stirring the heated primary slurry by using a stirring device at the stirring speed of 100 r/min for 1h, and naturally cooling the heated primary slurry to obtain the modifier.
Example 2:
the invention provides a polyolefin toughening modifier and a preparation method thereof, wherein the polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, wherein the main material comprises polyethylene and vinyl acetate, the auxiliary material comprises liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary material comprises factice, phenolic resin and an acetone solution;
further, the main material comprises the following components in parts by weight:
polyethylene: 20 portions of
Vinyl acetate: 70 parts of polyethylene and vinyl acetate are mixed and reacted to obtain the ethylene-vinyl acetate copolymer, the performance of the ethylene-vinyl acetate copolymer depends on the content and molecular weight of vinyl acetate, and when the melt index is small and the content of the vinyl acetate is increased, the elasticity, flexibility, adhesiveness, compatibility, transparency and dissoluble parts of the ethylene-vinyl acetate copolymer are improved: the performance is similar to that of polyethylene when the content of vinyl acetate is reduced; if the VA content is unchanged and the melt index is reduced, the molecular weight is increased to improve the impact strength;
further, the ingredients in the ingredients are respectively in parts by weight:
liquid silicone rubber: 5 portions, has good fluidity and fast vulcanization, can be cast and injection molded. Liquid silicone rubber is divided into two main categories, namely self-adhesive type and non-self-adhesive type. The liquid silica gel can be solidified at normal temperature and can be solidified at high temperature. The high temperature curing process can be completed within seconds.
Carboxyl-terminated liquid nitrile rubber: 4 portions, has better toughening capability to epoxy resin materials,
polyphenylene ether ketone: 1 part, the melting point is more than 300 ℃, the processing temperature range is 370-400 ℃, and the melt thermal stability at 400 ℃ is more than 1 hour. The composite material can be used in the fields of coating, reinforcing materials, film materials, insulating materials and the like, and can effectively improve the strength of the product used by the invention.
Nano calcium carbonate: 4 portions, can improve the rheological property of the plastic master batch and improve the moldability of the plastic master batch. The composite material used as plastic filler has the functions of toughening and reinforcing, improves the bending strength and the bending elastic modulus of the plastic, the heat distortion temperature and the dimensional stability, and also endows the plastic with the heat hysteresis property.
Nano titanium dioxide: 5 portions, strong ultraviolet shielding effect, good dispersibility and weather resistance. Can be used in the fields of cosmetics, functional fiber, plastics, coating, paint, etc., and can be used as ultraviolet screening agent for preventing ultraviolet ray from invading;
further, the auxiliary materials comprise the following components in parts by weight:
ointment: 5 parts, and has good cohesiveness, plasticity, water resistance, corrosion resistance and durability.
Phenolic resin: 7 parts of the modified polycarbonate resin has good acid resistance, mechanical property and heat resistance.
Acetone solution: 7 parts, which is beneficial to dissolving the phenolic resin;
further, the polyethylene melt index is 0.3g/min, and the vinyl acetate melt index is 0.8 g/min;
further, the acetone solution purity was 85%.
The preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time, wherein the stirring speed is 30 revolutions per minute, the heating temperature is 60 ℃, and the heating time is 1 h;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry, wherein the heating temperature is 90 ℃, and the heating time is 2 hours;
s5, placing the heated primary slurry in a cylinder, rapidly stirring the heated primary slurry by using a stirring device at the stirring speed of 200 revolutions per minute for 1 hour, and naturally cooling the heated primary slurry to obtain the modifier.
Example 3:
the invention provides a polyolefin toughening modifier and a preparation method thereof, wherein the polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, wherein the main material comprises polyethylene and vinyl acetate, the auxiliary material comprises liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary material comprises factice, phenolic resin and an acetone solution;
further, the main material comprises the following components in parts by weight:
polyethylene: 30 portions of
Vinyl acetate: 60 parts of polyethylene and vinyl acetate are mixed and reacted to obtain the ethylene-vinyl acetate copolymer, the performance of the ethylene-vinyl acetate copolymer depends on the content and molecular weight of vinyl acetate, and when the melt index is small and the content of the vinyl acetate is increased, the elasticity, flexibility, adhesiveness, intermiscibility, transparency and dissolubility of the ethylene-vinyl acetate copolymer are improved: the performance is similar to that of polyethylene when the content of vinyl acetate is reduced; if the VA content is unchanged and the melt index is reduced, the molecular weight is increased to improve the impact strength;
further, the ingredients in the ingredients are respectively in parts by weight:
liquid silicone rubber: 1 part, has good fluidity and quick vulcanization, can be cast and molded and can be injection molded. Liquid silicone rubber is divided into two main categories, namely self-adhesive type and non-self-adhesive type. The liquid silica gel can be solidified at normal temperature and can be solidified at high temperature. The high temperature curing process can be completed within seconds.
Carboxyl-terminated liquid nitrile rubber: 1 part, has better toughening capability to epoxy resin materials,
polyphenylene ether ketone: 3 parts of a high-temperature-resistant material, wherein the melting point is more than 300 ℃, the processing temperature range is 370-400 ℃, and the melt thermal stability at 400 ℃ is more than 1 hour. The composite material can be used in the fields of coating, reinforcing materials, film materials, insulating materials and the like, and can effectively improve the strength of the product used by the invention.
Nano calcium carbonate: 4 portions, can improve the rheological property of the plastic master batch and improve the moldability of the plastic master batch. The composite material used as plastic filler has the functions of toughening and reinforcing, improves the bending strength and the bending elastic modulus of the plastic, the heat distortion temperature and the dimensional stability, and also endows the plastic with the heat hysteresis property.
Nano titanium dioxide: 5 portions, strong ultraviolet shielding effect, good dispersibility and weather resistance. Can be used in the fields of cosmetics, functional fiber, plastics, coating, paint, etc., and can be used as ultraviolet screening agent for preventing ultraviolet ray from invading;
further, the auxiliary materials comprise the following components in parts by weight:
ointment: 8 parts, and has good cohesiveness, plasticity, water resistance, corrosion resistance and durability.
Phenolic resin: 8 parts of the modified polycarbonate resin has good acid resistance, mechanical property and heat resistance.
Acetone solution: 8 parts, which is beneficial to dissolving the phenolic resin;
further, the polyethylene melt index is 0.5g/min, and the vinyl acetate melt index is 0.8 g/min;
further, the acetone solution purity was 85%.
The preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time, wherein the stirring speed is 20 revolutions per minute, the heating temperature is 80 ℃, and the heating time is 1 h;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry, wherein the heating temperature is 100 ℃, and the heating time is 2 hours;
s5, placing the heated primary slurry in a cylinder, rapidly stirring the heated primary slurry by using a stirring device at the stirring speed of 100 r/min for 1h, and naturally cooling the heated primary slurry to obtain the modifier.
Example 4:
the invention provides a polyolefin toughening modifier and a preparation method thereof, wherein the polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, wherein the main material comprises polyethylene and vinyl acetate, the auxiliary material comprises liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary material comprises factice, phenolic resin and an acetone solution;
further, the main material comprises the following components in parts by weight:
polyethylene: 10 portions of
Vinyl acetate: 70 parts of polyethylene and vinyl acetate are mixed and reacted to obtain the ethylene-vinyl acetate copolymer, the performance of the ethylene-vinyl acetate copolymer depends on the content and molecular weight of vinyl acetate, and when the melt index is small and the content of the vinyl acetate is increased, the elasticity, flexibility, adhesiveness, compatibility, transparency and dissoluble parts of the ethylene-vinyl acetate copolymer are improved: the performance is similar to that of polyethylene when the content of vinyl acetate is reduced; if the VA content is unchanged and the melt index is reduced, the molecular weight is increased to improve the impact strength;
further, the ingredients in the ingredients are respectively in parts by weight:
liquid silicone rubber: 5 portions, has good fluidity and fast vulcanization, can be cast and injection molded. Liquid silicone rubber is divided into two main categories, namely self-adhesive type and non-self-adhesive type. The liquid silica gel can be solidified at normal temperature and can be solidified at high temperature. The high temperature curing process can be completed within seconds.
Carboxyl-terminated liquid nitrile rubber: 1 part, has better toughening capability to epoxy resin materials,
polyphenylene ether ketone: 5 parts of a material with a melting point of more than 300 ℃, a processing temperature range of 370-400 ℃ and a melt thermal stability of more than 1 hour at 400 ℃. The composite material can be used in the fields of coating, reinforcing materials, film materials, insulating materials and the like, and can effectively improve the strength of the product used by the invention.
Nano calcium carbonate: 5 portions can improve the rheological property of the plastic master batch and improve the moldability of the plastic master batch. The composite material used as plastic filler has the functions of toughening and reinforcing, improves the bending strength and the bending elastic modulus of the plastic, the heat distortion temperature and the dimensional stability, and also endows the plastic with the heat hysteresis property.
Nano titanium dioxide: 1 part, strong ultraviolet shielding effect, good dispersibility and good weather resistance. Can be used in the fields of cosmetics, functional fiber, plastics, coating, paint, etc., and can be used as ultraviolet screening agent for preventing ultraviolet ray from invading;
further, the auxiliary materials comprise the following components in parts by weight:
ointment: 10 portions, has good caking property, plasticity, water resistance, corrosion resistance and durability.
Phenolic resin: 10 parts of the modified polypropylene composition has good acid resistance, mechanical property and heat resistance.
Acetone solution: 5 parts, which is beneficial to dissolving the phenolic resin;
further, the polyethylene melt index is 1g/min, and the vinyl acetate melt index is 0.5 g/min;
further, the acetone solution purity was 85%.
The preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time, wherein the stirring speed is 40 revolutions per minute, the heating temperature is 50 ℃, and the heating time is 1 h;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry, wherein the heating temperature is 80 ℃, and the heating time is 2 hours;
s5, placing the heated primary slurry in a cylinder, rapidly stirring the heated primary slurry by using a stirring device at the stirring speed of 150 revolutions per minute for 1 hour, and naturally cooling the heated primary slurry to obtain the modifier.
The modifiers prepared in examples 1-4 above were put into practical testing experiments to obtain the following data:
as can be seen from the above table, the modifiers prepared in examples 1 to 4 all have better performance, and have better performance in the aspects of waterproof capability, high temperature resistance and toughening performance, wherein the modifier prepared in example 2 has excellent performance.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The polyolefin toughening modifier comprises a main material, an auxiliary material and an auxiliary material, and is characterized in that: the main materials comprise polyethylene and vinyl acetate, the auxiliary materials comprise liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylether ketone, nano calcium carbonate and nano titanium dioxide, and the auxiliary materials comprise factice, phenolic resin and acetone solution.
2. The polyolefin toughening modifier of claim 1, wherein: the main material comprises the following components in parts by weight:
polyethylene: 10-30 parts of
Vinyl acetate: 60-80 parts.
3. The polyolefin toughening modifier of claim 1, wherein: the ingredients in the ingredients are respectively as follows in parts by weight:
liquid silicone rubber: 1-5 parts of
Carboxyl-terminated liquid nitrile rubber: 1-5 parts of
Polyphenylene ether ketone: 1-5 parts of
Nano calcium carbonate: 1-5 parts of
Nano titanium dioxide: 1-5 parts.
4. The polyolefin toughening modifier of claim 1, wherein: the auxiliary materials comprise the following components in parts by weight:
ointment: 5-10 parts of
Phenolic resin: 5-10 parts of
Acetone solution: 5-10 parts.
5. The polyolefin toughening modifier of claim 1, wherein: the polyethylene melt index is 0.1-1g/min, and the vinyl acetate melt index is 0.5-0.8 g/min.
6. The polyolefin toughening modifier of claim 1, wherein: the purity of the acetone solution is 75-85%.
7. A preparation method of a polyolefin toughening modifier is characterized by comprising the following steps: the preparation method comprises the following preparation steps:
s1, uniformly mixing the polyethylene and the vinyl acetate in the main material by using a low-speed mixer to obtain mixed main material slurry;
s2, heating the obtained mixed main material slurry, and stirring the mixed main material slurry at the same time;
s3, uniformly mixing the liquid silicone rubber, carboxyl-terminated liquid nitrile rubber, polyphenylene ether ketone, nano calcium carbonate, nano titanium dioxide and other substances in the ingredients with the substances such as ointment, phenolic resin, acetone solution and the like in the auxiliary materials to obtain ingredient and auxiliary material mixture;
s4, putting the mixture of the auxiliary materials and the mixed main material slurry into a heating box together for heating to obtain primary slurry;
s5, the heated preliminary slurry is placed in a cylinder and then rapidly stirred using a stirring device.
8. A preparation method of a polyolefin toughening modifier is characterized by comprising the following steps: and in the S2, the stirring speed is 20-40 r/min, the heating temperature is 50-80 ℃, and the heating time is 1 h.
9. A preparation method of a polyolefin toughening modifier is characterized by comprising the following steps: the heating temperature in the S4 is 80-100 ℃, and the heating time is 2 h.
10. A preparation method of a polyolefin toughening modifier is characterized by comprising the following steps: and in the step S5, the stirring speed is 100-.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058319A (en) * | 2021-11-29 | 2022-02-18 | 广东弘擎电子材料科技有限公司 | Adhesive for lithium battery aluminum plastic film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1884309A (en) * | 2006-05-29 | 2006-12-27 | 南京工业大学 | Polyolefin material melted extrusion functionalization stress induction method |
| CN1939962A (en) * | 2005-09-28 | 2007-04-04 | 中国石油化工股份有限公司 | Polyolefine toughening modifier and its production |
| CN103709574A (en) * | 2013-12-04 | 2014-04-09 | 深圳市沃特新材料股份有限公司 | Reinforcing and toughening filling master batch with compatibilization performance and preparation method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1939962A (en) * | 2005-09-28 | 2007-04-04 | 中国石油化工股份有限公司 | Polyolefine toughening modifier and its production |
| CN1884309A (en) * | 2006-05-29 | 2006-12-27 | 南京工业大学 | Polyolefin material melted extrusion functionalization stress induction method |
| CN103709574A (en) * | 2013-12-04 | 2014-04-09 | 深圳市沃特新材料股份有限公司 | Reinforcing and toughening filling master batch with compatibilization performance and preparation method therefor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058319A (en) * | 2021-11-29 | 2022-02-18 | 广东弘擎电子材料科技有限公司 | Adhesive for lithium battery aluminum plastic film and preparation method thereof |
| CN114058319B (en) * | 2021-11-29 | 2023-09-05 | 广东弘擎电子材料科技有限公司 | Adhesive for aluminum-plastic film of lithium battery and preparation method thereof |
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