CN105084808B - A kind of raw soil material special powder waterproofing agent and preparation method thereof - Google Patents

A kind of raw soil material special powder waterproofing agent and preparation method thereof Download PDF

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Publication number
CN105084808B
CN105084808B CN201510453865.8A CN201510453865A CN105084808B CN 105084808 B CN105084808 B CN 105084808B CN 201510453865 A CN201510453865 A CN 201510453865A CN 105084808 B CN105084808 B CN 105084808B
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China
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waterproofing agent
soil material
raw soil
powder
raw
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CN105084808A (en
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李军伟
李嘉辉
仇昌余
张珊珊
刘长清
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Tianjin Chengjian University
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Tianjin Chengjian University
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Abstract

The invention belongs to construction material and auxiliary agent field, it is related to a kind of a kind of component of powder waterproofing agents of powder waterproofing agent and the mass parts of each component to be:70~80 parts of stearate, 5~8 parts of sodium lignin sulfonate, 9~15 parts of reinforcing fiber, 6~9 parts of organosilicon powder hydrophober, stearate is the mixture of calcium stearate and zinc stearate, and wherein the mass ratio of calcium stearate and zinc stearate is 3:2, reinforcing fiber is short glass fiber, and addition of the powder waterproofing agent in raw soil material is the 3% of raw soil material weight.Present invention also offers a kind of preparation method of raw soil material special powder waterproofing agent, comprise the following steps:(1) every other component of the precise in addition to reinforcing fiber, is well mixed in addition mixer;(2) in the mixture for adding step (1) to obtain reinforcing fiber, it is uniformly mixed, obtains final product powder waterproofing agent.Powder waterproofing agent of the present invention can be applied to be used to improve the water resistance of raw soil material in raw soil material.

Description

A kind of raw soil material special powder waterproofing agent and preparation method thereof
Technical field
The invention belongs to construction material and auxiliary agent field, it is related to a kind of powder waterproofing agent, and in particular to one kind is applied to life Improving the powder waterproofing agent of its water resistance in soil material.
Background technology
In recent years, due to the finiteness and the dual-pressure of environmental change of non-renewable resources, raw soil material and the raw-soil are built Build and examined closely by people again, at present, raw soil material becomes one of focus of domestic and international primary study.In construction material especially It is that raw soil material has a long history in country building material.Raw soil material is to refer to simple without being calcined, only passing through The original state soil material of processing, the building referred to as earth building built with it.The presence of earth building going through more than 10000 History, once for the development of world civilization is made that significant contribution, the whole world still has close to 50% area and preserves and still using so far The ground such as earth building, the loess plateau, the Three Eastern Provinces, Inner Mongol of China also remain with earth building, and its construction style has cave dwelling, soil Base, rammed earth etc., some ancient earth buildings have turned into the witness and history rarity of Chinese civilization.
But, because traditional raw soil material low intensity, fragility are big, water-resistance is poor, the earth building thus built is in antidetonation Property, the problem in terms of durability never solve well, the performance optimization of raw soil material has with comprehensive utilizating research technology Extensive demand.
In consideration of it, the present invention both sends one's regards to topic around raw soil material, it is conceived to the waterproof ability for improving raw soil material, passes through The excellent powder waterproofing agent of research and development water resistance, for the water-repellent modified of raw soil material, reaches the performance optimization to raw soil material, Traditional raw soil material is disclosure satisfy that the use requirement in low layer and tier building, obtain it newborn, promote traditional architecture The sustainable development of material.
The content of the invention
It is an object of the invention to provide a kind of powder waterproofing agent, it is used to improve the water resistance of raw soil material, the present invention Powder waterproofing agent can be filled in raw soil material, be made the excellent earth building material of water resistance.
To realize above-mentioned purpose, the technical solution adopted by the present invention is:
A kind of raw soil material special powder waterproofing agent, its component and the mass fraction of each component are:
Preferably, described stearate is the mixture of calcium stearate and zinc stearate, wherein calcium stearate and tristearin The mass ratio of sour zinc is 3:2.
Preferably, described reinforcing fiber be short glass fiber, fibre diameter be 9~13 μm, length be 25~ 200mm。
Preferably, addition of the described powder waterproofing agent in raw soil material is the 3% of raw soil material weight.
Present invention also offers a kind of preparation method of raw soil material special powder waterproofing agent, comprise the following steps:
(1) every other component of the precise in addition to reinforcing fiber, is well mixed in addition mixer;
(2) in the mixture for adding step (1) to obtain reinforcing fiber, it is uniformly mixed, obtains final product powder waterproofing agent.
The present invention is had the advantage that:
(1) powdered waterproof agent prescription of the present invention is simple, mainly including stearate, hydrophober, sodium lignin sulfonate and increasing The components such as strong fiber, stearate is the mixture of calcium stearate and zinc stearate, with preferable waterproof action, then is aided with few The collaboration waterproof action of organosilicon moisture repellent is measured, the powder waterproofing agent is reached the purpose of high-effective water-proof;Sodium lignin sulfonate is A kind of hydrophobic surface active material, while also having bleed water-reduction, can effectively improve the impermeability of raw soil material;Enhancing is fine The addition of dimension can improve the mechanical property of raw soil material;Various ingredients it is reasonably combined, the powder waterproofing agent is had waterproof, anti-concurrently Ooze, enhanced effect;
(2) powder waterproofing agent preparation method of the present invention is simple, low cost.
Specific embodiment
With reference to specific embodiment, the invention will be further described, but does not limit protection scope of the present invention.
Embodiment 1
A kind of raw soil material special powder waterproofing agent, its component and the quality of each component are:
The glass fibre is 9~13 μm of diameter, the short glass fiber of 25~200mm of length.
The organosilicon powder hydrophober is Dow corning SHP50 organosilicon moisture repellents.
A kind of preparation method of raw soil material special powder waterproofing agent, comprises the following steps:
(1) every other component of the precise in addition to glass fibre, is well mixed in addition mixer;
(2) in the mixture for adding step (1) to obtain in glass fibre, it is uniformly mixed, obtains final product powder waterproofing agent.
In order to illustrate the performance of the present embodiment powder waterproofing agent, the powder waterproofing agent is added into raw soil material, prepared Raw-soil building block, tests the water absorption rate of raw-soil building block, is used to characterize the water resistance of the present embodiment powder waterproofing agent.The powder is prevented Addition of the aqua in raw soil material is the 3% of raw soil material weight, and the component of raw soil material and the weight ratio of each component are The raw-soil:Quick lime:Cement:Water=60:3:3:16, raw soil material each component precise is well mixed, it is subsequently adding powder Waterproofing agent, is uniformly mixed, and during compound then moved into mould, fills up mould and is compacted, and is put into drying box at 60 DEG C Under dry 6h after the demoulding be made raw-soil building block base substrate, finally base substrate is put into drying box and dries 12h at 60 DEG C, be obtained the raw-soil Building block.The step of test raw-soil building block water absorption rate, includes:Weigh raw-soil building block quality and be designated as M, be put into immersion in water, the water surface is higher by Building block upper surface 2cm, takes out sample after 120min, dry outer surface, claims its quality and labeled as M120, calculate according to the following formula To the water absorption rate of raw-soil building block, it is used to characterize the water resistance of the present embodiment powder waterproofing agent.
The computing formula of water absorption rate (%) is as follows:
Test result shows:The water absorption rate for adding the raw-soil building block of 3% powder waterproofing agent is 1.2%, and is not added with powder and prevents The water absorption rate of the raw-soil building block of aqua is up to 23.2%, illustrates that the addition of the present embodiment powder waterproofing agent improves raw soil material Water resistance.
Embodiment 2
A kind of raw soil material special powder waterproofing agent, its component and the quality of each component are:
The glass fibre is 9~13 μm of diameter, the short glass fiber of 25~200mm of length.
The organosilicon powder hydrophober is Dow corning SHP50 organosilicon moisture repellents.
Powder waterproofing agent preparation method, raw-soil building block formula and preparation method, water absorption rate test method are with embodiment 1.
Test result shows:The water absorption rate for adding the raw-soil building block of 3% powder waterproofing agent is 0.9%, and is not added with powder and prevents The water absorption rate of the raw-soil building block of aqua is up to 23.2%, illustrates that the addition of the present embodiment powder waterproofing agent improves raw soil material Water resistance.
Embodiment 3
A kind of raw soil material special powder waterproofing agent, its component and the quality of each component are:
The glass fibre is 9~13 μm of diameter, the short glass fiber of 25~200mm of length.
The organosilicon powder hydrophober is Dow corning SHP50 organosilicon moisture repellents.
Powder waterproofing agent preparation method, raw-soil building block formula and preparation method, water absorption rate test method are with embodiment 1.
Test result shows:The water absorption rate for adding the raw-soil building block of 3% powder waterproofing agent is 2.4%, and is not added with powder and prevents The water absorption rate of the raw-soil building block of aqua is up to 23.2%, illustrates that the addition of the present embodiment powder waterproofing agent improves raw soil material Water resistance.
Embodiment 4
A kind of raw soil material special powder waterproofing agent, its component and the quality of each component are:
The glass fibre is 9~13 μm of diameter, the short glass fiber of 25~200mm of length.
The organosilicon powder hydrophober is Dow corning SHP50 organosilicon moisture repellents.
Powder waterproofing agent preparation method, raw-soil building block formula and preparation method, water absorption rate test method are with embodiment 1.
Test result shows:The water absorption rate for adding the raw-soil building block of 3% powder waterproofing agent is 0.5%, and is not added with powder and prevents The water absorption rate of the raw-soil building block of aqua is up to 23.2%, illustrates that the addition of the present embodiment powder waterproofing agent improves raw soil material Water resistance.
Above-described embodiment is only one of presently preferred embodiments of the present invention, is not limited the scope of the invention with this, therefore: The equivalence changes that all structures under this invention, shape, principle are done, all should be covered by within protection scope of the present invention.

Claims (2)

1. a kind of raw soil material special powder waterproofing agent, it is characterised in that its component and the mass parts of each component are:
70~80 parts of stearate, 5~8 parts of sodium lignin sulfonate, 9~15 parts of reinforcing fiber, organosilicon powder hydrophober 6~9 Part;Described stearate is the mixture of calcium stearate and zinc stearate, wherein the mass ratio of calcium stearate and zinc stearate It is 3:2, described reinforcing fiber is short glass fiber, and fibre diameter is 9~13 μm, and length is 25~200mm, described powder Addition of the last waterproofing agent in raw soil material is the 3% of raw soil material weight.
2. the preparation method of a kind of raw soil material special powder waterproofing agent according to claim 1, it is characterised in that including Following steps:
(1) every other component of the precise in addition to reinforcing fiber, is well mixed in addition mixer;
(2) in the mixture for adding step (1) to obtain reinforcing fiber, it is uniformly mixed, obtains final product powder waterproofing agent.
CN201510453865.8A 2015-07-29 2015-07-29 A kind of raw soil material special powder waterproofing agent and preparation method thereof Expired - Fee Related CN105084808B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105347728A (en) * 2015-12-03 2016-02-24 中国航空综合技术研究所 Concrete waterproof agent
CN107815268A (en) * 2017-11-04 2018-03-20 舒城宏峰纸板有限公司 A kind of cardboard pastes glue waterproofing agent and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050605A (en) * 2009-11-10 2011-05-11 河南省天地建筑防水工程有限公司 Waterproof heat insulation dry powder coating
CN102390968A (en) * 2011-08-16 2012-03-28 岳建伟 Heat insulation fireproofing honeycomb cement board and preparation method thereof
CN102875053A (en) * 2012-10-25 2013-01-16 全永福 Compound type powder waterproof agent and preparation method thereof
CN104402350A (en) * 2014-10-23 2015-03-11 西安建筑科技大学 Raw soil building material modification method and method for preparation of building block by use of modified raw soil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102050605A (en) * 2009-11-10 2011-05-11 河南省天地建筑防水工程有限公司 Waterproof heat insulation dry powder coating
CN102390968A (en) * 2011-08-16 2012-03-28 岳建伟 Heat insulation fireproofing honeycomb cement board and preparation method thereof
CN102875053A (en) * 2012-10-25 2013-01-16 全永福 Compound type powder waterproof agent and preparation method thereof
CN104402350A (en) * 2014-10-23 2015-03-11 西安建筑科技大学 Raw soil building material modification method and method for preparation of building block by use of modified raw soil

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