CN106810846A - A kind of new organo-mineral complexing GRC components and preparation method thereof - Google Patents
A kind of new organo-mineral complexing GRC components and preparation method thereof Download PDFInfo
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- CN106810846A CN106810846A CN201710111164.5A CN201710111164A CN106810846A CN 106810846 A CN106810846 A CN 106810846A CN 201710111164 A CN201710111164 A CN 201710111164A CN 106810846 A CN106810846 A CN 106810846A
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- grc
- components
- mineral complexing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of new organo-mineral complexing GRC components and preparation method thereof, the compound GRC components are prepared from by the raw material of following parts by weight：40~50 parts of base polyurethane prepolymer for use as；4~6 parts of amine curing agent；30~50 parts of calcium carbonate；3~5 parts of wood fibre；3~5 parts of graphite powder；3~5 parts of magnesium hydroxide；0~2 part of gas absorbent.Compound GRC component qualities obtained by the present invention are light, safer less than the weight of traditional GRC 1/4, and intensity is big, simple installation；Decoration function is played while having water proof thermal insulation function concurrently；It is resistance to ultraviolet ageing-resistant, long service life；Deform small, the problem for thoroughly overcoming traditional GRC components easy to crack.
Description
Technical field
The present invention relates to field of material preparation, and in particular to a kind of new organo-mineral complexing GRC components and its preparation side
Method.
Background technology
With the fast development of China's economic, domestic real estate market scale significantly increases, particularly economical at some
Developed regions, the class of architectural design and the fastidious of materials also have and significantly improve, and occur in that many imitative European styles
Building, these buildings widely apply various patterns colonnade, bear down on one, the prefabricated components such as gate arch carry out the outer vertical of beautifying constructure
Face, and the making of these prefabricated components is typically by GRC (Glass fiber Reinforced Cement, glass fiber reinforcement
Cement) component construction completes.
Used as a kind of fiber cement composites, its outstanding feature is with good tension and rupture strength, especially to GRC
It is preferable toughness, and this material is particularly suitable for making decorative model and for showing strong texture.Material collection intensity is high,
Long lifespan (for 50 years), fire-resistance, the indeformable, demoulding are fast, the low various advantages of cost are in one, the product made of it
With moulding it is true to nature, raw material is easily purchased, it is simple to make, it is with short production cycle, the features such as.Meanwhile, prefabricated components technology is improving house
The remarkable advantage such as the efficiency of construction, the total quality for improving house, reduces cost, reduction material consumption and energy consumption, has obtained both at home and abroad
Actively expand and apply.
However, the use ratio of tradition GRC construction materials cement and aggregate in process of production is larger, thus material is extremely
Heaviness, makes troubles to transport and installation.In addition, if fiber skewness or maintenance are improper in production process, product is done
Crackle is there is also during contracting, so as to have a strong impact on product appearance effect and durability, service life shortens, in certain journey
The promotion and application of the technology are constrained on degree, and existing GRC builds and does not possess water proof thermal insulation function.
The content of the invention
To solve the above problems, the invention provides a kind of new organo-mineral complexing GRC components and preparation method thereof, matter
Amount is light, safer less than the weight of traditional GRC 1/4, and intensity is big, simple installation；Decoration function is played while having concurrently waterproof thermal-insulated
Function；It is resistance to ultraviolet ageing-resistant, long service life；Deform small, the problem for thoroughly overcoming traditional GRC components easy to crack.
To achieve the above object, the technical scheme taken of the present invention is：
A kind of new organo-mineral complexing GRC components, are prepared from by the raw material of following parts by weight：
The base polyurethane prepolymer for use as is polyurethane semi-finished product；The amine curing agent is diethylenetriamine；The gas
Absorbent is carbon black.
Present invention also offers a kind of preparation method of new organo-mineral complexing GRC components, comprise the following steps：
S1, weigh each component by above-mentioned formula；
S2, the calcium carbonate that will be weighed, wood fibre, graphite powder, magnesium hydroxide, gas absorbent are added to polyurethane prepolymer
In body, stir, obtain B material；
S3, it is A material with amine curing agent, prepares mould, and brushing releasing agent falls gained A material, B material mixing in 40s
In entering mould, extrusion forming, 20min can the demoulding, obtain component.
The invention has the advantages that：
The compound GRC component qualities of gained are light, safer less than the weight of traditional GRC 1/4, and intensity is big, simple installation；Rise
Water proof thermal insulation function is had concurrently to decoration function simultaneously；It is resistance to ultraviolet ageing-resistant, long service life；Deformation is small, thoroughly overcomes traditional GRC
Component problem easy to crack；Compound GRC component densities >=600kg/m obtained by after testing3；Compression strength >=5000KPa (pressure
Contracting is 10%)；Rupture strength >=6000KPa (span 100mm)；Water absorption rate≤1.8% (water suction 96h)；Xenon lamp aging 1000h is without powder
Change, without peeling；Thermal conductivity factor≤0.04W/ (mK).
Specific embodiment
In order that objects and advantages of the present invention become more apparent, the present invention is carried out further with reference to embodiments
Describe in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
In following examples, the base polyurethane prepolymer for use as being used as polyurethane semi-finished product；The amine curing agent is two
Ethene triamine；The gas absorbent is carbon black.
Embodiment 1
A kind of new organo-mineral complexing GRC components, are prepared from by the raw material of following parts by weight：
Embodiment 2
A kind of new organo-mineral complexing GRC components, it is characterised in that be prepared from by the raw material of following parts by weight：
Embodiment 3
A kind of new organo-mineral complexing GRC components, it is characterised in that be prepared from by the raw material of following parts by weight：
Embodiment 4
A kind of preparation method of new organo-mineral complexing GRC components, comprises the following steps：
S1, weigh each component by above-mentioned formula；
S2, the calcium carbonate that will be weighed, wood fibre, graphite powder, magnesium hydroxide, gas absorbent are added to polyurethane prepolymer
In body, stir, obtain B material；
S3, it is A material with amine curing agent, prepares mould, and brushing releasing agent falls gained A material, B material mixing in 40s
In entering mould, extrusion forming, 20min can the demoulding, obtain component.
The testing result of the present embodiment products obtained therefrom see the table below：
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of new organo-mineral complexing GRC components, it is characterised in that be prepared from by the raw material of following parts by weight：
The base polyurethane prepolymer for use as is polyurethane semi-finished product；The amine curing agent is diethylenetriamine；The gas absorbs
Agent is carbon black.
2. a kind of preparation method of new organo-mineral complexing GRC components as claimed in claim 1, it is characterised in that including
Following steps：
S1, the formula as described in claim 1 weigh each component；
S2, the calcium carbonate that will be weighed, wood fibre, graphite powder, magnesium hydroxide, gas absorbent are added to base polyurethane prepolymer for use as
In, stir, obtain B material；
S3, it is A material with amine curing agent, prepares mould, gained A material, B material mixing is poured into mould by and brushing releasing agent in 40s
In tool, extrusion forming, 20min can the demoulding, obtain component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111164.5A CN106810846A (en) | 2017-02-27 | 2017-02-27 | A kind of new organo-mineral complexing GRC components and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710111164.5A CN106810846A (en) | 2017-02-27 | 2017-02-27 | A kind of new organo-mineral complexing GRC components and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106810846A true CN106810846A (en) | 2017-06-09 |
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ID=59112079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710111164.5A Pending CN106810846A (en) | 2017-02-27 | 2017-02-27 | A kind of new organo-mineral complexing GRC components and preparation method thereof |
Country Status (1)
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356867A (en) * | 1999-06-22 | 2002-07-03 | 希乐克公司 | Texturized cellulosic and lignocellulosic materials and compositions and composites made therefrom |
| CN104497554A (en) * | 2015-01-05 | 2015-04-08 | 孟红琳 | Preparation method of weatherproof polyurethane thermal insulation wall material |
| CN105637036A (en) * | 2013-08-13 | 2016-06-01 | 能源实验室2000有限公司 | Process for the preparation of lignin based polyurethane products |
-
2017
- 2017-02-27 CN CN201710111164.5A patent/CN106810846A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356867A (en) * | 1999-06-22 | 2002-07-03 | 希乐克公司 | Texturized cellulosic and lignocellulosic materials and compositions and composites made therefrom |
| CN105637036A (en) * | 2013-08-13 | 2016-06-01 | 能源实验室2000有限公司 | Process for the preparation of lignin based polyurethane products |
| CN104497554A (en) * | 2015-01-05 | 2015-04-08 | 孟红琳 | Preparation method of weatherproof polyurethane thermal insulation wall material |
Non-Patent Citations (1)
| Title |
|---|
| 徐（XU.J）编著: "《微孔塑料注射成型技术》", 28 February 2013, 机械工业出版社 * |
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| 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: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |