CN111205017A - Light resin material and forming process thereof - Google Patents
Light resin material and forming process thereof Download PDFInfo
- Publication number
- CN111205017A CN111205017A CN202010111955.XA CN202010111955A CN111205017A CN 111205017 A CN111205017 A CN 111205017A CN 202010111955 A CN202010111955 A CN 202010111955A CN 111205017 A CN111205017 A CN 111205017A
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- CN
- China
- Prior art keywords
- parts
- light
- resin
- whisker
- lightweight
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
Abstract
A light resin material and a molding process thereof are disclosed, wherein the material comprises the following components in parts by mass: resin matrix: 40-55 parts; powdery filler: 40-55 parts; light foamed particles: 1-2 parts; silicon dioxide: 0.3-1.5 parts; whisker: 1-10 parts; wherein the powdery filler is calcium carbonate, calcium sulfate, calcium oxide, aluminum oxide or aluminum hydroxide; the whisker is calcium sulfate whisker, potassium titanate whisker or zinc oxide whisker. The light resin material adopts resin as a matrix, fills light foaming particles to generate a material with a brand new structure, has a honeycomb structure, improves the overall strength of the material, reduces the density of the material, is convenient to carry and install, has the advantages of simple operation, repeated utilization, low cost, good size stability and the like, replaces wood with plastic, and is used for products which need to be light and have low strength requirement. The invention is energy-saving, environment-friendly, pollution-free and easy to operate, use and obtain.
Description
Technical Field
The invention belongs to the technical field of resin materials, and particularly relates to a light resin material and a forming process thereof.
Background
The existing wood is processed according to a digifax by a numerical control processing center and then used by an epoxy resin daub mould. The main problems and disadvantages are:
1. for large-size products, the production and processing are inconvenient; and the cost is high.
2. When the product exceeds three meters, the product needs to be spliced, the whole weight is large, and the transportation and the carrying are inconvenient.
3. The existing wood used as the material has the disadvantages of large water absorption, long time and large deformation.
Disclosure of Invention
The invention adopts epoxy resin as a matrix and is formed by filling light foaming particles, thereby improving the overall strength of the material and reducing the density of the material.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a light resin material, which comprises the following components in parts by weight:
matrix: 40-55 parts;
powdery filler: 40-55 parts;
light foamed particles: 1-2 parts;
silicon dioxide: 0.3-1.5 parts;
whisker: 1-10 parts;
wherein the powdery filler is calcium carbonate, calcium sulfate, calcium oxide, aluminum oxide or aluminum hydroxide; the whisker is calcium sulfate whisker, potassium titanate whisker or zinc oxide whisker.
Preferably, the matrix is a cured product of epoxy resin and a curing agent I, or a mixture of unsaturated resin, a curing agent II and an accelerator.
Preferably, the epoxy resin is E44 or E51.
Preferably, the curing agent I is an amine curing agent.
Preferably, the unsaturated resin is a vinyl resin.
Preferably, the curing agent II of the unsaturated resin is cyclohexanone peroxide, dibenzoyl peroxide, methyl ethyl ketone peroxide, methyl isobutyl ketone peroxide, benzoyl peroxide, cumene hydroperoxide, tert-butyl hydroperoxide, 2, 4-dichlorobenzoyl peroxide or lauroyl peroxide.
The accelerant is cobalt iso-octoate, cobalt naphthenate, butyltin dilaurate or stannous octoate.
Preferably, the particle size of the powdery filler is 0.015-0.100 mm.
Preferably, the light foam particles are PS foam particles, and the particle size is 2-5 mm.
A molding process of a light resin material comprises the following steps:
(1) weighing the components according to the parts of claim 1;
(2) adding the powdery filler into the resin matrix, and uniformly stirring;
(3) adding silicon dioxide and whiskers into the step (2), and uniformly mixing, wherein the initial viscosity is 6000-15000 mpa.S;
(4) adding the light foam particles into the mixture obtained in the step (3), uniformly mixing, and ensuring that each light foam particle is uniformly bonded with the resin matrix to form a light resin material;
(5) adding the light resin material uniformly mixed in the step (4) into a prefabricated model cavity, and molding;
(6) and (3) carrying out a cooling solidification process: curing for 48 hours at the room temperature of 10-30 ℃.
Preferably, the light resin material added to the product cavity in the step (5) discharges air bubbles inside by pressing the surface thereof.
The invention has the beneficial effects that:
1. the light resin material adopts resin as a matrix, fills light foaming particles to generate a material with a brand new structure, has a honeycomb structure, improves the overall strength of the material, reduces the density of the material, is convenient to carry and install, has the characteristics of simple operation, repeated utilization, low cost, good size stability and the like, and solves a plurality of problems for the production of wood products and large-size products.
2. The application of the light resin material greatly improves the production efficiency, reduces the production cost, can be recycled, avoids waste, is energy-saving and environment-friendly, has no pollution, and is easier to operate, use and obtain.
3. The invention is easy to process and does not generate much dust. When the processing is wrong, the secondary heating remodeling can be carried out, thereby saving time and labor. Light weight and convenient carrying. The light resin material has very low abrasion to the numerical control equipment cutter in the processing process.
4. The light resin material can completely replace wood.
Detailed Description
The present invention will be described in detail with reference to examples.
Example 1: the invention relates to a light resin material, which comprises the following components in parts by weight:
matrix: 40-55 parts;
powdery filler: 40-55 parts;
light foamed particles: 1-2 parts;
silicon dioxide: 0.3-1.5 parts;
whisker: 1-10 parts;
the base in this example is 40 parts; powdery filler: 40 parts of a mixture; light foamed particles: 1 part; silicon dioxide: 0.3 part; whisker: 1 part; wherein the powdery filler is calcium carbonate, calcium sulfate, calcium oxide, aluminum oxide or aluminum hydroxide; the whisker is calcium sulfate whisker, potassium titanate whisker or zinc oxide whisker.
The matrix is a cured product of epoxy resin and a curing agent I. Wherein the epoxy resin is E44 or E51. The curing agent I is an amine curing agent, such as alicyclic amine or aliphatic amine.
The particle size of the powdery filler is 0.015-0.100 mm.
The light foam particles are PS foam particles, and the particle size is 2-5 mm.
A process for molding the light-weight resin material as claimed in claim 1, comprising the steps of:
(1) weighing the components according to the parts of claim 1;
(2) adding the powdery filler into the resin matrix, and uniformly stirring;
(3) adding silicon dioxide and whiskers into the step (2), and uniformly mixing, wherein the initial viscosity is 6000-15000 mpa.S;
(4) adding the light foam particles into the mixture obtained in the step (3), uniformly mixing, ensuring that each light foam particle is uniformly bonded with the resin matrix, wherein no redundant resin matrix exists in the system, and the resin matrix is completely bonded on the surfaces of the foam particles to form a light resin material;
(5) filling the light resin material uniformly mixed in the step (4) into a prefabricated product cavity, and forming;
(6) and (3) carrying out a cooling solidification process: curing for 48 hours at the room temperature of 10-30 ℃.
Wherein: and (5) filling the light resin material into the product cavity in the step (5), pressing the surface of the product cavity by adopting hard cubic materials such as bricks and the like, so that the combination of the light resin material is more compact, and air bubbles in the product cavity are discharged.
The light resin material can be recycled after being used, all the light resin materials can be recycled, and the light resin material has long service life with the wood currently used in the market and is convenient to transport and use.
Example 2: the difference between this example and example 1 is: the base in this example was 55 parts; 55 parts of a powdery filler; 2 parts of light foaming particles; 1.5 parts of silicon dioxide; 10 parts of whisker; the matrix in this example is a mixture of unsaturated resin, curing agent II and accelerator. Wherein the unsaturated resin is a vinyl resin. The curing agent II of the unsaturated resin is cyclohexanone peroxide, dibenzoyl peroxide or methyl ethyl ketone peroxide; the accelerant is cobalt isooctanoate or cobalt naphthenate. The light resin material formed according to the process steps of the embodiment 1 has a honeycomb structure, improves the overall strength of the material, reduces the density of the material, can be recycled, has long service life, is convenient to carry and mount, and is energy-saving and environment-friendly.
Example 3: the difference between this example and example 2 is: the base in this example is 50 parts; 45 parts of a powdery filler; 1.5 parts of light foaming particles; 1 part of silicon dioxide; 5 parts of whisker; the matrix in this example is a mixture of unsaturated resin, curing agent II and accelerator. The curing agent II of the unsaturated resin is methyl ethyl ketone peroxide, methyl isobutyl ketone peroxide or benzoyl peroxide; the accelerant is butyltin dilaurate or stannous octoate. The light resin material formed by the embodiment has a honeycomb structure, improves the overall strength of the material, reduces the density of the material, can be recycled, has long service life, is convenient to carry and mount, and is energy-saving and environment-friendly.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (10)
1. A lightweight resin material characterized by: the components are calculated according to the parts by weight:
matrix: 40-55 parts;
powdery filler: 40-55 parts;
light foamed particles: 1-2 parts;
silicon dioxide: 0.3-1.5 parts;
whisker: 1-10 parts;
wherein the powdery filler is calcium carbonate, calcium sulfate, calcium oxide, aluminum oxide or aluminum hydroxide; the whisker is calcium sulfate whisker, potassium titanate whisker or zinc oxide whisker.
2. The lightweight resinous material as claimed in claim 1, wherein: the matrix is a cured product of epoxy resin and a curing agent I, or a mixture of unsaturated resin, a curing agent II and an accelerator.
3. The lightweight resinous material as claimed in claim 2, wherein: the epoxy resin is E44 or E51; the curing agent I is an amine curing agent.
4. The lightweight resinous material as claimed in claim 2, wherein: the unsaturated resin is vinyl resin.
5. The lightweight resinous material as claimed in claim 2, wherein: the curing agent II of the unsaturated resin is cyclohexanone peroxide, dibenzoyl peroxide, methyl ethyl ketone peroxide, methyl isobutyl ketone peroxide, benzoyl peroxide, cumene hydroperoxide, tert-butyl hydroperoxide, 2, 4-dichlorobenzoyl peroxide or lauroyl peroxide.
6. The lightweight resinous material as claimed in claim 1, wherein: the accelerant is cobalt iso-octoate, cobalt naphthenate, butyltin dilaurate or stannous octoate.
7. The lightweight resinous material as claimed in claim 1, wherein: the particle size of the powdery filler is 0.015-0.100 mm.
8. The lightweight resinous material as claimed in claim 1, wherein: the light foam particles are PS foam particles, and the particle size is 2-5 mm.
9. A process for molding a lightweight resin material as claimed in claim 1, wherein: the method comprises the following steps:
(1) weighing the components according to the parts of claim 1;
(2) adding the powdery filler into the resin matrix, and uniformly stirring;
(3) adding silicon dioxide and whiskers into the step (2), and uniformly mixing, wherein the initial viscosity is 6000-15000 mpa.S;
(4) adding the light foam particles into the mixture obtained in the step (3), uniformly mixing, and ensuring that each light foam particle is uniformly bonded with the resin matrix to form a light resin material;
(5) adding the light resin material uniformly mixed in the step (4) into a prefabricated model cavity, and molding;
(6) and (3) carrying out a cooling solidification process: curing for 48 hours at the room temperature of 10-30 ℃.
10. A process for molding a lightweight resin material as claimed in claim 9, wherein: and (5) discharging internal air bubbles by pressing the surface of the light resin material filled into the product cavity in the step (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111955.XA CN111205017A (en) | 2020-02-24 | 2020-02-24 | Light resin material and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010111955.XA CN111205017A (en) | 2020-02-24 | 2020-02-24 | Light resin material and forming process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111205017A true CN111205017A (en) | 2020-05-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010111955.XA Pending CN111205017A (en) | 2020-02-24 | 2020-02-24 | Light resin material and forming process thereof |
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| Country | Link |
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| CN (1) | CN111205017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804720A (en) * | 2022-06-17 | 2022-07-29 | 泉州海日星工艺美术有限公司 | Production method of resin for artware |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130076733A (en) * | 2011-12-28 | 2013-07-08 | 제일모직주식회사 | Polyester resin composition having yellowing resistance and high impact strength |
| CN105462281A (en) * | 2015-12-25 | 2016-04-06 | 东风商用车有限公司 | Hybrid reinforced sheet molding compound and preparation method thereof |
| CN110218418A (en) * | 2019-06-26 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of lightweight epoxy resin composite material, preparation method and application |
-
2020
- 2020-02-24 CN CN202010111955.XA patent/CN111205017A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130076733A (en) * | 2011-12-28 | 2013-07-08 | 제일모직주식회사 | Polyester resin composition having yellowing resistance and high impact strength |
| CN105462281A (en) * | 2015-12-25 | 2016-04-06 | 东风商用车有限公司 | Hybrid reinforced sheet molding compound and preparation method thereof |
| CN110218418A (en) * | 2019-06-26 | 2019-09-10 | 美瑞新材料股份有限公司 | A kind of lightweight epoxy resin composite material, preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114804720A (en) * | 2022-06-17 | 2022-07-29 | 泉州海日星工艺美术有限公司 | Production method of resin for artware |
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Application publication date: 20200529 |