CN1126744A - Waterproof rubber factice and its prepn - Google Patents
Waterproof rubber factice and its prepn Download PDFInfo
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- CN1126744A CN1126744A CN 95110305 CN95110305A CN1126744A CN 1126744 A CN1126744 A CN 1126744A CN 95110305 CN95110305 CN 95110305 CN 95110305 A CN95110305 A CN 95110305A CN 1126744 A CN1126744 A CN 1126744A
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Abstract
Waste powdered rubber, coal tar and resin are mixed and desulphurized to prepare rubber mass, which, talcum powder and asbestos fibre as stuffing, turpentine oil as additive and gasoline as solvent are then added, and after thoroughly mixing and pulverizing, the said unguent is prepared. With excellent elasticity, plasticity, waterproof property, anti-ageing property, weather resistance and corrosion resistance, and being used at normal temp, the said unguent may be widely used in various ground or underground waterproof engineerings.
Description
The present invention relates to a kind of water-proof material, be specially a kind of waterproof rubber factice and preparation method thereof.
Traditional building roof and subterranean waterproof all be adopt natural or artificial bitumen with coinciding effect of linoleum, i.e. what is called three oily two blanket waterproof layers.But linoleum material failure rate is up to 20～30%, and it is heavier that labour intensity height and roofing hold the pressure of change, thus usually leak, phenomenon seeps water.Roofing infiltration phenomenon had caused the very big concern of building trade in recent years, relevant department of governments at all levels and relevant industries are all actively inquired into, make great efforts the development of new water-proof material to solve waterproof problem, various water-proof materials also just occur in succession, as plastic ointment, emulsified bitumen, neoprene-1-No. 2 material etc., yet, these materials are poor because of elastoplasticity, weathering resistance is poor, ageing resistance is bad, work-ing life is short, construction requires shortcomings such as heat construction inconvenience more, limited their application and development.
The object of the present invention is to provide a kind of waterproof rubber factice and preparation method thereof, this waterproofing unction has good elastoplasticity, and weathering resistance, ageing-resistant and self-protection effect all can be used under any weather condition easily.
Purpose of the present invention can realize by following scheme:
Waterproof rubber factice is made up of latices, weighting agent and properties-correcting agent, and its weight proportion of composing is:
126～130 parts of 120～140 parts of preferable range of latices
7～9 parts of 6～10 parts of preferable range of asbestos wool
53～56 parts of 50～60 parts of preferable range of talcum powder
1～2 part of 1～2 part of preferable range of turps
10～12 parts of 10～20 parts of preferable range of gasoline
Wherein latices is made by junked tire face glue, and its ingredients by weight consists of: 57～63 parts of waste old foams, 280～300 parts in coal tar, 3～5 parts of Stockholm tars, 3～5 parts of solid rosin.
Elastomeric material has excellent elastoplasticity and other excellent properties, is that the water-proof material of base-material just has good elastoplasticity, weathering resistance and self-protection with rubber.
Asbestos wool is fibrous silicate compound, its high resilience, stable chemical performance, have acidproof, resistance toheat, in ointment, make the modification stopping composition, ointment is strengthened its pulling force and oil suction oil-retaining, thereby work to improve snappiness and tolerance to cold, prevent aging cracking.Talcum powder is a kind of mineral filler commonly used, rises in ointment and improves mechanical property and ageing resistance, and the ointment Young's modulus is improved.
In the ointment batching, turps uses as tenderizer and properties-correcting agent.The unsaturated compound that contains rare class of a large amount of pinanes and diene class in the turps, these unsaturated double-bonds and airborne oxygen effect, make ointment construction after, form rete on the surface, prevent further oxidation, thereby guaranteed the flexibility and the work-ing life of ointment.
Gasoline is made pasty state for organic solvent commonly used with rubbery material.Gasoline is that rubber dense separated agent, infiltrates gasoline rubber is made liquid, is convenient to construction, and utilizes the volatile performance of gasoline, makes the very fast drying of construction section face, so that construction continuously improves speed of application.The consumption of gasoline is subjected to seasonal effect bigger.
Adopting natural rubber and synthetic rubber is that raw material production waterproofing unction cost is too high, in order to reduce cost, can to select for use junked tire face glue rubber powder to make latices and use.
Tire tread rubber mainly is that cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR), natural rubber, band tyre mainly are natural rubber and cis-1,4-polybutadiene rubber, wherein cis-1,4-polybutadiene rubber accounts for 25～50%; Light-duty light tire mainly is styrene-butadiene rubber(SBR) and cis-1,4-polybutadiene rubber, and wherein cis-1,4-polybutadiene rubber accounts for 35～50%.Cis-1,4-polybutadiene rubber has the excellent properties of four aspects: elasticity is big, heating less, wear-resistant, low temperature resistant, so be used to improve the deficiency of styrene-butadiene rubber(SBR) and natural rubber, and its shortcoming is: tensile strength is low.Break resistance is poor, sliding resistance is bad, poor processability etc., mixes use with styrene-butadiene rubber(SBR) and natural rubber, and performance separately is improved.Therefore, the whole system that is made of tire tread rubber is that three kinds of rubber mix get up to use, and performance complement has snappiness, high-tensile, characteristics such as low temperature resistant, ageing-resistant, satisfies the requirement of waterproof material.But the mutual commissure of rubber molecule long-chain becomes reticulated structure, has formed certain rigid, hardness and intensity, and elastoplasticity is poor, can not directly be used as waterproofing unction, need carry out modification and handle.
Make raw material with junked tire face glue, need to handle through desulfurization, make it recover elastoplasticity, handling institute's doping has coal tar, Stockholm tar, solid rosin.Coal tar is processed by kerosene, and softening temperature is 60～70 ℃, and mainly as devulcanization of rubber regeneration tenderizer and softening agent, its energy dissolution of sulphur can prevent the sulphur ejection in material.Contain aldehydes matter in the coal tar, the rubber ageing-resistant performance is improved.Stockholm tar is a Vandyke brown high viscosity colloid, contains various phenols such as high boiling point alkylated cresol and resinous acid etc., has waterproof, anticorrosion, plasticising, adhesiveproperties, as the rubber dispersion agent and can protect the peptization of rubber, can also increase the anti-tropism of scratching of goods.Solid rosin is that colophonite is carried the turpentine oil content through the heating destructive distillation, again through pyrolytic decomposition, distillation gained solid phase prod, be cycloalkanes fragrant family, cigarette class mixture, contain various phenols such as naphthalene, phenanthrene, Rui, anthracene, cresols, phenol, have good antiseptic property, rubber is played ramollescence, and can play the anti-oxidant aging effect at ointment surface conjunctiva.Solid rosin can be replaced by suitable rosin heavy oil.
The reason that the ruined mechanism of rubber reticulated structure is moulded rubber molecule splitting of chain when experienced with rubber during desulfurization is the same, oxygen can impel the oxidized fracture of rubber molecular chain, in the presence of oxygen, the depolymerization of the cross-linked rubber material that is reproduced is because the cracking of group and the cracking of formed hydrogen peroxide when the cross-linked rubber oxidation, coal tar again, turps, tenderizers such as Stockholm tar help out to regenerative process, interpenetrate, tenderizer is attracted on the rubber molecule, the interaction that reaches between the weighting agents such as rubber and carbon black between the rubber molecular chain has been weakened, help the fracture of molecule.The infiltration of tenderizer has also increased the distance between the molecular chain, has reduced the possibility of knotting, and the unsaturated link(age) in the tenderizer plays a big part to sweetening process.Coal tar, Stockholm tar, rosin make rubber softening in latices, increase plasticity-, also the powdery Synergist S-421 95s such as carbon black in the virgin rubber are had wetting action, make it be dispersed in the sizing material easily, and increased the flexibility and the winter hardiness of goods, can also increase the autohension and the viscosity of sizing material.
Why these additives play plasticising and remollescent effect, also because itself molecular weight ratio rubber is little, easily movable, the same with rubber again is hydrocarbon polymer, interpenetrate easily, spread, dissolve, its molecule can be gone between the rubber molecule, pushes the chain link of the adjacent molecule of rubber open, and the rubber molecule of curling is upheld a little, intermolecular distance increases, so just reduce intermolecular reactive force, reached the raising caoutchouc elasticity, improved its plasticity and remollescent purpose.Contain in the molecule two key C=C or active group as, material be added in the rubber after, can surround the active group of rubber, penetrate in the molecular chain of rubber, reduce the interaction force between rubber molecule, also reach the plastifying effect.
Original rubber accelerator still exists in its desulfurization system in tire tread rubber, and wherein some vulcanizing agent also can be used as desulphurizing activated dose, becomes bioactive molecule when being heated, and can shorten desulfurization time greatly.
The method of desulfurization is a lot, mainly contains the open steam method, cooking process and mechanical process etc., and we have adopted the open steam method to carry out desulfurization.The latices that makes through desulfurization has become the rubber cement with good elastoplasticity, extensibility, cementability, high-and low-temperature resistance.
Introduce the making processes of latices in more detail below:
With the coal tar thermal dehydration, add waste old foam, Stockholm tar, after stirring, reaction for some time, be advisable in 3～5 hours, add solid rosin again, stir, be heated to 180～210 ℃, keep 5～8 hours (being as the criterion) to carry out desulfurization with response behaviour, mill at last, old put cool off latices.
After latices makes, just can prepare waterproofing unction according to the following step:
Rubber under continuous stirring condition, is added talcum powder, gasoline, asbestos wool, turps, be milled to then carefully, be this waterproof rubber factice.
Volatile component is arranged in this waterproofing unction, and packing will be taked the form of packing.
Waterproofing unction product of the present invention department after testing detects, and all index all reaches the ministerial standard fourth C207-76 of State Bureau of Building Materials Industry.Attached test data is as follows:
(1) thermotolerance: 80 ℃ do not trickle
(2) winter hardiness :-20 ℃ of not embrittlement
(3) unit elongation: 272%
(4) bond degree: 100%
(5) adhesive rate: 100%
(6) water tolerance: 20～30cm water particle, January is waterproof.
(7) immersion property: water storage several months no change.
Therefore the present invention has the following advantages:
(1) high elastoplasticity, strong, the elastic extension rate height of bonding force have excellent sealing property, combine seamless with concrete, metallic substance, timber etc.
(2) high temperature resistant, low temperature, anti-climate change, anti-aging, the carbon black in the former tire tread rubber is the light reflection ultraviolet line effectively, plays certain anti-aging effect, increases the service life, and the ageing-resistant phase was 10 years.
(3) corrosion-resistant, invade stain, not only be used for the buildings waterproof of roofing etc., also can be used for subterranean waterproof construction.
(4) main raw material adopts junked tire, has both reduced production cost, has accomplished utilization of waste material again.
Normal-temperature operation when (5) using need not heat construction, and constructing operation is easy, and is pollution-free, and can be fit to various envrionment conditionss, as be uneven, but equal convenient construction such as negative and positive angle, and can carry out the repairing of leaking on roof etc. easily.
The invention will be further described below in conjunction with embodiment.
Embodiment 1,
The weight of raw material is composed as follows:
Latices consists of: rubber foam 60kg, coal tar 292kg, Stockholm tar 4kg, solid rosin 4kg.
Consisting of of waterproof rubber factice: latices 126kg, asbestos wool 8kg, talcum powder 54kg, turps 2kg, gasoline 10kg.
With the coal tar thermal dehydration, add after waste old foam, Stockholm tar stir, react 4 hours, add solid rosin again, stir, be heated to 180～210 ℃, kept 6 hours, mill afterwards old put cool off latices.Latices under continuous stirring condition, is added talcum powder, gasoline, asbestos wool, turps, be milled to after stirring carefully, promptly get waterproof rubber factice of the present invention.
This waterproofing unction uses the result to prove through the construction use of our factory's construction work team and other user, is to be a kind of ideal architectural waterproof material in fact.
Embodiment 2,
Raw material composed as follows, preparation technology is with embodiment 1.
Consisting of of latices: rubber foam 62kg, coal tar 290kg, Stockholm tar 4.5kg, solid rosin 4.5kg.
Consisting of of waterproof rubber factice: latices 130kg, asbestos wool 8kg, talcum powder 55kg, turps 1.5kg, gasoline 12kg.
Claims (7)
1, a kind of waterproof rubber factice is made up of latices, weighting agent and properties-correcting agent, it is characterized in that its weight consists of:
120～140 parts of latices
6～10 parts of asbestos wools
50～60 parts of talcum powder
1～2 part in turps
10～20 parts in gasoline
2, waterproof rubber factice according to claim 1 is characterized in that its weight consists of:
126～130 parts of latices
7～9 parts of asbestos wools
53～56 parts of talcum powder
1～2 part in turps
10～12 parts in gasoline
3, waterproof rubber factice according to claim 1 and 2 is characterized in that latices made by junked tire face glue, and its ingredients by weight consists of:
57～63 parts of waste old foams
280～300 parts in coal tar
3～5 parts of Stockholm tars
3～5 parts of solid rosin
4, the preparation method of waterproof rubber factice according to claim 1 is characterized in that latices adding talcum powder, gasoline, asbestos wool, turps under continuous stirring condition, is milled to then carefully, promptly gets this waterproof rubber factice.
5, the preparation method of waterproof rubber factice according to claim 4 is characterized in that latices follows these steps to make:
With the coal tar thermal dehydration, add waste old foam, turps, after stirring, reaction for some time, add solid rosin again, stir, desulfurization is carried out in heating, mills at last, oldly puts cooling, makes latices.
6, the preparation method of waterproof rubber factice according to claim 5 is characterized in that desulfurization temperature is controlled at 180～210 ℃.
7, the preparation method of waterproof rubber factice according to claim 5 is characterized in that the method for desulfurization adopts the open steam method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95110305A CN1038193C (en) | 1995-01-12 | 1995-01-12 | Waterproof rubber factice and its prepn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95110305A CN1038193C (en) | 1995-01-12 | 1995-01-12 | Waterproof rubber factice and its prepn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1126744A true CN1126744A (en) | 1996-07-17 |
| CN1038193C CN1038193C (en) | 1998-04-29 |
Family
ID=5077705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95110305A Expired - Fee Related CN1038193C (en) | 1995-01-12 | 1995-01-12 | Waterproof rubber factice and its prepn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1038193C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925104A (en) * | 2012-10-31 | 2013-02-13 | 湖北山水化工有限公司 | Leaking stoppage material for plastic pipelines and equipment and production method for leaking stoppage material |
| CN103911129A (en) * | 2014-04-03 | 2014-07-09 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil base drilling fluid wetting agent and application thereof |
| CN103923623A (en) * | 2014-04-03 | 2014-07-16 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil-based drilling fluid |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU889679A1 (en) * | 1979-12-07 | 1981-12-15 | Предприятие П/Я В-8570 | Composition for greasing sheet packing materials |
| CN1058794A (en) * | 1990-08-07 | 1992-02-19 | 李泽馥 | Flame-retarded rubber waterproof material |
| CN1064295A (en) * | 1992-03-03 | 1992-09-09 | 曹群 | Roof waterproof leak stopping glue and preparation technology thereof |
-
1995
- 1995-01-12 CN CN95110305A patent/CN1038193C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925104A (en) * | 2012-10-31 | 2013-02-13 | 湖北山水化工有限公司 | Leaking stoppage material for plastic pipelines and equipment and production method for leaking stoppage material |
| CN102925104B (en) * | 2012-10-31 | 2014-09-03 | 湖北山水化工有限公司 | Leaking stoppage material for plastic pipelines and equipment and production method for leaking stoppage material |
| CN103911129A (en) * | 2014-04-03 | 2014-07-09 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil base drilling fluid wetting agent and application thereof |
| CN103923623A (en) * | 2014-04-03 | 2014-07-16 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Oil-based drilling fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1038193C (en) | 1998-04-29 |
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