CN105273687A - Self-adhered waterproof rubber compound, self-adhered waterproof roll and preparation method - Google Patents
Self-adhered waterproof rubber compound, self-adhered waterproof roll and preparation method Download PDFInfo
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Abstract
The invention provides a self-adhered waterproof rubber compound, a self-adhered waterproof roll and a preparation method. The self-adhered waterproof rubber compound comprises 35-45% of 90# asphalt, 10-15% of rubber oil, 2-5% of SBS (styrene butadiene styrene), 2-5% of tackifying resin, 8-15% of rubber powder and 28-40% of talcum powder by weight. The self-adhered waterproof roll comprises an isolating film, a self-adhered waterproof rubber compound layer, polyester reinforcement, a self-adhered waterproof rubber compound layer and an isolating film. The preparation method of the self-adhered waterproof rubber compound comprises the following steps: adding the 90# asphalt to a reaction kettle; adding SBS; adding the tackifying resin and the rubber powder; adding the rubber oil; and metering and adding the talcum powder. The self-adhered waterproof rubber compound has the beneficial effects that the problem of easiness in agglomeration and pipeline blockage when traditional waterproof roll rubber compounds are prepared by using SBR (styrene butadiene rubber) powder is solved; and the waterproof roll rubber compound ensures the adhesive property and stripping property of the roll, so that the roll has good adhesion reliability and waterproof reliability after being applied to construction at construction sites.
Description
Technical field
The invention belongs to waterproof roll sizing material technical field, be specifically related to powerful film asphalt size and waterproof roll and the preparation method of intersecting.
Background technology
The constructional method of the self-adhesion class waterproof roll of current China mainly comprise wetly spread, overlays, self-adhesion and emptyly to spread.
In the preparation method of current China waterproof roll sizing material, main interpolation P-SBR styrene-butadiene rubber(SBR) rubber powder is used as the main properties-correcting agent of adhesiveproperties, disclose a kind of pitch self-adhesive in the patent documentation of 2012.7.11 as be 201210028719.7 applyings date in Chinese Patent Application No. to be 2012.2.9 publication date be and the adhesive polymer be made up of it rubber water-proofing coiled, a kind of pitch self-adhesive is disclosed in this patent documentation, it comprises by weight percentage: pitch 45 ~ 65%, rubber oil 16 ~ 25%, SBS5 ~ 15%, SBR1 ~ 6%, petroleum resin 1 ~ 6%, EVA1 ~ 7%, talcum powder 10 ~ 20%.It is rubber water-proofing coiled that this invention additionally provides a kind of adhesive polymer, and it comprises the pitch self-adhesive glue layer that nonwoven layer, high molecular sheet sheet material layers and pitch self-adhesive described above are formed from bottom to top.The two ends of described waterproof roll are provided with landing edge.Containing EVA in pitch self-adhesive described in this invention, improve the consistency of self-adhesive and macromolecular sheet material, add the combined strength bination of high molecular sheet sheet material layers.This invention adopts the lap joint process of self-adhesion structure to solve macromolecular sheet material and overlaps insecure problem, makes the overlap joint between coiled material and coiled material realize the mode of gluing glue, and the firm and solid degree that bonds is reliable, regulates and controls freely, very flexibly.
What foregoing invention adopted is P-SBR styrene-butadiene rubber(SBR) rubber powder, uses the agent of P-SBR styrene-butadiene rubber(SBR) rubber powder modified in modifying process, have following five difficulty.
1, P-SBR styrene-butadiene rubber(SBR) rubber powder amount is dropped in modifying process many.
2, P-SBR styrene-butadiene rubber(SBR) rubber powder required modification time in modifying process is long.
3, P-SBR styrene-butadiene rubber(SBR) rubber powder easy conglomeration in modifying process.
4, the P-SBR styrene-butadiene rubber(SBR) rubber powder of conglomeration easy blocking pipe in sizing material course of conveying.
5, P-SBR styrene-butadiene rubber(SBR) rubber powder shelf-life durations is short, about 4 months.
Summary of the invention
The object of this invention is to provide a kind of self-adhesion waterproof sizing material, it is not add pulvis SBR, solve traditional easy conglomeration, easily a blocking pipe difficult problem of preparing the appearance of waterproof roll sizing material with SBR styrene-butadiene rubber(SBR) rubber powder, waterproof roll sizing material of the present invention ensure that the adhesiveproperties of coiled material, stripping performance makes coiled material have well good bonding reliability and waterproof reliability after site construction is applied.
Another object of the present invention is to provide a kind of adhesive waterproof coil, and this waterproof roll improves adhesiveproperties.
The third object of the present invention is to provide a kind of preparation method of self-adhesion waterproof sizing material, it is not add pulvis SBR, solve traditional easy conglomeration, easily a blocking pipe difficult problem of preparing the appearance of waterproof roll sizing material with SBR styrene-butadiene rubber(SBR) rubber powder, waterproof roll sizing material of the present invention ensure that the adhesiveproperties of coiled material, stripping performance makes coiled material have well good bonding reliability and waterproof reliability after site construction application, and technique is simple.
For reaching above-mentioned first object, a kind of self-adhesion waterproof sizing material, it comprises by weight percentage:
90# pitch 35%-45%
Rubber oil 10%-15%
SBS2%-5%
Tackifying resin 2%-5%
Rubber rubber powder 8%-15%
Talcum powder 28%-40%.
For reaching above-mentioned second object, adhesive waterproof coil, comprising and being followed successively by barrier film, the self-adhesion waterproof glue bed of material be made up of self-adhesion waterproof sizing material, polyester blank, the self-adhesion waterproof glue bed of material, the barrier film that are made up of self-adhesion waterproof sizing material from upper surface to lower surface;
Self-adhesion waterproof sizing material comprises by weight percentage:
90# pitch 35%-45%
Rubber oil 10%-15%
SBS2%-5%
Tackifying resin 2%-5%
Rubber rubber powder 8%-15%
Talcum powder 28%-40%.
As improvement, the two ends of described adhesive waterproof coil are provided with landing edge.
As improvement, the width of one end landing edge is 2-3cm, and the width of the other end landing edge is 5cm.
For reaching above-mentioned 3rd object, a kind of preparation method of self-adhesion waterproof sizing material, comprises the steps:
(1) being metered into weight percent is that the 90# pitch of 35%-45% is in reactor;
(2) in question response still, temperature rises to 175-185 DEG C to be metered into weight percent is whip modified at the SBS of 2%-5% continues to maintain the temperature at 180 DEG C-190 DEG C;
(3) being metered into tackifying resin that weight percent is 2%-5% and weight percent after 2 hours until SBS whip modified is continue whip modified at the rubber rubber powder of 8%-15% maintains the temperature at 180 DEG C-190 DEG C;
(4) add that to be metered into weight percent after rubber rubber powder stirs 0.5 hour be successively that the rubber oil of 10%-15% continues to maintain the temperature at 180 DEG C of-190 DEG C of whip modified;
(5), after treating that rubber oil adds 1 hour, colloidal mill is gone over;
(6) talcum powder that weight percent is 28%-40% is metered into, modification more than 0.5 hour at maintaining the temperature at 160 DEG C-170 DEG C;
(7) temperature is controlled 160 DEG C of-170 DEG C of dischargings.
90# pitch is the base-material in asphalt size, the chocolate complex mixture be made up of hydrocarbon polymer and the nonmetal derivative thereof of different molecular weight, is in a liquid state, semi-solid state or solid-state, is a kind of waterproof and dampproof and rot-resistant organic gel gel material.Pitch mainly can be divided into coal tar pitch, petroleum pitch and rock asphalt three kinds, and it all can realize the present invention.
Properties-correcting agent in the present invention mainly contains rubber oil, SBS, tackifying resin, rubber rubber powder.
Rubber oil is a kind of good asphalt modifier, and it can reduce the usage quantity of SBS, reduces costs.Further, add rubber oil can significantly improve waterproof roll low temperature flexibility, obviously improve elastoplasticity, increase tear strength, and can puncture be improved, strengthen ageing resistance.The consistency of rubber oil and rubber is good, can improve the autohension of pitch.
Styrene-butadiene block copolymer (SBS), after being heated, material can flow, easy machine-shaping.After cool to room temperature, polystyrene segment is gathered into vitreous state microcell, polybutadiene segments is served to the effect of physical crosslinking point, thus makes bill of material reveal the characteristic of rubber.SBS has two phase structure: polyhutadiene is external phase mutually, and polystyrene is disperse phase mutually.SBS modifying asphalt sizing material can improve the high-and low-temperature resistance performance of waterproof roll, has higher elasticity and resistance to fatigue, and high elongation and stronger puncture ability, tear-resistant ability, goes for cold district.
Tackifying resin is C5, C9 fraction of petroleum cracking institute by-product, through a kind of thermoplastic resin of the explained hereafter such as pre-treatment, polymerization, distillation, it is not superpolymer, but molecular weight is between the oligopolymer of 300-3000, being a kind of tackifier of high-quality, is the main provider of asphalt size viscosity.
Rubber rubber powder refers to the Powdered elastomeric material that waste rubber goods obtains through grinding and processing process,
Add appropriate talc material not only can reduce costs, can also improve the dimensional stability of waterproof roll, the present invention adopts talcum powder as stopping composition.
The invention solves traditional easy conglomeration, easily a blocking pipe difficult problem of preparing the appearance of waterproof roll sizing material with SBR styrene-butadiene rubber(SBR) rubber powder, waterproof roll sizing material of the present invention ensure that the adhesiveproperties of coiled material, stripping performance makes coiled material have well good bonding reliability and waterproof reliability, the technique of simplification after site construction application.
Embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
A kind of self-adhesion waterproof sizing material comprises the talcum powder of the 90# pitch of 35%-45%, the rubber oil of 10%-15%, the tackifying resin of SBS, 2%-5% of 2%-5%, the rubber rubber powder of 8%-15% and 28%-40% by weight percentage.
A kind of adhesive waterproof coil, comprises and is followed successively by barrier film, the self-adhesion waterproof glue bed of material be made up of self-adhesion waterproof sizing material, polyester blank, the self-adhesion waterproof glue bed of material, the barrier film that are made up of self-adhesion waterproof sizing material from upper surface to lower surface.The two ends of described adhesive waterproof coil are provided with landing edge; The width of one end landing edge is 2-3cm, and the width of the other end landing edge is 5cm.
The preparation method of above-mentioned self-adhesion waterproof sizing material comprises the steps.
(1) being metered into weight percent is that the 90# pitch of 35%-45% is in reactor.
(2) in question response still, temperature rises to 175-185 DEG C to be metered into weight percent is whip modified at the SBS of 2%-5% continues to maintain the temperature at 180 DEG C-190 DEG C.
(3) being metered into tackifying resin that weight percent is 2%-5% and weight percent after 2 hours until SBS whip modified is continue whip modified at the rubber rubber powder of 8%-15% maintains the temperature at 180 DEG C-190 DEG C.
(4) add that to be metered into weight percent after rubber rubber powder stirs 0.5 hour be successively that the rubber oil of 10%-15% continues to maintain the temperature at 180 DEG C of-190 DEG C of whip modified.
(5), after treating that rubber oil adds 1 hour, colloidal mill is gone over.
(6) talcum powder that weight percent is 28%-40% is metered into, modification more than 0.5 hour at maintaining the temperature at 160 DEG C-170 DEG C.
(7) temperature is controlled 160 DEG C of-170 DEG C of dischargings.
In the present invention, 90# pitch is the base-material in asphalt size, the chocolate complex mixture be made up of hydrocarbon polymer and the nonmetal derivative thereof of different molecular weight, is in a liquid state, semi-solid state or solid-state, is a kind of waterproof and dampproof and rot-resistant organic gel gel material.Pitch mainly can be divided into coal tar pitch, petroleum pitch and rock asphalt three kinds, and it all can realize the present invention.
Properties-correcting agent in the present invention mainly contains rubber oil, SBS, tackifying resin, rubber rubber powder, SBR styrene-butadiene latex.
Rubber oil is a kind of good asphalt modifier, and it can reduce the usage quantity of SBS, reduces costs.Further, add rubber oil can significantly improve waterproof roll low temperature flexibility, obviously improve elastoplasticity, increase tear strength, and can puncture be improved, strengthen ageing resistance.The consistency of rubber oil and rubber is good, can improve the autohension of pitch.
Styrene-butadiene block copolymer (SBS), after being heated, material can flow, easy machine-shaping.After cool to room temperature, polystyrene segment is gathered into vitreous state microcell, polybutadiene segments is served to the effect of physical crosslinking point, thus makes bill of material reveal the characteristic of rubber.SBS has two phase structure: polyhutadiene is external phase mutually, and polystyrene is disperse phase mutually.SBS modifying asphalt sizing material can improve the high-and low-temperature resistance performance of waterproof roll, has higher elasticity and resistance to fatigue, and high elongation and stronger puncture ability, tear-resistant ability, goes for cold district.
Tackifying resin is C5, C9 fraction of petroleum cracking institute by-product, through a kind of thermoplastic resin of the explained hereafter such as pre-treatment, polymerization, distillation, it is not superpolymer, but molecular weight is between the oligopolymer of 300-3000, being a kind of tackifier of high-quality, is the main provider of asphalt size viscosity.
Rubber rubber powder refers to the Powdered elastomeric material that waste rubber goods obtains through grinding and processing process,
Add appropriate talc material not only can reduce costs, can also improve the dimensional stability of waterproof roll, the present invention adopts talcum powder as stopping composition.
Below do not add P-SBR styrene-butadiene rubber(SBR) rubber powder and traditional comparison example adding P-SBR styrene-butadiene rubber(SBR) rubber powder for the present invention.
| Starting material | 90# pitch | Rubber oil | SBS | Tackifying resin | P-SBR styrene-butadiene rubber(SBR) | Rubber rubber powder | Talcum powder |
| Example 1 | 35 | 15 | 2 | 3 | —— | 15 | 30 |
| Example 2 | 45 | 12 | 5 | 2 | —— | 8 | 28 |
| Example 3 | 37 | 10 | 3 | 5 | —— | 11 | 34 |
| Example 4 | 35 | 11 | 3 | 2 | —— | 9 | 40 |
| Example 5 | 35 | 15 | 1 | 3 | 0.5 | 15 | 30.5 |
| Example 6 | 45 | 14.9 | 3 | 1 | 0.1 | 8 | 28 |
| Example 7 | 37 | 10 | 1 | 2 | 0.3 | 9.7 | 40 |
| Example 8 | 36 | 13 | 1 | 2 | 0.2 | 9.8 | 38 |
Utilize traditional adhesive waterproof coil of the present invention to test, testing method is as described below:
With the peel strength test of aluminium sheet.
Sample preparation is carried out according to 5.12.2 method for making sample in GB23441-2009, under (23 ± 2) DEG C condition, waterproof roll of the present invention is bonded at on the totally smooth minute surface aluminium sheet of solvent cleaned with reference to GB/T328.20-2007, bond area on aluminium sheet is 50mm × 75mm, waterproof roll bonded part does not allow contact hand and other objects, then with quality be 2 kilograms, width is that the pressure roller of 50mm ~ 60mm is placed 24 hours after roll extrusion three times bonding repeatedly, one end of aluminium sheet sandwiches fixture, the waterproof roll double flat of same one end is sandwiched another fixture and tests.Calculate stripping strength by maximum, force, unit is N/mm, gets the arithmetical av of five test specimen results as experimental result.
With the mensuration of rear pouring concrete stripping strength.
Bond area is of a size of 100mm × 100mm, if waterproof roll has non-stick material, then removed and remove, waterproof roll of the present invention is placed on the bottom of mould, adhesive surface, then pours concrete into mould upward, on a vibration table jolt ramming, and thickness is about 50mm.The 24h demoulding is placed, in the maintenance of normal curing condition by 7 days in (20 ± 2) DEG C.
Waterproof roll places 4h at (23 ± 2) DEG C, concrete slab is contained on the fixture of trier one end, the waterproof roll one end that do not bond is overturn 180 DEG C be clipped in the fixture of the trier the other end, make the longitudinal axis of waterproof roll and the dead in line of tensile testing machine and fixture.Spacing jig, from being at least 100mm, not bearing and preloads.Test is carried out in (23 ± 2) DEG C, draw speed (100 ± 10) mm/min.Continuous recording pulling force is until be separated.
Calculate mean peel strength by GB/T328.20-2007, unit is N/mm.
Adhesive waterproof coil of the present invention with the stripping strength of aluminium sheet and as shown in the table with the stripping strength of rear pouring concrete:
| Project | With the stripping strength (N/mm) of aluminium sheet | With the strength of glass (N/mm) of rear pouring concrete |
| Example 1 | 1.7 | 1.6 |
| Example 2 | 1.8 | 1.9 |
| Example 3 | 2.0 | 2.1 |
| Example 4 | 1.9 | 1.8 |
| Example 5 | 1.6 | 1.6 |
| Example 6 | 1.7 | 1.8 |
| Example 7 | 1.8 | 2.0 |
| Example 8 | 1.9 | 1.8 |
Do not add as seen from the above table corresponding to P-SBR styrene-butadiene rubber(SBR) rubber powder with the stripping strength of aluminium sheet and with the stripping strength of rear pouring concrete than add P-SBR styrene-butadiene rubber(SBR) rubber powder with the stripping strength of aluminium sheet and be more or less the same with the stripping strength of rear pouring concrete.Present method can be obtained thus and can solve the easy conglomeration of use P-SBR styrene-butadiene rubber(SBR) rubber powder appearance, the shortcoming of blocking pipe.Also ensure that the adhesiveproperties of waterproof roll simultaneously.
Claims (5)
1. self-adhesion waterproof sizing material, is characterized in that: it comprises by weight percentage:
90# pitch 35%-45%
Rubber oil 10%-15%
SBS2%-5%
Tackifying resin 2%-5%
Rubber rubber powder 8%-15%
Talcum powder 28%-40%.
2. adhesive waterproof coil, is characterized in that: comprise and be followed successively by barrier film, the self-adhesion waterproof glue bed of material be made up of self-adhesion waterproof sizing material, polyester blank, the self-adhesion waterproof glue bed of material, the barrier film that are made up of self-adhesion waterproof sizing material from upper surface to lower surface;
Self-adhesion waterproof sizing material comprises by weight percentage:
90# pitch 35%-45%
Rubber oil 10%-15%
SBS2%-5%
Tackifying resin 2%-5%
Rubber rubber powder 8%-15%
Talcum powder 28%-40%.
3. adhesive waterproof coil as claimed in claim 2, is characterized in that: the two ends of described brute force intersection film waterproof roll are provided with landing edge.
4. adhesive waterproof coil as claimed in claim 3, it is characterized in that: the width of one end landing edge is 2-3cm, the width of the other end landing edge is 5cm.
5. a preparation method for self-adhesion waterproof sizing material, is characterized in that comprising the steps:
(1) being metered into weight percent is that the 90# pitch of 35%-45% is in reactor;
(2) in question response still, temperature rises to 175-185 DEG C to be metered into weight percent is whip modified at the SBS of 2%-5% continues to maintain the temperature at 180 DEG C-190 DEG C;
(3) being metered into tackifying resin that weight percent is 2%-5% and weight percent after 2 hours until SBS whip modified is continue whip modified at the rubber rubber powder of 8%-15% maintains the temperature at 180 DEG C-190 DEG C;
(4) add that to be metered into weight percent after rubber rubber powder stirs 0.5 hour be successively that the rubber oil of 10%-15% continues to maintain the temperature at 180 DEG C of-190 DEG C of whip modified;
(5), after treating that rubber oil adds 1 hour, colloidal mill is gone over;
(6) talcum powder that weight percent is 28%-40% is metered into, modification more than 0.5 hour at maintaining the temperature at 160 DEG C-170 DEG C;
(7) temperature is controlled 160 DEG C of-170 DEG C of dischargings.
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| CN105694806A (en) * | 2016-02-24 | 2016-06-22 | 栾海 | Bridge-deck waterproof bonding layer material and preparation method thereof |
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| CN107474793A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | Adhesive waterproof coil cementitious matter, its preparation method and waterproof roll prepared therefrom |
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Application publication date: 20160127 |