CN103601438B - Epoxy polyurethane complex cement base sound barrier panel and preparation method thereof - Google Patents
Epoxy polyurethane complex cement base sound barrier panel and preparation method thereof Download PDFInfo
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- CN103601438B CN103601438B CN201310514758.2A CN201310514758A CN103601438B CN 103601438 B CN103601438 B CN 103601438B CN 201310514758 A CN201310514758 A CN 201310514758A CN 103601438 B CN103601438 B CN 103601438B
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Abstract
The invention discloses epoxy polyurethane complex cement base sound barrier panel and preparation method thereof.Wherein epoxy polyurethane complex cement base sound barrier panel is made up of the component of following parts by weight: cement 12 ~ 18 parts, fine sand 50 ~ 68 parts, 2 ~ 3 parts, water, hardening accelerator 0.2 ~ 0.4 part, water reducer 0.1 ~ 0.3 part, fortifying fibre 2 ~ 5 parts, aqueous epoxy resins 5 ~ 12 parts, aqueous epoxy resin curing agent 4 ~ 10 parts, aqueous polyurethane 3 ~ 8 parts.The present invention carries out modification by use urethane and aqueous epoxy resins to sound barrier surface layer cement-based material, carries out mutually filling forming matrix material with the solidification of the aquation of cement and macromolecular material simultaneously.The panel made has that volumetric shrinkage is little, bending resistance, antidetonation, impervious, the advantage such as cracking resistance and good endurance.
Description
Technical field
The present invention relates to a kind of epoxy polyurethane complex cement base sound barrier panel and preparation method thereof.
Background technology
Along with the develop rapidly of China railways, road construction and Urban traffic, bring trip convenient while, also brought a large amount of traffic noise pollutions.People are adopting various measure to reduce traffic noise always, and sound barrier technology is the very simple and effective noise-reduction method of one.But cement based sound barrier panel, sound barrier surface produces tiny crack sometimes under field conditions (factors), easily comes off, weather resistance and shock resistance poor, the shortcomings such as easy fracture.Its use range is very limited.Adopt aqueous polyurethane and aqueous epoxy resins to carry out modification to sound barrier surface layer cement-based material, improve the volume stability of sound barrier surface layer, strengthen the performances such as the bending resistance of sound barrier surface layer, antidetonation, impervious and cracking resistance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of epoxy polyurethane complex cement base sound barrier panel.
The another one technical problem that the present invention will solve is to provide a kind of preparation method of epoxy polyurethane complex cement base sound barrier panel.
For epoxy polyurethane complex cement base sound barrier panel, the technical solution used in the present invention is: be made up of the component of following parts by weight:
Cement 12 ~ 18 parts, fine sand 50 ~ 68 parts, 2 ~ 3 parts, water, hardening accelerator 0.2 ~ 0.4 part, water reducer 0.1 ~ 0.3 part, fortifying fibre 2 ~ 5 parts, aqueous epoxy resins 5 ~ 12 parts, aqueous epoxy resin curing agent 4 ~ 10 parts, aqueous polyurethane 3 ~ 8 parts;
Wherein, aqueous epoxy resins is one or both and above mixture of E-20 emulsion, E-44 emulsion and E-51 emulsion; Aqueous polyurethane is cation-type water-thinned polyurethane.
As preferably, cement is one or both in silicate cement P. II 52.5 or ordinary Portland cement P.O52.5.
As preferably, hardening accelerator is one or both and above mixture in sodium sulfate, trolamine, calcium chloride.
As preferably, water reducer is one or both and above mixture in calcium lignin sulphonate, naphthalenesulfonate formal, poly carboxylic acid.
As preferably, fortifying fibre is one or both in steel fiber or engineering plastics fiber.
As preferably, aqueous epoxy resin curing agent part is one or both and above mixture of amidation polyamines, polymeric amide, polyamine-epoxy affixture.
For the preparation method of epoxy polyurethane complex cement base sound barrier panel, the technical solution used in the present invention is: comprise the following steps:
(1) cement and fine sand are mixed, obtain dry mash;
(2) hardening accelerator, water reducer are joined in described dry mash, stir and obtain mixture A;
(3) in mixture A, add water, aqueous epoxy resins and aqueous polyurethane, rapid stirring is even, and the time is 3 ~ 5 minutes, obtains mixture B;
Wherein aqueous epoxy resins is one or both and above mixture of E-20 emulsion, E-44 emulsion and E-51 emulsion; Aqueous polyurethane is cation-type water-thinned polyurethane;
(4) in mixture B, add aqueous epoxy resin curing agent, rapid stirring is even, obtains mixture C;
(5) in mixture C, add fortifying fibre, rapid stirring is even, obtains mixture D;
(6) mixture D is injected mould, maintenance to 28 day.
As preferably, cement is one or both in silicate cement P. II 52.5 or ordinary Portland cement P.O52.5; Hardening accelerator is one or both and above mixture in sodium sulfate, trolamine, calcium chloride; Water reducer is one or both and above mixture in calcium lignin sulphonate, naphthalenesulfonate formal, poly carboxylic acid; Aqueous epoxy resin curing agent part is one or both and above mixture of amidation polyamines, polymeric amide, polyamine-epoxy affixture; Fortifying fibre is one or both in steel fiber or engineering plastics fiber.
The invention has the beneficial effects as follows:
By use urethane and aqueous epoxy resins, modification is carried out to sound barrier surface layer cement-based material, carry out mutually filling forming matrix material with the solidification of the aquation of cement and macromolecular material simultaneously.The panel made has that volumetric shrinkage is little, bending resistance, antidetonation, impervious, the advantage such as cracking resistance and good endurance.
Embodiment
Embodiment 1
A kind of epoxy polyurethane complex cement base sound barrier panel material, its preparation method is as follows:
(1) 12 parts of cement and 50 parts of fine sands are mixed;
(2) 0.2 part of hardening accelerator, 0.1 part of water reducer are joined in above-mentioned dry mash, stir and mixture is mixed;
(3) 2 parts of water, 5 parts of E-20 emulsions and 3 parts of aqueous polyurethanes in the mixture of step (2), rapid stirring is even, and the time is 3 ~ 5 minutes, obtains mixture;
(4) in the mixture of step (3), add 4 parts of amidation polyamine curing agents, rapid stirring is even, obtains mixture;
(5) in the mixture of step (4), add 2 parts of steel fibers, rapid stirring is even, obtains epoxy polyurethane complex cement base sound barrier panel material;
(6) the epoxy polyurethane complex cement base sound barrier panel material that step (5) is stirred injects mould, with reference to DL/T5126-2001 to its maintenance, surveys its ultimate compression strength and folding strength is 52.2MPa, 10.3MPa respectively to 28 days.
Embodiment 2
A kind of epoxy polyurethane complex cement base sound barrier panel material, its preparation method is as follows:
(1) 16 parts of cement and 60 parts of fine sands are mixed;
(2) 0.3 part of hardening accelerator, 0.2 part of water reducer are joined in above-mentioned dry mash, stir and mixture is mixed;
(3) 2.5 parts of water, 8 parts of E-44 emulsions and 5 parts of aqueous polyurethanes in the mixture of step (2), rapid stirring is even, and the time is 3 ~ 5 minutes, obtains mixture;
(4) in the mixture of step (3), add 7 parts of amidation polyamine curing agents, rapid stirring is even, obtains mixture;
(5) in the mixture of step (4), add 3 parts of steel fibers, rapid stirring is even, obtains epoxy polyurethane complex cement base sound barrier panel material;
(6) the epoxy polyurethane complex cement base sound barrier panel material that step (5) is stirred injects mould, with reference to DL/T5126-2001 to its maintenance, surveys its ultimate compression strength and folding strength is 66.2MPa, 11.3MPa respectively to 28 days.
Embodiment 3
A kind of epoxy polyurethane complex cement base sound barrier panel material, its preparation method is as follows:
(1) 18 parts of cement and 68 parts of fine sands are mixed;
(2) 0.4 part of hardening accelerator, 0.3 part of water reducer are joined in above-mentioned dry mash, stir and mixture is mixed;
(3) 3 parts of water, 12 parts of E-51 emulsions and 8 parts of aqueous polyurethanes in the mixture of step (2), rapid stirring is even, and the time is 3 ~ 5 minutes, obtains mixture;
(4) in the mixture of step (3), add 10 parts of amidation polyamine curing agents, rapid stirring is even, obtains mixture;
(5) in the mixture of step (4), add 5 parts of steel fibers, rapid stirring is even, obtains epoxy polyurethane complex cement base sound barrier panel material;
(6) the epoxy polyurethane complex cement base sound barrier panel material that step (5) is stirred injects mould, with reference to DL/T5126-2001 to its maintenance, surveys its ultimate compression strength and folding strength is 72.2MPa, 13.6MPa respectively to 28 days.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (8)
1. epoxy polyurethane complex cement base sound barrier panel, is characterized in that, is made up of the component of following parts by weight:
Cement 12 ~ 18 parts, fine sand 50 ~ 68 parts, 2 ~ 3 parts, water, hardening accelerator 0.2 ~ 0.4 part, water reducer 0.1 ~ 0.3 part, fortifying fibre 2 ~ 5 parts, aqueous epoxy resins 5 ~ 12 parts, aqueous epoxy resin curing agent 4 ~ 10 parts, aqueous polyurethane 3 ~ 8 parts;
Described aqueous epoxy resins is one or both and above mixture of E-20 emulsion, E-44 emulsion and E-51 emulsion; Described aqueous polyurethane is cation-type water-thinned polyurethane.
2. epoxy polyurethane complex cement base sound barrier panel according to claim 1, is characterized in that: described cement is one or both in silicate cement P. II 52.5 or ordinary Portland cement P.O52.5.
3. epoxy polyurethane complex cement base sound barrier panel according to claim 1, is characterized in that: described hardening accelerator is one or both and above mixture in sodium sulfate, trolamine, calcium chloride.
4. epoxy polyurethane complex cement base sound barrier panel according to claim 1, is characterized in that: described water reducer is one or both and above mixture in calcium lignin sulphonate, naphthalenesulfonate formal, poly carboxylic acid.
5. epoxy polyurethane complex cement base sound barrier panel according to claim 1, is characterized in that: described fortifying fibre is one or both in steel fiber or engineering plastics fiber.
6. epoxy polyurethane complex cement base sound barrier panel according to claim 1, is characterized in that: described aqueous epoxy resin curing agent is one or both and above mixture of amidation polyamines, polymeric amide, polyamine-epoxy affixture.
7. the preparation method of epoxy polyurethane complex cement base sound barrier panel as claimed in claim 1, is characterized in that comprising the following steps:
(1) cement and fine sand are mixed, obtain dry mash;
(2) hardening accelerator, water reducer are joined in described dry mash, stir and obtain mixture A;
(3) in described mixture A, add water, aqueous epoxy resins and aqueous polyurethane, rapid stirring is even, and the time is 3 ~ 5 minutes, obtains mixture B;
Described aqueous epoxy resins is one or both and above mixture of E-20 emulsion, E-44 emulsion and E-51 emulsion; Described aqueous polyurethane is cation-type water-thinned polyurethane;
(4) in described mixture B, add aqueous epoxy resin curing agent, rapid stirring is even, obtains mixture C;
(5) in described mixture C, add fortifying fibre, rapid stirring is even, obtains mixture D;
(6) described mixture D is injected mould, maintenance to 28 day.
8. the preparation method of epoxy polyurethane complex cement base sound barrier panel as claimed in claim 7, is characterized in that: described cement is one or both in silicate cement P. II 52.5 or ordinary Portland cement P.O52.5; Described hardening accelerator is one or both and above mixture in sodium sulfate, trolamine, calcium chloride; Described water reducer is one or both and above mixture in calcium lignin sulphonate, naphthalenesulfonate formal, poly carboxylic acid; Described aqueous epoxy resin curing agent part is one or both and above mixture of amidation polyamines, polymeric amide, polyamine-epoxy affixture; Described fortifying fibre is one or both in steel fiber or engineering plastics fiber.
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| CN201310514758.2A CN103601438B (en) | 2013-10-28 | 2013-10-28 | Epoxy polyurethane complex cement base sound barrier panel and preparation method thereof |
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| CN201310514758.2A CN103601438B (en) | 2013-10-28 | 2013-10-28 | Epoxy polyurethane complex cement base sound barrier panel and preparation method thereof |
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| CN103601438B true CN103601438B (en) | 2016-03-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111675516A (en) * | 2020-06-11 | 2020-09-18 | 东南大学 | Composite cement-based material capable of buffering, absorbing energy and reducing vibration and preparation method thereof |
| CN114956641A (en) * | 2022-06-13 | 2022-08-30 | 华创建筑设计有限公司 | Quick-setting early strength concrete additive, quick-setting early strength concrete and preparation process thereof |
| CN114933449B (en) * | 2022-06-17 | 2023-01-03 | 福建省八一村永庆竹木业开发有限责任公司 | Flame-retardant house box bottom plate and preparation method thereof |
| CN115139390B (en) * | 2022-08-31 | 2022-12-09 | 中铁建设集团有限公司 | Material for floor support plate and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418545A (en) * | 2007-10-26 | 2009-04-29 | 沈阳市科达空调净化安装工程有限公司 | Sound screen with high sound insulation property |
| CN102936113A (en) * | 2011-08-15 | 2013-02-20 | 青岛理工大学 | Hybrid nanocomposite material used for buildings and preparation method thereof |
| CN202865760U (en) * | 2012-07-27 | 2013-04-10 | 李琳 | Sound barrier panel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418545A (en) * | 2007-10-26 | 2009-04-29 | 沈阳市科达空调净化安装工程有限公司 | Sound screen with high sound insulation property |
| CN102936113A (en) * | 2011-08-15 | 2013-02-20 | 青岛理工大学 | Hybrid nanocomposite material used for buildings and preparation method thereof |
| CN202865760U (en) * | 2012-07-27 | 2013-04-10 | 李琳 | Sound barrier panel |
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