CN111607118A - Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology - Google Patents

Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology Download PDF

Info

Publication number
CN111607118A
CN111607118A CN202010542606.3A CN202010542606A CN111607118A CN 111607118 A CN111607118 A CN 111607118A CN 202010542606 A CN202010542606 A CN 202010542606A CN 111607118 A CN111607118 A CN 111607118A
Authority
CN
China
Prior art keywords
parts
foaming
carbon fiber
manufacturing
damping buffer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010542606.3A
Other languages
Chinese (zh)
Inventor
张丽
罗耀发
涂丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spiegel Technology Xiamen Co ltd
Original Assignee
Spiegel Technology Xiamen Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spiegel Technology Xiamen Co ltd filed Critical Spiegel Technology Xiamen Co ltd
Priority to CN202010542606.3A priority Critical patent/CN111607118A/en
Publication of CN111607118A publication Critical patent/CN111607118A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C08J9/0028—Use of organic additives containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0085—Use of fibrous compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2205/00—Foams characterised by their properties
    • C08J2205/04—Foams characterised by their properties characterised by the foam pores
    • C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/02—Polyalkylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements

Abstract

A manufacturing method of a carbon fiber reinforced damping buffer material based on a microcellular foaming technology is disclosed, wherein the damping buffer material comprises a PET film and a foaming material arranged on a base material, and the foaming material comprises the following raw materials: the water-based polyurethane emulsion, the water-based polyacrylate, the carbon fiber, the foam stabilizer, the foaming agent, the sodium polyacrylate, the polyethylene glycol, the ammonia water, the isopropanolamine, the catalyst, the cross-linking agent and the thickening agent are defined, the water-based polyurethane emulsion and the water-based polyacrylate are used as main raw materials, other components and the foaming ratio of the foaming material are defined, uniformly distributed bubbles are formed in the foaming material, the closed porosity of the bubbles reaches more than 80%, so that the prepared material has good shock absorption and shock absorption functions, and can be used for dust sealing, shock absorption buffering, elastic supporting and the like of electronic products.

Description

Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology
Technical Field
The invention belongs to the field of preparation of damping buffer materials, and particularly relates to a method for preparing a carbon fiber reinforced damping buffer material based on a microcellular foaming technology.
Background
Polyurethane foam is generally obtained by polymerizing isocyanate and polyol, and a prepared foam material generally forms a plurality of foam holes with different sizes, and is often used as a buffer material, a sound-absorbing material and the like due to smaller compression residual deformation, higher energy absorption and excellent buffer performance, and is widely applied to the technical fields of electronics, electricity, digital codes, communication and the like.
When polyurethane foam is used as the foam rubber belt substrate for the damping and buffering material, the density balance of polyurethane foam performance is commonly used, and generally, the larger the foam density is, the larger the resilience force of the polyurethane foam is, and the better the damping performance and the buffering performance of the prepared foam rubber belt are. The existing polyurethane foam is formed after polymerization of isocyanate and polyol, when the isocyanate and the polyol are polymerized, due to the fact that the stirring uniformity, the temperature, the time and the like are unreasonable in control, the defect of the internal structure of the material is caused, the polyurethane foam is low in density or uneven in density, the rebound resilience is poor, the shock absorption and buffering performance of a foam rubber tape prepared by taking the polyurethane foam as a base material is influenced, and meanwhile, the problems that the thermal conduction performance is poor, the friction resistance performance is not good enough and the like can be caused, and the improvement is needed.
The carbon fiber is a new material with excellent mechanical property, the specific gravity of the carbon fiber is less than 1/4 of steel, the tensile strength of the carbon fiber resin composite material is generally more than 3500Mpa, which is 7-9 times of that of the steel, and the tensile elastic modulus is 23000-43000Mpa which is also higher than that of the steel. The specific strength of the carbon fiber, namely the ratio of the strength of the material to the density thereof, can reach more than 2000Mpa/(g/cm3), while the specific strength of the A3 steel is only about 59Mpa/(g/cm3), and the specific modulus is higher than that of the steel. Therefore, the carbon fiber and the polyurethane matrix are compounded, and the microcellular foaming technology is combined to prepare the foam with high and uniform foam cell density and high foam wall mechanical support strength, so that the high-performance damping buffer material can be obtained.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a manufacturing method of a carbon fiber reinforced damping buffer material based on a microcellular foaming technology.
The invention adopts the following technical scheme:
a manufacturing method of a carbon fiber reinforced damping buffer material based on a microcellular foaming technology comprises a PET film and a foaming material arranged on a base material, wherein the foaming material comprises the following raw materials in parts by weight: 45-60 parts of aqueous polyurethane emulsion, 25-40 parts of aqueous polyacrylate, 5-8 parts of carbon fiber, 6-12 parts of foam stabilizer, 2-4 parts of foaming agent, 1-1.5 parts of sodium polyacrylate, 2-4 parts of polyethylene glycol, 0.5-0.8 part of isopropanolamine, 0.08-0.12 part of catalyst, 2.8-4.2 parts of cross-linking agent and 1.2-1.5 parts of thickening agent;
the foam stabilizer comprises the following raw materials in parts by weight: 5-10 parts of triethanolamine oleate soap, 5-8 parts of hydroxyethyl cellulose, 18-24 parts of polyether modified silicone oil, 10-16 parts of tartaric acid and 8-15 parts of lauroyl diethanolamine;
the foaming agent comprises the following raw materials in parts by weight: 8-12 parts of polysiloxane, 10-12 parts of sodium dodecyl benzene sulfonate, 3-5 parts of sodium hexametaphosphate, 12-18 parts of ethyl acetate and 1-3 parts of sodium dibutylnaphthalenesulfonate;
the manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:3-4 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
Further, the crosslinking agent is isocyanate, aziridine or amino resin.
Further, the catalyst is triethylene diamine or stannous octoate.
Further, in the third step, the coating thickness of the foaming material is more than 150 um.
Further, the aqueous polyurethane emulsion is aromatic aqueous polyurethane emulsion, aliphatic aqueous polyurethane emulsion or modified aqueous polyurethane emulsion.
Further, in the third step, the PET film coated with the foaming material is dried in a dryer, the dryer comprises eight drying ovens connected in sequence, and the temperatures of the eight drying ovens are gradually increased.
As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the invention defines the water-based polyurethane emulsion and the water-based polyacrylate as main raw materials, defines other components and foaming ratio of the foaming material, and simultaneously forms uniformly distributed bubbles in the foaming material through the mechanical support of the carbon fiber, and the closed porosity of the bubbles reaches more than 80 percent, so that the prepared material has good shock absorption and shock absorption functions and can be used for dust sealing, shock absorption buffering, elastic support and the like of electronic products;
the foaming agent is composed of sodium dodecyl benzene sulfonate, polysiloxane, sodium hexametaphosphate, ethyl acetate and sodium dibutyl naphthalene sulfonate, the sodium hexametaphosphate can enable the foaming agent to be uniformly dispersed in the foaming material, and the sodium dibutyl naphthalene sulfonate is matched with the sodium dodecyl benzene sulfonate, the polysiloxane and the ethyl acetate, so that the bubble capacity of the foaming agent can be increased, and uniformly distributed bubbles are formed in the foaming material;
the foam stabilizer consists of triethanolamine oleate soap, hydroxyethyl cellulose, polyether modified silicone oil, tartaric acid and lauroyl diethanol amine, wherein the hydroxyethyl cellulose can enable the foam stabilizer to be uniformly dispersed in a foaming material, and the triethanolamine oleate soap, the polyether modified silicone oil, the tartaric acid and the lauroyl diethanol amine are matched to improve the viscosity of bubbles, reduce the flowability of foams and ensure that the closed cell rate of the bubbles reaches more than 80 percent.
Detailed Description
The invention is further described below by means of specific embodiments.
A carbon fiber reinforced damping buffer material based on a microcellular foaming technology comprises a PET film and a foaming material arranged on a base material.
The foaming material comprises the following raw materials in parts by weight: 45-60 parts of aqueous polyurethane emulsion, 25-40 parts of aqueous polyacrylate, 5-8 parts of carbon fiber, 6-12 parts of foam stabilizer, 2-4 parts of foaming agent, 1-1.5 parts of sodium polyacrylate, 2-4 parts of polyethylene glycol, 0.5-0.8 part of isopropanolamine, 0.08-0.12 part of catalyst, 2.8-4.2 parts of cross-linking agent and 1.2-1.5 parts of associative thickener.
Specifically, the foam stabilizer comprises the following raw materials in parts by weight: 5-10 parts of triethanolamine oleate soap, 5-8 parts of hydroxyethyl cellulose, 18-24 parts of polyether modified silicone oil, 10-16 parts of tartaric acid and 8-15 parts of lauroyl diethanolamine.
The foaming agent comprises the following raw materials in parts by weight: 8-12 parts of polysiloxane, 10-12 parts of sodium dodecyl benzene sulfonate, 3-5 parts of sodium hexametaphosphate, 12-18 parts of ethyl acetate and 1-3 parts of sodium dibutylnaphthalenesulfonate.
The aqueous polyurethane emulsion is aromatic aqueous polyurethane emulsion, aliphatic aqueous polyurethane emulsion or modified aqueous polyurethane emulsion.
The crosslinking agent is isocyanate, aziridine or amino resin.
The catalyst is triethylene diamine or stannous octoate.
The associative thickener is a commercially available associative thickener.
The manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:3-4 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying in a dryer to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
Specifically, in the third step, the coating thickness of the foaming material is more than 150um, and further, the dryer comprises eight sections of drying ovens which are connected in sequence, and the temperature of the eight sections of drying ovens is gradually increased.
Example 1
A carbon fiber reinforced damping buffer material based on a microcellular foaming technology comprises a PET film and a foaming material arranged on a base material.
The foaming material comprises the following raw materials in parts by weight: 45 parts of aromatic waterborne polyurethane emulsion, 40 parts of waterborne polyacrylate, 5 parts of carbon fiber, 12 parts of foam stabilizer, 2 parts of foaming agent, 1 part of sodium polyacrylate, 4 parts of polyethylene glycol, 0.8 part of isopropanolamine, 0.08 part of triethylene diamine, 4.2 parts of isocyanate and 1.2 parts of associative thickener.
Specifically, the foam stabilizer comprises the following raw materials in parts by weight: 5 parts of triethanolamine oleate soap, 8 parts of hydroxyethyl cellulose, 18 parts of polyether modified silicone oil, 16 parts of tartaric acid and 8 parts of lauroyl diethanolamine.
The foaming agent comprises the following raw materials in parts by weight: 12 parts of polysiloxane, 10 parts of sodium dodecyl benzene sulfonate, 5 parts of sodium hexametaphosphate, 12 parts of ethyl acetate and 3 parts of sodium dibutylnaphthalenesulfonate.
The associative thickener is a commercially available associative thickener.
The manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:3 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying in a dryer to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
Specifically, in the third step, the coating thickness of the foaming material is more than 150um, and further, the dryer comprises eight sections of drying ovens which are connected in sequence, and the temperature of the eight sections of drying ovens is gradually increased.
The prepared damping and buffering material is tested to obtain the following performance parameters:
the thickness is 0.15 mm;
density 1.12g/cm3；
Compression set ratio: 6.3 percent;
the following performance parameters were obtained from tests on polyurethane foam in the prior art:
thickness: 0.15 mm;
density 0.78g/cm3；
Compression set ratio: 8.6 percent;
according to the invention, by limiting the composition of the damping and buffering material, compared with the existing polyurethane foam, the prepared damping and buffering material has the advantages of obviously improved density, reduced compression deformation rate and excellent damping and buffering performance.
Example 2
A carbon fiber reinforced damping buffer material based on a microcellular foaming technology comprises a PET film and a foaming material arranged on a base material.
The foaming material comprises the following raw materials in parts by weight: 60 parts of aliphatic waterborne polyurethane emulsion, 25 parts of waterborne polyacrylate, 8 parts of carbon fiber, 6 parts of foam stabilizer, 4 parts of foaming agent, 1.5 parts of sodium polyacrylate, 2 parts of polyethylene glycol, 0.5 part of isopropanolamine, 0.12 part of stannous octoate, 2.8 parts of aziridine and 1.5 parts of associative thickener.
Specifically, the foam stabilizer comprises the following raw materials in parts by weight: 10 parts of triethanolamine oleate soap, 5 parts of hydroxyethyl cellulose, 24 parts of polyether modified silicone oil, 10 parts of tartaric acid and 15 parts of lauroyl diethanolamine.
The foaming agent comprises the following raw materials in parts by weight: 8 parts of polysiloxane, 12 parts of sodium dodecyl benzene sulfonate, 3 parts of sodium hexametaphosphate, 18 parts of ethyl acetate and 1 part of sodium dibutylnaphthalenesulfonate.
The associative thickener is a commercially available associative thickener.
The manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:4 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying in a dryer to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
Specifically, in the third step, the coating thickness of the foaming material is more than 150um, and further, the dryer comprises eight sections of drying ovens which are connected in sequence, and the temperature of the eight sections of drying ovens is gradually increased.
The prepared damping and buffering material is tested to obtain the following performance parameters:
the thickness is 0.15 mm;
density 1.13g/cm3；
Compression set ratio: 6.1 percent;
the following performance parameters were obtained from tests on polyurethane foam in the prior art:
thickness: 0.15 mm;
density 0.78g/cm3；
Compression set ratio: 8.6 percent;
according to the invention, by limiting the composition of the damping and buffering material, compared with the existing polyurethane foam, the prepared damping and buffering material has the advantages of obviously improved density, reduced compression deformation rate and excellent damping and buffering performance.
Example 3
A carbon fiber reinforced damping buffer material based on a microcellular foaming technology comprises a PET film and a foaming material arranged on a base material.
The foaming material comprises the following raw materials in parts by weight: 52 parts of modified aqueous polyurethane emulsion, 33 parts of aqueous polyacrylate, 6 parts of carbon fiber, 9 parts of foam stabilizer, 3 parts of foaming agent, 1.2 parts of sodium polyacrylate, 3 parts of polyethylene glycol, 0.65 part of isopropanolamine, 0.1 part of triethylene diamine, 3.6 parts of amino resin and 1.3 parts of associative thickener.
Specifically, the foam stabilizer comprises the following raw materials in parts by weight: 8 parts of triethanolamine oleate soap, 6 parts of hydroxyethyl cellulose, 21 parts of polyether modified silicone oil, 13 parts of tartaric acid and 12 parts of lauroyl diethanolamine.
The foaming agent comprises the following raw materials in parts by weight: 10 parts of polysiloxane, 11 parts of sodium dodecyl benzene sulfonate, 4 parts of sodium hexametaphosphate, 15 parts of ethyl acetate and 2 parts of sodium dibutylnaphthalenesulfonate.
The associative thickener is a commercially available associative thickener.
The manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:3-4 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying in a dryer to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
Specifically, in the third step, the coating thickness of the foaming material is more than 150um, and further, the dryer comprises eight sections of drying ovens which are connected in sequence, and the temperature of the eight sections of drying ovens is gradually increased.
The prepared damping and buffering material is tested to obtain the following performance parameters:
the thickness is 0.15 mm;
density 1.13g/cm3；
Compression set ratio: 6.0 percent;
the following performance parameters were obtained from tests on polyurethane foam in the prior art:
thickness: 0.15 mm;
density 0.78g/cm3；
Compression set ratio: 8.6 percent;
according to the invention, by limiting the composition of the damping and buffering material, compared with the existing polyurethane foam, the prepared damping and buffering material has the advantages of obviously improved density, reduced compression deformation rate and excellent damping and buffering performance.
The water-based polyurethane emulsion and the water-based polyacrylate are used as main raw materials, and other components and foaming ratio of the foaming material are limited, so that uniformly distributed bubbles are formed in the foaming material, and the closed porosity of the bubbles reaches over 80%, so that the prepared material has good shock absorption and shock absorption functions, and can be used for dust sealing, shock absorption buffering, elastic supporting and the like of electronic products.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims (6)

1. A manufacturing method of a carbon fiber reinforced damping buffer material based on a microcellular foaming technology is characterized by comprising the following steps: the damping and buffering material comprises a PET film and a foaming material arranged on a base material, wherein the foaming material comprises the following raw materials in parts by weight: 45-60 parts of aqueous polyurethane emulsion, 25-40 parts of aqueous polyacrylate, 5-8 parts of carbon fiber, 6-12 parts of foam stabilizer, 2-4 parts of foaming agent, 1-1.5 parts of sodium polyacrylate, 2-4 parts of polyethylene glycol, 0.5-0.8 part of isopropanolamine, 0.08-0.12 part of catalyst, 2.8-4.2 parts of cross-linking agent and 1.2-1.5 parts of thickening agent;
the foam stabilizer comprises the following raw materials in parts by weight: 5-10 parts of triethanolamine oleate soap, 5-8 parts of hydroxyethyl cellulose, 18-24 parts of polyether modified silicone oil, 10-16 parts of tartaric acid and 8-15 parts of lauroyl diethanolamine;
the foaming agent comprises the following raw materials in parts by weight: 8-12 parts of polysiloxane, 10-12 parts of sodium dodecyl benzene sulfonate, 3-5 parts of sodium hexametaphosphate, 12-18 parts of ethyl acetate and 1-3 parts of sodium dibutylnaphthalenesulfonate;
the manufacturing method comprises the following steps:
step one, pretreating a PET film: performing corona treatment on the PET film, then coating silicon wax on the surface of the PET film, and drying for later use;
step two, weighing and mixing the foaming material according to a proportion, controlling the foaming ratio to be 1:3-4 by an air foaming machine, and carrying out water-based foaming to prepare the foaming material;
and step three, coating the prepared foaming material on the pretreated PET film, and performing gradient drying to form the damping buffer material, wherein the drying temperature is 40-160 ℃.
2. The manufacturing method of the carbon fiber reinforced damping buffer material based on the microcellular foaming technology as claimed in claim 1, wherein: the cross-linking agent is isocyanate, aziridine or amino resin.
3. The manufacturing method of the carbon fiber reinforced damping buffer material based on the microcellular foaming technology as claimed in claim 1, wherein: the catalyst is triethylene diamine or stannous octoate.
4. The manufacturing method of the carbon fiber reinforced damping buffer material based on the microcellular foaming technology as claimed in claim 1, wherein: in the third step, the coating thickness of the foaming material is more than 150 um.
5. The manufacturing method of the carbon fiber reinforced damping buffer material based on the microcellular foaming technology as claimed in claim 1, wherein: the aqueous polyurethane emulsion is aromatic aqueous polyurethane emulsion, aliphatic aqueous polyurethane emulsion or modified aqueous polyurethane emulsion.
6. The manufacturing method of the carbon fiber reinforced damping buffer material based on the microcellular foaming technology as claimed in claim 1, wherein: and in the third step, the PET film coated with the foaming material is dried in a dryer, the dryer comprises eight drying ovens connected in sequence, and the temperatures of the eight drying ovens are gradually increased.
CN202010542606.3A 2020-06-15 2020-06-15 Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology Pending CN111607118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010542606.3A CN111607118A (en) 2020-06-15 2020-06-15 Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010542606.3A CN111607118A (en) 2020-06-15 2020-06-15 Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology

Publications (1)

Publication Number Publication Date
CN111607118A true CN111607118A (en) 2020-09-01

Family

ID=72204174

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010542606.3A Pending CN111607118A (en) 2020-06-15 2020-06-15 Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology

Country Status (1)

Country Link
CN (1) CN111607118A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114774032A (en) * 2022-05-11 2022-07-22 广东思泉新材料股份有限公司 Buffer and shock-absorbing heat dissipation foam and preparation method thereof
CN115305644A (en) * 2022-07-30 2022-11-08 苏州大乘环保新材有限公司 Permeable surface cloth for carbon fiber rainwater collection module and preparation method thereof
CN115678091A (en) * 2022-02-08 2023-02-03 广东思泉新材料股份有限公司 Acrylic foam and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134842A (en) * 2006-08-31 2008-03-05 拜尔材料科学有限公司 Low density rigid reinforced polyurethanes and a process for their production
CN102504688A (en) * 2011-11-23 2012-06-20 烟台万华聚氨酯股份有限公司 Water-borne polyurethane foam layer for synthetic leather and preparation method for water-borne polyurethane foam layer
CN102558495A (en) * 2011-11-28 2012-07-11 吴江明峰聚氨酯制品有限公司 Carbon-fiber-reinforced polyurethane foamed plastic and preparation method thereof
US20150128335A1 (en) * 2013-09-04 2015-05-14 Ghassan Dehni Flexible Polyurethane and Polyurethane/Polyorganosiloxane Foam Materials that Absorb Impact Energy
CN108219282A (en) * 2018-02-06 2018-06-29 董礼敏 A kind of damping polypropylene material and preparation method thereof
CN110105744A (en) * 2019-04-18 2019-08-09 四川大学 A kind of aqueous waterproof ventilated membrane of micropore, Waterproof are breathed freely textile and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134842A (en) * 2006-08-31 2008-03-05 拜尔材料科学有限公司 Low density rigid reinforced polyurethanes and a process for their production
CN102504688A (en) * 2011-11-23 2012-06-20 烟台万华聚氨酯股份有限公司 Water-borne polyurethane foam layer for synthetic leather and preparation method for water-borne polyurethane foam layer
CN102558495A (en) * 2011-11-28 2012-07-11 吴江明峰聚氨酯制品有限公司 Carbon-fiber-reinforced polyurethane foamed plastic and preparation method thereof
US20150128335A1 (en) * 2013-09-04 2015-05-14 Ghassan Dehni Flexible Polyurethane and Polyurethane/Polyorganosiloxane Foam Materials that Absorb Impact Energy
CN105992780A (en) * 2013-09-04 2016-10-05 G·德恩 Flexible polyurethane and polyurethane/polyorganosiloxane foam materials that absorb impact energy
CN108219282A (en) * 2018-02-06 2018-06-29 董礼敏 A kind of damping polypropylene material and preparation method thereof
CN110105744A (en) * 2019-04-18 2019-08-09 四川大学 A kind of aqueous waterproof ventilated membrane of micropore, Waterproof are breathed freely textile and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115678091A (en) * 2022-02-08 2023-02-03 广东思泉新材料股份有限公司 Acrylic foam and preparation method thereof
CN115678091B (en) * 2022-02-08 2024-02-27 广东思泉新材料股份有限公司 Acrylic foam and preparation method thereof
CN114774032A (en) * 2022-05-11 2022-07-22 广东思泉新材料股份有限公司 Buffer and shock-absorbing heat dissipation foam and preparation method thereof
CN115305644A (en) * 2022-07-30 2022-11-08 苏州大乘环保新材有限公司 Permeable surface cloth for carbon fiber rainwater collection module and preparation method thereof

Similar Documents

Publication Publication Date Title
CN111607118A (en) Manufacturing method of carbon fiber reinforced damping buffer material based on microcellular foaming technology
CN106519968A (en) Low-ice-adhesion anti-icing coating, and preparation method and application thereof
CN105238061A (en) Foaming silicone rubber compound, low-density silicone rubber sponge and preparing method of low-density silicone rubber sponge
CN104059242B (en) Preparation method of self-adhesion silicon rubber foam material
CN110564332B (en) Elastic pressure-sensitive adhesive layer, pressure-sensitive adhesive tape and preparation method of pressure-sensitive adhesive tape
CN107033321B (en) Waterborne polyurethane resin and preparation method thereof
CN105418881A (en) Polyurea foam material and preparation method thereof
CN114774032A (en) Buffer and shock-absorbing heat dissipation foam and preparation method thereof
CN106893466A (en) A kind of low temperature resistant wear-resistant polyurethane coating and preparation method thereof
CN106243321A (en) A kind of functional urethane elastomeric material and preparation method thereof
CN113174028B (en) All-water foaming polyurethane foam and preparation method and application thereof
CN115678091A (en) Acrylic foam and preparation method thereof
CN114426767A (en) Sheet molding compound and preparation method thereof
CN113024906A (en) Preparation method of viscoelastic damping material and velocity type viscoelastic damper prepared from viscoelastic damping material
CN113292764A (en) Compression-resistant polyurethane foam and preparation method thereof
CN108948312B (en) Styrene-acrylate oil-absorbing swelling elastomer
WO2020063004A1 (en) Method for surface treatment of composite materials, and coating composition and preparation method therefor
CN114315245B (en) Heat-insulating concrete and preparation process thereof
CN114015227B (en) Quick-curing slow-rebound acrylic foam and preparation method and application thereof
CN111005235A (en) Method for preparing leather base by using high-solid-content blocked polyurethane resin
CN113122178B (en) Adhesive and method suitable for interface bonding of glass fiber reinforced plastic heat-insulating material and hydroxyl-terminated propellant
CN113980425B (en) Foam filler and preparation method thereof
CN113150345B (en) High-strength moisture-proof polyurethane molded plate and preparation method thereof
CN113943544A (en) Water-based environment-friendly adhesive and preparation method thereof
CN108192073B (en) Buffer material capable of being used in wide temperature range and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200901

RJ01 Rejection of invention patent application after publication