CN104974323A - Production mould of concrete decoration material - Google Patents
Production mould of concrete decoration material Download PDFInfo
- Publication number
- CN104974323A CN104974323A CN201510366290.6A CN201510366290A CN104974323A CN 104974323 A CN104974323 A CN 104974323A CN 201510366290 A CN201510366290 A CN 201510366290A CN 104974323 A CN104974323 A CN 104974323A
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- CN
- China
- Prior art keywords
- functionality
- molecular weight
- production mould
- polyether glycol
- finishing material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a production mould of a concrete decoration material, which is characterized by being prepared by the following steps: mixing prepolymer and polymer according to a ratio of 1:1, defoaming, then casting on the surface of a mould, and demoulding at a room temperature after 3 to 5 hours so as to obtain the production mould. The prepolymer comprises 25 to 35 wt% of diisocyanate and 65 to 75 wt% of polyol. The polymer comprises the following components in percentage by weight: 10 to 20% of polyether polyol with a molecular weight of 1000 to 3000 and a functionality of 2, 60 to 70% of polyether polyol with a molecular weight of 4000 to 6000 and a functionality of 3, 8 to 20% of 1,4-butylene glycol, 0.1 to 1.0% of catalyst, 0.3 to 0.8% of antioxidant, and 0.3 to 0.8% of UV ray absorbent. The concrete decoration material can replace the conventional room temperature cured silicone rubber and has the advantages of good wear resistant property, high tearing strength, high breaking elongation rate, good demoulding property, and long service life.
Description
Technical field
The present invention relates to concrete finishing material production unit technical field, specifically relate to a kind of production mould of concrete finishing material.
Background technology
Along with concrete finishing material is applied to building decoration of exterior wall more and more.The mould making concrete finishing material requires also more and more higher, and the mould of concrete finishing material in the market generally adopts made by the silicon rubber of double-component cold curing.But this kind of mould tear strength made by silicon rubber is low, and elongation at break is low, and work-ing life is short.
Summary of the invention
The one that object of the present invention is exactly deficiency in order to solve prior art and provides not only structure is simple, and wear resistance is good, and tear strength is high, and elongation at break is high, and release property is good, the production mould of the concrete finishing material of long service life.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of production mould of concrete finishing material, it is characterized in that, it gets performed polymer and polymkeric substance according to after the ratio mixing of 1:1, and deaeration is cast in die surface, and the demoulding is made after room temperature 3-5 hour;
Performed polymer component calculates with massfraction and comprises vulcabond 25-35%, polyvalent alcohol 65-75%;
Polymkeric substance calculates with massfraction and comprises molecular weight 1000-3000, functionality is the polyether glycol 10-20% of 2, molecular weight 4000-6000, functionality be 3 polyether glycol 60-70%, Isosorbide-5-Nitrae butyleneglycol 8%-20%, catalyzer 0.1%-1.0%, oxidation inhibitor 0.3-0.8%, UV light absorber 0.3-0.8%.
Further illustrating as such scheme, described performed polymer is that vulcabond and polyvalent alcohol are obtained by reacting the prepolymer of NCO%=5-9% at 70 DEG C-90 DEG C.
Described vulcabond is selected from the liquefied mdi of MDI, MDI-50, Carbodiimide-Modified, and their mixture.
Described polyvalent alcohol adopts functionality within the scope of molecular weight 1000-3000 to be polyether glycol and their mixture of 2.
Preferably, described polyvalent alcohol adopts molecular weight to be 2000, and functionality is the polyether glycol of 2.
Further, described polymkeric substance calculates to comprise with massfraction to select molecular weight 1000-3000, functionality is the polyether glycol 10-20% of 2, molecular weight 4000-6000, functionality is the polyether glycol 60-70%, 1 of 3,4 butyleneglycol 8%-20%, catalyzer 0.1%-1.0%, oxidation inhibitor 0.5%, UV light absorber 0.5% are 100 DEG C-120 DEG C in temperature, and air pressure is the polymkeric substance obtained lower than 0.05% to moisture content that dewaters under the environment of-0.1Mpa.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
The present invention adopts the flexible polyurethane material of double-component cold curing, and wear resistance is good, and tear strength is high, and elongation at break is high, and release property is good, long service life, can obtain good social benefit with the two-component silicone rubber of its alternative self-vulcanizing.
Embodiment
The present invention is a kind of production mould of concrete finishing material, and it gets performed polymer and polymkeric substance according to after the ratio mixing of 1:1, and deaeration is cast in die surface, and the demoulding is made after room temperature 3-5 hour; Performed polymer component calculates with massfraction and comprises vulcabond 25-35%, polyvalent alcohol 65-75%;
Polymkeric substance calculates to comprise with massfraction selects molecular weight 1000-3000, functionality is the polyether glycol 10-20% of 2, molecular weight 4000-6000, functionality be 3 polyether glycol 60-70%, Isosorbide-5-Nitrae butyleneglycol 8%-20%, catalyzer 0.1%-1.0%, oxidation inhibitor 0.3-0.8%, UV light absorber 0.3-0.8%.
Described performed polymer is that vulcabond and polyvalent alcohol are obtained by reacting the prepolymer of NCO%=5-9% at 70 DEG C-90 DEG C.Vulcabond is selected from the liquefied mdi of MDI, MDI-50, Carbodiimide-Modified, and their mixture.Polyvalent alcohol adopts functionality within the scope of molecular weight 1000-3000 to be polyether glycol and their mixture of 2.
Below in conjunction with specific embodiment, the technical program is explained in detail.
Embodiment 1
In the present embodiment, choose the concrete product needing to do mould, clean and blow away the dust on surface, get performed polymer after drying and polymkeric substance stirs according to the ratio of 1:1, be cast on die surface after deaeration; The demoulding after room temperature 3-5 hour, the polyurethane mould deviate from is as the forming mould of concrete finishing material.
Described performed polymer component calculates with massfraction and comprises vulcabond 28%, polyvalent alcohol 72%;
Described polymkeric substance calculates with massfraction to comprise molecular weight 2000, functionality is the polyether glycol 10% of 2, molecular weight 5000, functionality is the polyether glycol 70%, 1 of 3,4 butyleneglycols 18.5%, catalyzer 0.5%, oxidation inhibitor 0.5%, UV light absorber 0.5% are 110 DEG C in temperature, and air pressure is the polymkeric substance obtained lower than 0.05% to moisture content that dewaters under the environment of-0.1Mpa.
Embodiment 2
In the present embodiment, described performed polymer component calculates with massfraction and comprises vulcabond 30%, polyvalent alcohol 70%;
Polymkeric substance calculates with massfraction to comprise molecular weight 3000, functionality is the polyether glycol 15% of 2, molecular weight 5000, functionality is the polyether glycol 65%, 1 of 3,4 butyleneglycols 18%, catalyzer 1%, oxidation inhibitor 0.5%, UV light absorber 0.5% are 120 DEG C in temperature, and air pressure is the polymkeric substance obtained lower than 0.05% to moisture content that dewaters under the environment of-0.1Mpa.
The present invention adopts the flexible polyurethane material of double-component cold curing, and wear resistance is good, and tear strength is high, and elongation at break is high, and release property is good, long service life, and with the two-component silicone rubber of its alternative self-vulcanizing, it has significant progress.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (6)
1. a production mould for concrete finishing material, is characterized in that, it gets performed polymer and polymkeric substance according to after the ratio mixing of 1:1, and deaeration is cast in die surface, and the demoulding is made after room temperature 3-5 hour;
Performed polymer component calculates with massfraction and comprises vulcabond 25-35%, polyvalent alcohol 65-75%;
Polymkeric substance calculates with massfraction and comprises molecular weight 1000-3000, functionality is the polyether glycol 10-20% of 2, molecular weight 4000-6000, functionality be 3 polyether glycol 60-70%, Isosorbide-5-Nitrae butyleneglycol 8%-20%, catalyzer 0.1%-1.0%, oxidation inhibitor 0.3-0.8%, UV light absorber 0.3-0.8%.
2. the production mould of concrete finishing material according to claim 1, is characterized in that, described performed polymer is that vulcabond and polyvalent alcohol are obtained by reacting the prepolymer of NCO%=5-9% at 70 DEG C-90 DEG C.
3. the production mould of concrete finishing material according to claim 1, is characterized in that, described vulcabond is selected from the liquefied mdi of MDI, MDI-50, Carbodiimide-Modified, and their mixture.
4. the production mould of concrete finishing material according to claim 1, is characterized in that, described polyvalent alcohol adopts functionality within the scope of molecular weight 1000-3000 to be polyether glycol and their mixture of 2.
5. the production mould of concrete finishing material according to claim 1, is characterized in that, described polyvalent alcohol adopts molecular weight to be 2000, and functionality is the polyether glycol of 2.
6. the production mould of concrete finishing material according to claim 1, it is characterized in that, described polymkeric substance calculates to comprise with massfraction to select molecular weight 1000-3000, functionality is the polyether glycol 10-20% of 2, molecular weight 4000-6000, functionality is the polyether glycol 60-70%, 1 of 3,4 butyleneglycol 8%-20%, catalyzer 0.1%-1.0%, oxidation inhibitor 0.5%, UV light absorber 0.5% are 100 DEG C-120 DEG C in temperature, and air pressure is the polymkeric substance obtained lower than 0.05% to moisture content that dewaters under the environment of-0.1Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510366290.6A CN104974323A (en) | 2015-06-26 | 2015-06-26 | Production mould of concrete decoration material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510366290.6A CN104974323A (en) | 2015-06-26 | 2015-06-26 | Production mould of concrete decoration material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104974323A true CN104974323A (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510366290.6A Pending CN104974323A (en) | 2015-06-26 | 2015-06-26 | Production mould of concrete decoration material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104974323A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236112A (en) * | 2017-07-14 | 2017-10-10 | 宿州典跃新型建筑材料有限公司 | A kind of manufacture craft of concrete moulding resin template |
| CN111196870A (en) * | 2018-11-19 | 2020-05-26 | 北京市建筑工程研究院有限责任公司 | Low-hardness high-wear-resistance polyurethane soft mold lining material and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| CN1927604A (en) * | 2006-10-11 | 2007-03-14 | 北京中建柏利工程技术发展有限公司 | Polyurethane decoration concrete lining mould and manufacture and construction method thereof |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
| CN104220188A (en) * | 2012-03-23 | 2014-12-17 | 旭有机材工业株式会社 | Urethane-type curable organic binder for mold, and molding sand composition and mold obtained using same |
| CN104448791A (en) * | 2014-12-19 | 2015-03-25 | 山东一诺威聚氨酯股份有限公司 | High-rigidity transparent polyurethane elastomer and preparation method thereof |
-
2015
- 2015-06-26 CN CN201510366290.6A patent/CN104974323A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1927604A (en) * | 2006-10-11 | 2007-03-14 | 北京中建柏利工程技术发展有限公司 | Polyurethane decoration concrete lining mould and manufacture and construction method thereof |
| CN101550327A (en) * | 2008-04-03 | 2009-10-07 | 航天材料及工艺研究所 | High hardness high-toughness polyurethane casting compound and application thereof |
| CN104220188A (en) * | 2012-03-23 | 2014-12-17 | 旭有机材工业株式会社 | Urethane-type curable organic binder for mold, and molding sand composition and mold obtained using same |
| CN104448791A (en) * | 2014-12-19 | 2015-03-25 | 山东一诺威聚氨酯股份有限公司 | High-rigidity transparent polyurethane elastomer and preparation method thereof |
Non-Patent Citations (6)
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| 傅明源: "《聚氨酯弹性体及其应用》", 30 November 2005 * |
| 刘益军: "《聚氨酯树脂及其应用》", 30 November 2011 * |
| 徐峰等: "《涂膜防水材料与应用》", 31 August 2006 * |
| 胡翘楚 等: "聚氨酯模具胶的研制", 《中国聚氨酯工业协会第十六次年会论文集》 * |
| 贾林才 等: "混凝土模具用聚氨酯弹性体的研制", 《中国聚氨酯工业协会第十一次年会论文集》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107236112A (en) * | 2017-07-14 | 2017-10-10 | 宿州典跃新型建筑材料有限公司 | A kind of manufacture craft of concrete moulding resin template |
| CN111196870A (en) * | 2018-11-19 | 2020-05-26 | 北京市建筑工程研究院有限责任公司 | Low-hardness high-wear-resistance polyurethane soft mold lining material and preparation method thereof |
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Application publication date: 20151014 |