阅读说明：本技术 一种机器人用新型分子材料 (Novel molecular material for robot ) 是由 占勇 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种机器人用新型分子材料,由改性聚偏二氟乙烯乳液、碳化硅、分散剂、阻燃剂、增稠剂、偶联剂和水组成,其组分按质量份数计为：改性聚偏二氟乙烯乳液10-14份；碳化硅3-5份；分散剂2-4份；阻燃剂3-5份；增稠剂0.3-0.7份；偶联剂2-4份；水8-10份；本发明的有益效果是：通过阻燃剂增加了分子材料的阻燃性能,分子材料用于机器人领域,增加了阻燃效果,延长了机器人的使用寿命；改性聚偏二氟乙烯乳液具有良好的疏水性能,通过改性聚偏二氟乙烯乳液应用于机器人领域,增加了机器人的疏水性能；本发明制备的分子材料,应用在机器人领域,增加了机械性能。(The invention discloses a novel molecular material for a robot, which consists of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersant, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass: 10-14 parts of modified polyvinylidene fluoride emulsion; 3-5 parts of silicon carbide; 2-4 parts of a dispersing agent; 3-5 parts of a flame retardant; 0.3-0.7 part of thickening agent; 2-4 parts of a coupling agent; 8-10 parts of water; the invention has the beneficial effects that: the flame retardant is used for improving the flame retardant property of the molecular material, and the molecular material is used in the field of robots, so that the flame retardant effect is improved, and the service life of the robots is prolonged; the modified polyvinylidene fluoride emulsion has good hydrophobic property, and the hydrophobic property of the robot is improved by applying the modified polyvinylidene fluoride emulsion to the field of robots; the molecular material prepared by the invention is applied to the field of robots, and the mechanical property is improved.)

1. A novel molecular material for a robot, characterized in that: the modified polyvinylidene fluoride water-based paint consists of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersing agent, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass:

10-14 parts of modified polyvinylidene fluoride emulsion

3-5 parts of silicon carbide

2-4 parts of dispersant

3-5 parts of flame retardant

0.3 to 0.7 portion of thickening agent

2-4 parts of coupling agent

8-10 parts of water.

2. The novel molecular material for robots according to claim 1, characterized in that: the preparation method of the molecular material comprises the following steps:

the method comprises the following steps: preparing raw materials: the modified polyvinylidene fluoride emulsion comprises the following raw materials in parts by weight:

10-14 parts of modified polyvinylidene fluoride emulsion

3-5 parts of silicon carbide

2-4 parts of dispersant

3-5 parts of flame retardant

0.3 to 0.7 portion of thickening agent

2-4 parts of coupling agent

8-10 parts of water;

step two: dispersing uniformly: preparing a stirring tank, pouring the modified polyvinylidene fluoride emulsion and water into the stirring tank, and stirring to uniformly disperse the modified polyvinylidene fluoride emulsion and the water;

step three: uniformly mixing: adding silicon carbide, a dispersing agent, a flame retardant and a coupling agent into a stirring tank, and stirring and mixing uniformly;

step four: the product is as follows: adding a thickening agent into the mixed solution obtained in the third step, and stirring for 6-10min at the speed of 40-60r/min to obtain a product;

step five: and (3) drying: the product is placed in a vacuum drier and dried for 20-40min at the temperature of 110-;

step six: crushing and sieving: the dried product is put into a pulverizer to be pulverized and sieved by a 200-mesh sieve.

3. The novel molecular material for robots according to claim 2, characterized in that: the dispersing agent is sodium pyrophosphate.

4. The novel molecular material for robots according to claim 2, characterized in that: the flame retardant is ammonium polyphosphate.

5. The novel molecular material for robots as claimed in claim 3, wherein: the coupling agent is HK-550.

6. The novel molecular material for robots according to claim 2, characterized in that: the thickening agent is sodium carboxymethyl cellulose.

7. The novel molecular material for robots according to claim 2, characterized in that: the preparation method of the modified polyvinylidene fluoride emulsion comprises the following steps:

the method comprises the following steps: preparing raw materials: polyvinylidene fluoride resin powder, polyacrylamide solution, epoxy silane coupling agent and azodiisobutyronitrile;

step two: placing polyvinylidene fluoride resin powder and polyacrylamide solution in a reaction kettle, heating to 50-70 ℃, and stirring for 10-30 min;

step three: adding an epoxy silane coupling agent into the mixture obtained in the second step, and uniformly mixing;

step four: adding azodiisobutyronitrile in nitrogen atmosphere, stirring, removing nitrogen atmosphere, and adding deionized water to obtain a product;

step five: putting the product into a vacuum drier, drying, putting the dried product into a crusher, crushing and sieving to obtain modified polyvinylidene fluoride resin;

step six: adding the modified polyvinylidene fluoride resin into the isophorone solution, and stirring and dispersing uniformly to obtain the modified polyvinylidene fluoride emulsion.

Technical Field

The invention belongs to the technical field of robot molecular materials, and particularly relates to a novel molecular material for a robot.

Background

The piezoelectric polymer is considered as an ideal material of a sensor for a robot, has the characteristics of wear resistance, light weight, high sensitivity, low acoustic impedance, easy fixation on a complex surface, low price and wide frequency band,

in recent years, with the development of polymer material research, polymer materials with high functions are attracting more and more attention, polyvinylidene fluoride is a pure thermoplastic fluorine-containing polymer, a polymer compound formed by polymerizing the vinylidene fluoride can be dissolved in a strong polar solution, and the polyvinylidene fluoride has good mechanical properties, is an ideal structural material, has wear resistance, corrosion resistance, good flexibility, low creep deformation and low price; the piezoelectric and pyroelectric characteristics of polyvinylidene fluoride are extremely stable in a rather long time and in a wide temperature range, the frequency band is wide, the collar area is high, the mechanical impedance is low, the polyvinylidene fluoride can be easily processed into a flexible film, and the polyvinylidene fluoride is in sharp contrast with hard, brittle and difficult-to-process piezoelectric ceramics; the polyvinylidene fluoride has good chemical stability, is nontoxic to human bodies, is soft in texture and easy to cling to the skin, has acoustic impedance very close to the sweat tissue of the human bodies, is widely applied to the field of robots, and is known as the best functional material for simulating the skin of the human bodies in the world at present.

In order to further improve the hydrophobic, flame retardant and mechanical properties of the molecular material, a novel molecular material for robots is proposed.

Disclosure of Invention

The present invention is directed to a novel molecular material for robots, which solves the above problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: a novel molecular material for robots is composed of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersing agent, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass:

10-14 parts of modified polyvinylidene fluoride emulsion

3-5 parts of silicon carbide

2-4 parts of dispersant

3-5 parts of flame retardant

0.3 to 0.7 portion of thickening agent

2-4 parts of coupling agent

8-10 parts of water.

As a preferred technical solution of the present invention, the preparation method of the molecular material is as follows:

the method comprises the following steps: preparing raw materials: the modified polyvinylidene fluoride emulsion comprises the following raw materials in parts by weight:

10-14 parts of modified polyvinylidene fluoride emulsion

3-5 parts of silicon carbide

2-4 parts of dispersant

3-5 parts of flame retardant

0.3 to 0.7 portion of thickening agent

2-4 parts of coupling agent

8-10 parts of water;

step two: dispersing uniformly: preparing a stirring tank, pouring the modified polyvinylidene fluoride emulsion and water into the stirring tank, and stirring to uniformly disperse the modified polyvinylidene fluoride emulsion and the water;

step three: uniformly mixing: adding silicon carbide, a dispersing agent, a flame retardant and a coupling agent into a stirring tank, and stirring and mixing uniformly;

step four: the product is as follows: adding a thickening agent into the mixed solution obtained in the third step, and stirring for 6-10min at the speed of 40-60r/min to obtain a product;

step five: and (3) drying: the product is placed in a vacuum drier and dried for 20-40min at the temperature of 110-;

step six: crushing and sieving: the dried product is put into a pulverizer to be pulverized and sieved by a 200-mesh sieve.

In a preferred embodiment of the present invention, the dispersant is sodium pyrophosphate.

As a preferred technical solution of the present invention, the flame retardant is ammonium polyphosphate.

As a preferred technical scheme of the invention, the coupling agent is HK-550.

As a preferable technical scheme of the invention, the thickener is sodium carboxymethyl cellulose.

As a preferred technical solution of the present invention, the preparation method of the modified polyvinylidene fluoride emulsion is as follows:

the method comprises the following steps: preparing raw materials: polyvinylidene fluoride resin powder, polyacrylamide solution, epoxy silane coupling agent and azodiisobutyronitrile;

step two: placing polyvinylidene fluoride resin powder and polyacrylamide solution in a reaction kettle, heating to 50-70 ℃, and stirring for 10-30 min;

step three: adding an epoxy silane coupling agent into the mixture obtained in the second step, and uniformly mixing;

step four: adding azodiisobutyronitrile in nitrogen atmosphere, stirring, removing nitrogen atmosphere, and adding deionized water to obtain a product;

step five: putting the product into a vacuum drier, drying, putting the dried product into a crusher, crushing and sieving to obtain modified polyvinylidene fluoride resin;

step six: adding the modified polyvinylidene fluoride resin into the isophorone solution, and stirring and dispersing uniformly to obtain the modified polyvinylidene fluoride emulsion.

Compared with the prior art, the invention has the beneficial effects that:

(1) the flame retardant is used for improving the flame retardant property of the molecular material, and the molecular material is used in the field of robots, so that the flame retardant effect is improved, and the service life of the robots is prolonged;

(2) the modified polyvinylidene fluoride emulsion has good hydrophobic property, and the hydrophobic property of the robot is improved by applying the modified polyvinylidene fluoride emulsion to the field of robots;

(3) the molecular material prepared by the invention is applied to the field of robots, and the mechanical property is improved.

Drawings

FIG. 1 is a flow chart of the preparation of the molecular material of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: a novel molecular material for robots is composed of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersing agent, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass:

modified polyvinylidene fluoride emulsion 10 parts

3 parts of silicon carbide

Dispersant 2 parts

3 portions of flame retardant

0.3 part of thickening agent

Coupling agent 2 parts

And 8 parts of water.

In this embodiment, preferably, the preparation method of the molecular material is as follows:

the method comprises the following steps: preparing raw materials: the modified polyvinylidene fluoride emulsion comprises the following raw materials in parts by weight:

modified polyvinylidene fluoride emulsion 10 parts

3 parts of silicon carbide

Dispersant 2 parts

3 portions of flame retardant

0.3 part of thickening agent

Coupling agent 2 parts

8 parts of water;

step two: dispersing uniformly: preparing a stirring tank, pouring the modified polyvinylidene fluoride emulsion and water into the stirring tank, and stirring to uniformly disperse the modified polyvinylidene fluoride emulsion and the water;

step three: uniformly mixing: adding silicon carbide, a dispersing agent, a flame retardant and a coupling agent into a stirring tank, and stirring and mixing uniformly;

step four: the product is as follows: adding a thickening agent into the mixed solution obtained in the third step, and stirring for 10min at the speed of 40r/min to obtain a product;

step five: and (3) drying: placing the product in a vacuum drier, and drying at 110 deg.C for 40 min;

step six: crushing and sieving: the dried product is put into a pulverizer to be pulverized and sieved by a 200-mesh sieve.

In this embodiment, the dispersant is preferably sodium pyrophosphate.

In this embodiment, preferably, the flame retardant is ammonium polyphosphate, the flame retardant performance of the molecular material is improved by the flame retardant, and the molecular material is used in the field of robots, so that the flame retardant effect is improved, and the service life of the robots is prolonged.

In the embodiment, preferably, the coupling agent is HK-550, and the silane coupling agent HK-550 is a low molecular organosilicon compound with a special structure, and the general formula thereof is RSiX3, wherein R represents an active functional group having affinity or reactivity with a polymer molecule, when coupling is performed, firstly, X radical water forms silanol, and then, the silanol reacts with hydroxyl on the surface of inorganic powder particles to form a hydrogen bond and condense into a covalent bond, and simultaneously, the silanol of each molecule of silane is mutually associated and oligomerized to form a film with a network structure to cover the surface of the powder particles, so that the surface of the inorganic powder is organized.

In this embodiment, the thickener is preferably sodium carboxymethyl cellulose.

In this embodiment, preferably, the preparation method of the modified polyvinylidene fluoride emulsion is as follows:

the method comprises the following steps: preparing raw materials: polyvinylidene fluoride resin powder, polyacrylamide solution, epoxy silane coupling agent and azodiisobutyronitrile;

step two: placing polyvinylidene fluoride resin powder and polyacrylamide solution in a reaction kettle, heating to 50 ℃, and stirring for 30 min;

step three: adding an epoxy silane coupling agent into the mixture obtained in the second step, and uniformly mixing;

step four: adding azodiisobutyronitrile in nitrogen atmosphere, stirring, removing nitrogen atmosphere, and adding deionized water to obtain a product;

step five: putting the product into a vacuum drier, drying, putting the dried product into a crusher, crushing and sieving to obtain modified polyvinylidene fluoride resin;

step six: the modified polyvinylidene fluoride resin is added into the isophorone solution and uniformly stirred and dispersed to obtain the modified polyvinylidene fluoride emulsion, the modified polyvinylidene fluoride emulsion has good hydrophobic property, and the hydrophobic property of the robot is improved by applying the modified polyvinylidene fluoride emulsion to the field of robots.

Example 2

Referring to fig. 1, the present invention provides a technical solution: a novel molecular material for robots is composed of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersing agent, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass:

modified polyvinylidene fluoride emulsion 12 parts

4 parts of silicon carbide

3 portions of dispersant

4 portions of flame retardant

0.5 part of thickening agent

Coupling agent 3 parts

And 9 parts of water.

In this embodiment, preferably, the preparation method of the molecular material is as follows:

the method comprises the following steps: preparing raw materials: the modified polyvinylidene fluoride emulsion comprises the following raw materials in parts by weight:

modified polyvinylidene fluoride emulsion 12 parts

4 parts of silicon carbide

3 portions of dispersant

4 portions of flame retardant

0.5 part of thickening agent

Coupling agent 3 parts

9 parts of water;

step two: dispersing uniformly: preparing a stirring tank, pouring the modified polyvinylidene fluoride emulsion and water into the stirring tank, and stirring to uniformly disperse the modified polyvinylidene fluoride emulsion and the water;

step three: uniformly mixing: adding silicon carbide, a dispersing agent, a flame retardant and a coupling agent into a stirring tank, and stirring and mixing uniformly;

step four: the product is as follows: adding a thickening agent into the mixed solution obtained in the third step, and stirring for 8min at a speed of 50r/min to obtain a product;

step five: and (3) drying: placing the product in a vacuum drier, and drying at 120 deg.C for 30 min;

step six: crushing and sieving: the dried product is put into a pulverizer to be pulverized and sieved by a 200-mesh sieve.

In this embodiment, the dispersant is preferably sodium pyrophosphate.

In this embodiment, preferably, the flame retardant is ammonium polyphosphate, the flame retardant performance of the molecular material is improved by the flame retardant, and the molecular material is used in the field of robots, so that the flame retardant effect is improved, and the service life of the robots is prolonged.

In the embodiment, preferably, the coupling agent is HK-550, and the silane coupling agent HK-550 is a low molecular organosilicon compound with a special structure, and the general formula thereof is RSiX3, wherein R represents an active functional group having affinity or reactivity with a polymer molecule, when coupling is performed, firstly, X radical water forms silanol, and then, the silanol reacts with hydroxyl on the surface of inorganic powder particles to form a hydrogen bond and condense into a covalent bond, and simultaneously, the silanol of each molecule of silane is mutually associated and oligomerized to form a film with a network structure to cover the surface of the powder particles, so that the surface of the inorganic powder is organized.

In this embodiment, the thickener is preferably sodium carboxymethyl cellulose.

In this embodiment, preferably, the preparation method of the modified polyvinylidene fluoride emulsion is as follows:

the method comprises the following steps: preparing raw materials: polyvinylidene fluoride resin powder, polyacrylamide solution, epoxy silane coupling agent and azodiisobutyronitrile;

step two: placing polyvinylidene fluoride resin powder and polyacrylamide solution in a reaction kettle, heating to 60 ℃, and stirring for 20 min;

step three: adding an epoxy silane coupling agent into the mixture obtained in the second step, and uniformly mixing;

step four: adding azodiisobutyronitrile in nitrogen atmosphere, stirring, removing nitrogen atmosphere, and adding deionized water to obtain a product;

step five: putting the product into a vacuum drier, drying, putting the dried product into a crusher, crushing and sieving to obtain modified polyvinylidene fluoride resin;

step six: the modified polyvinylidene fluoride resin is added into the isophorone solution and uniformly stirred and dispersed to obtain the modified polyvinylidene fluoride emulsion, the modified polyvinylidene fluoride emulsion has good hydrophobic property, and the hydrophobic property of the robot is improved by applying the modified polyvinylidene fluoride emulsion to the field of robots.

Example 3

Referring to fig. 1, the present invention provides a technical solution: a novel molecular material for robots is composed of modified polyvinylidene fluoride emulsion, silicon carbide, a dispersing agent, a flame retardant, a thickening agent, a coupling agent and water, and comprises the following components in parts by mass:

14 parts of modified polyvinylidene fluoride emulsion

5 parts of silicon carbide

4 portions of dispersant

5 portions of fire retardant

0.7 part of thickening agent

4 portions of coupling agent

And 10 parts of water.

In this embodiment, preferably, the preparation method of the molecular material is as follows:

the method comprises the following steps: preparing raw materials: the modified polyvinylidene fluoride emulsion comprises the following raw materials in parts by weight:

14 parts of modified polyvinylidene fluoride emulsion

5 parts of silicon carbide

4 portions of dispersant

5 portions of fire retardant

0.7 part of thickening agent

4 portions of coupling agent

10 parts of water;

step two: dispersing uniformly: preparing a stirring tank, pouring the modified polyvinylidene fluoride emulsion and water into the stirring tank, and stirring to uniformly disperse the modified polyvinylidene fluoride emulsion and the water;

step three: uniformly mixing: adding silicon carbide, a dispersing agent, a flame retardant and a coupling agent into a stirring tank, and stirring and mixing uniformly;

step four: the product is as follows: adding a thickening agent into the mixed solution obtained in the third step, and stirring for 6min at the speed of 60r/min to obtain a product;

step five: and (3) drying: placing the product in a vacuum drier, and drying at 130 deg.C for 20 min;

step six: crushing and sieving: the dried product is put into a pulverizer to be pulverized and sieved by a 200-mesh sieve.

In this embodiment, the dispersant is preferably sodium pyrophosphate.

In this embodiment, preferably, the flame retardant is ammonium polyphosphate, the flame retardant performance of the molecular material is improved by the flame retardant, and the molecular material is used in the field of robots, so that the flame retardant effect is improved, and the service life of the robots is prolonged.

In the embodiment, preferably, the coupling agent is HK-550, and the silane coupling agent HK-550 is a low molecular organosilicon compound with a special structure, and the general formula thereof is RSiX3, wherein R represents an active functional group having affinity or reactivity with a polymer molecule, when coupling is performed, firstly, X radical water forms silanol, and then, the silanol reacts with hydroxyl on the surface of inorganic powder particles to form a hydrogen bond and condense into a covalent bond, and simultaneously, the silanol of each molecule of silane is mutually associated and oligomerized to form a film with a network structure to cover the surface of the powder particles, so that the surface of the inorganic powder is organized.

In this embodiment, the thickener is preferably sodium carboxymethyl cellulose.

In this embodiment, preferably, the preparation method of the modified polyvinylidene fluoride emulsion is as follows:

the method comprises the following steps: preparing raw materials: polyvinylidene fluoride resin powder, polyacrylamide solution, epoxy silane coupling agent and azodiisobutyronitrile;

step two: placing polyvinylidene fluoride resin powder and polyacrylamide solution in a reaction kettle, heating to 70 ℃, and stirring for 10 min;

step three: adding an epoxy silane coupling agent into the mixture obtained in the second step, and uniformly mixing;

step four: adding azodiisobutyronitrile in nitrogen atmosphere, stirring, removing nitrogen atmosphere, and adding deionized water to obtain a product;

step five: putting the product into a vacuum drier, drying, putting the dried product into a crusher, crushing and sieving to obtain modified polyvinylidene fluoride resin;

step six: the modified polyvinylidene fluoride resin is added into the isophorone solution and uniformly stirred and dispersed to obtain the modified polyvinylidene fluoride emulsion, the modified polyvinylidene fluoride emulsion has good hydrophobic property, and the hydrophobic property of the robot is improved by applying the modified polyvinylidene fluoride emulsion to the field of robots.

The difference table of the parts of the raw materials of the molecular materials in different examples is as follows:

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.