CN1397586A - Process for preparing coiled water-proof polyolefine material - Google Patents
Process for preparing coiled water-proof polyolefine material Download PDFInfo
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- CN1397586A CN1397586A CN 01120543 CN01120543A CN1397586A CN 1397586 A CN1397586 A CN 1397586A CN 01120543 CN01120543 CN 01120543 CN 01120543 A CN01120543 A CN 01120543A CN 1397586 A CN1397586 A CN 1397586A
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Abstract
A process for preparing coiled water-proof polyolefine material includes mixing polyolefine resin as basic material with optical stabilizer, antioxidizing agent, masking agent, lubricant and filter, shaping by calendering and hot pressing it onto high-strength non-woven polypropylene fibre or polyester fibre fabric. Its advantages are high water-proof, and impervious property, high weatherability, tension strength and friction coefficient and long service life.
Description
The present invention relates to polyolefin resin behind calendering formation with high strength polypropylene filament yarn non-woven fabrics or polyester needle punched non-woven fabrics through the fit manufacture method of the composite high-molecular waterproof roll made of hot melt and direct press single or double, belong to composite technology.
The present invention is because at present produce the production method of hot compound nonwoven cloth after the polyolefin sheets or woven cloth to extrude the T mould, because of T pattern gap, particularly change the difficult adjustment of specification, the thickness distribution inequality, and molten materials is big flow process ratio in T pattern chamber, hot-fluid is subject to discharge port (lip mould) gap, so productive rate is lower.The present invention especially for adapting to the overall quality performance requriements that waterproof roll uses, adopts polycomponent major ingredient and auxiliary agent full and uniform dispersion among base-material.These all are the bottleneck difficult problems of traditional expressing technique.
When polyolefine (Polyolefin) series material is heated to 200-230 ℃ of the complete processing temperature of general stretcher roll, oxidative phenomena very easily takes place, thereby thing viscosity is declined to a great extent, can not be from the heat roller tube sur-face peeling.Select formulating of recipe, fabrication process condition and the tooling of high-quality performance, behind calendering formation with the non-woven fabrics of high-intensity polymer long and short fiber, through hot melt and direct press fit manufacture a kind of structure completely newly, multi-usage, low cost, having the polymer waterproof, seepage control new technology material of good overall quality technical feature, is the waterproof, seepage control material of new generation after asphalt felt, synthetic rubber asphalt felt etc.Look into new data at home and abroad, still do not have the report precedent of calendering technology method polyolefin series material hot melt and direct press applying manufacturing waterproof roll.
Olefin polymer of the present invention, comprise height, new LDPE (film grade), ethene and alpha-olefin (propylene, butylene or octene) multipolymer, polypropylene, select ratio of mixture part (as to look the anti-height of product by the requirement of product use properties, low temperature dashes strong, elongation, anti tear, folding resistance etc..) choose 2-3 kind resin and calculate with the 100PHR major ingredient, wherein polyethylene is 0-80PHR, homopolymerization or Co-polypropylene 0-70PHR, ethene and alpha-olefin (propylene, butylene or octene) multipolymer 0-50PHR, the mobile speed MI of various resin melt is advisable with 0.15-8.0, for improving the product yield strength, rigidity, anti tear, high-elongation and toughness, the ethene and the alpha-olefin (propylene that add 0-50PHR, butylene or octene) multipolymer, MI selects for use between the 0.25-5.0.
Manufacture method of the present invention (employing press production line) is compared with traditional forcing machine T mold technique method, maximum difference aspect formulating of recipe is that present method adopts weighting agent, lubricant, use ultra-fine two-pack activation water-ground limestone, fineness is 1250 orders, for improving the avidity of lime carbonate in polymkeric substance, select surface treated treated carbonates for use, surface treatment agent commonly used is a stearic acid, organic surface active agent such as titanate ester or silicane (two-pack is used to good), loading level is 0-50PHR, detect and try out through goods, not only significantly improve the processing characteristics of moulding product, dimensional stability, improve the reinforcement and the resistance to impact shock of goods, particularly weighting agent cooperates with lubricant, improve the polyolefine melt at high temperature, viscosity under the high shear process condition, be easy to from the stretcher roll sur-face peeling, behind doff roll, fit immediately with non-woven fabrics hot melt and direct press single or double, and traditional T mould expressing technique, the influence of restrictions such as the weighting agent addition is subjected to that interior molten materials transverse flow distribution of die cavity and lip die clearance are stopped up easily, behind the absorb fillers, be difficult to realize stable.
The reason that adds lubricant in the prescription, be particularly can improve the easy release of material to hot rolls, rolling mill roller surface for the internal friction between the reduction processing of polyolefins molten materials molecule and external friction, the oxidation adhesion effect on melt and processor surface.Usually use lipid acid and ester class thereof, metallic soap class, hydro carbons etc. lubricated, general with measuring 0.2-3HPR, the consistency of Ying Zeqi and material is avoided causing and is oozed out displacement, fouling, and influence or reduction and non-woven fabrics hot melt and direct press appropriateness are closed the stripping strength of back and base material.
In processing, storage, application process, contact and produce oxidative degradation and be subjected to UV-irradiation degraded-photoaging in order to suppress or to delay polyolefin resin with oxygen, improve the weathering resistance of goods, increase the work-ing life of waterproof roll, add oxidation inhibitor and screener in the prescription.
Oxidation inhibitor adopts phenols, phosphorous acid esters etc. more, and is as oxidation inhibitor 246, DLTP etc., general with measuring 0.1-1.5 proportioning (PHR); Screener can be rated as makes the important auxiliary agent of waterproof roll.In polyolefin resin, add the 1.0PHR thermally oxidized black, can prolong goods work-ing life-weathering resistance 25-30.Because carbon black (Carbon black) is a kind of dynamical photomask agent, it almost can absorb visible light fully, and light reflection ultraviolet though goods can only become black, is used and had no effect waterproof, impervious material consumingly.The oxygen shield effectiveness against sunshine of carbon black and its kind, granularity and be used in consumption in the goods, dispersiveness has important relationship.The present invention selects easy processing channel black for use, and granularity is the 15-25 nanometer, consumption 1.0-2.5PHR, because the processing condition decision of adopting calendering to produce, dispersiveness is far superior to the expressing technique of any method.
Product performance characteristics of the present invention: good comprehensive technical performance such as have high water-proof impervious performance, high tensile, the low temperature flexibility is good, the line volume coefficient is little, frictional coefficient is big, the distortion adaptive faculty is strong, the thermal adaptation scope is wide, fabric width, long service life and processing cost are low.The handling characteristics of product: surface irregularity evenly, easily bonding, be fit to the basic unit of multiple material bonding, can be directly bonding in process of setting, and can under basic unit's moisture conditions, paste with cement material.This product use range is wide, is not only applicable to the roofing of I--IV level all types of industries, covil construction and underground waterproof, antiseepage, protection against the tide, also is applicable to waterproofing works such as metallurgy, chemical industry, water conservancy, environmental protection, highway, subway, tunnel.
Below explanation the present invention makes the method and traditional manufacture method of commonly using forcing machine T mould of waterproof roll with rolling press, and economy, technical indicator briefly are compared as follows:
| The present invention rolls manufacture method | Commonly use the molded making method of forcing machine T | |
| Production efficiency | 10-50 rice/minute | 2-8 rice/minute |
| The replacing gauge thickness is adjusted | Automatically finished in program control 1 minute | Tens manual screwing of bolt, the skilled worker needs more than 30 minutes |
| Thickness distribution | Good, can reach ± 0.005mm | Inequality, poor |
| The product rerum natura | Good | Difference |
| The material dispersiveness | Good, steady quality | Difference |
| Auxiliary agent is used | Can preferably drop into | Limited by processing condition |
| Reach back the system material in one's ear | All use | Limited |
| The production product cost | Low | High |
Because the rolling process production technique can make the waterproof roll fabric width of making reach 2 meters, and the waterproof roll fabric width that goes out with other explained hereafter such as T moulds can only reach 1 meter-1.35 meters.
Below be described as follows with regard to the main and auxiliary machine equipment technical process of each of press production line of the present invention and device parameter, control condition:
One, metering, high mixes, banburying, opens refining, filtration
Press recipe ingredient and set basin, the electronic scales automatic gauge drops in the high speed kneader, adds thermal recovery electricity or steam and all can.500 rev/mins of kneader revolutions, the time is about 4-5 minute, drops into afterwards in the Banbury mixer, and this section pulverizes the ear material or the system material of returning can be pressed the still input in 10% ratio.Sending into thick, smart mill after the banburying further plastifies, and send into automatically in the filter dog-house, door-plate is an oil pressure switch type screen replacing device, extrudes with cylindrical filtration, filter screen is advisable for three layers with 40,60,80 orders, delivers to rolling press by stepless change control head-swinging type conveying belt afterwards.This section equipment configuration is to commonly use press production line similar.Describe in detail slightly.
Two, rolling press is that contrary L type or Z type four roller silicon controlled rectifier direct current lists drive, and roller is boring formula (D formula) alloy forged steel defibrator process processing, for guarantee products thickness distribution precision (± 0.005mm) the roller Young's modulus should be greater than 2.0 * 10
6Kg/cm
2Preferable rigidity.The sort of cavity (B formula) traditional cold is watered cast iron rubber stretcher roll, and brasses axle bush, steam-heated legacy device should not use.The roller heating carrier adopts superheated water, circulating hot oil all can.Processing of polyolefins waterproof roll linear velocity is 10-50m/min, and the roller surface temperature is pressed between 165---205 ℃ and determined with the prescription differing materials.1 ℃ of the roller surface temperature difference.
Three, doff roll (TAKEOFF ROLL): be that four reducing rollers are formed, the deep fat heating is about 1 with IV stretch of drum ratio: 1.25--1: 1.5, and the roller temperature should be set than low 5--10 ℃ of IV roller,
Four, embossing roller (EMBOSSING ROLL): form by a steel rider and a silica gel roller.Wherein one fixing and by dc speed-changing and main frame program control driving, about another with oil pressure or pneumaticpiston folding simultaneously up and down, during work steel, rubber roll all need cool off with cold water.
Five, laminating apparatus; For single, double compound nonwoven cloth of waterproof roll polyolefine substrate or woven cloth, in the hope of strengthening its physical strength, strengthen single, double frictional coefficient (with saturated medium sand F 〉=0.5), make surface irregularity evenly, easily bonding, and can be moist directly bonding in process of setting with cement layer in basic unit, so need online in, embossing roller is upper and lower set up lead out, launch, upper and lower two cover laminating apparatus that structures such as correction, preheating are formed.The non-woven fabrics of bundle volume by the frequency transformer tensioning deliver to deviation correcting device (with pneumatic or phototube control all can), through launch deflector roll after cornerite preheating roller tube greatly is with preheating upper and lower non-woven fabrics or work out cloth to send into three layers or two layers vertical compression of polyolefin sheets of embossing roller and hot melt compound.In the middle of the upper and lower laminating apparatus, need set up service platform, be convenient to more operation such as change of lap bundle and work feed, seam, need set up 2 tons of suspenders of guide rail mobile manual, be used for the conveyance composite sheet material with top, production line normal direction center.Particularly online applying can improve the stripping strength of waterproof roll.
Six, cooling unit (COOLING TRAIN): form by eight running rollers, plating hard chromium on surface, interlayer leads to water coolant, and only the interlayer of VII, VIII roller can lead to water coolant, steam two-purpose, for goods internal stress and the application of other purposes are eliminated in tempering.
Seven, central coiling machine (CENTER WINDER): because rolling process waterproof roll goods fabric width, rolling linear velocity are fast, and thick, particularly the goods of big gram weight specification adopt surface friction to batch, manual cut is difficult to high quality and goes to implement, so should adopt the full-automatic central coiling machine of two, three stations.2.4 meters of rolling width, rolling maximum diameter 800mm, speed 10-100m/min; Use the automatic moment crosscut of multitool chip (26 cuttves) tension control to cut.Central coiling machine both sides are equipped with automatic tension and control wrap-up in one's ear.Circular wheeled cutting knife is adopted in cutting in one's ear, and the goods volume is thick neat.
The waterproof roll of process for processing of the present invention, the only suitable extrusion molding processes sheet material of breakthrough polyolefin resin (as: the T-mould is extruded, blown film is extruded, curtain coating is extruded etc.), difficulty is given the bottleneck problem with rolling process processes olefin polymer sheet material, so highlight the superiority that adopts rolling process processing waterproof roll, as the productive rate height, change specification fast, base material thickness be evenly distributed (irregular because of thickness distribution, that the fraud of resistance to compression, anti-impact, tear-resistant equal strength stress concentration is arranged in the use); Auxiliary agent can preferably use and not be subjected to process technology limit (as weighting agent), the material dispersiveness good (because of through too highly mix, banburying, thick essence open operations such as refining, filtration, calendering, plasticizing, dispersion are fully, improve quality of item, clear entirely as screener carbon black and oxidation inhibitor five equilibrium, can improve goods work-ing life above 30 years), characteristics are that product cost is than expressing technique low by 1/4 (this is a considerable surprising economic figure to national construction costs).
The present invention has following accompanying drawing:
Fig. 1 process flow sheet of the present invention.
In order to understand content of the present invention, now can make the example of polyolefin composite waterproof roll with rolling process, but be not to limit scope of the present invention with this with following example explanation the inventive method.
Example one
Material name proportioning (PHR)
Polyethylene 70
Linear low density polyethylene 30
Oxidation inhibitor 0.8
Fatty acid ester lubricant 0.8
Screener 1.5
Active superfine weighting agent 30
With sending into the Banbury mixer banburying after the kneading of high speed kneader, deliver to open thick afterwards, refiner (temperature is set 130 ℃), automatically be cut into the strip shape after refining is moulded and send into filter, extrude to filter and be cylindric and send into rolling press by the head-swinging type conveying belt, the roller temperature is set at 165-175 ℃, speed difference 1.5-2.0m/min between each roller, doff roll and moulding IV roller speed ratio 1: 1.5,145 ℃ of temperature, to descend afterwards laminating apparatus (single face is compound) or on, send into hot melt pressing between the embossing roller after the non-woven fabrics of following laminating apparatus (two-sided compound) derivation or the woven cloth preheating, advance to cool off unit, through cutting in one's ear, central coiling is to finished product.
The 300g/m that makes with aforesaid method and processing condition
2The two-sided composite water-proof rolled material of specification detects (establishing criteria GB50207-94) through engineering quality supervision inspection center, Heilongjiang Province, and its rerum natura is as follows:
| Sequence number | Interventions Requested | Standard-required | Assay | The individual event conclusion | |
| ????1 | Tensile strength Mpa | ????≥9 | ????10.1 | Qualified | |
| ????2 | Elongation at break % | ????≥10 | ????68 | Qualified | |
| ????3 | Low-temperature bending | -20 ℃ of flawlesses | -40 ℃ of flawlesses | Qualified | |
| ????4 | Watertightness | Pressure Mpa, | ????≥0.3 | Meet | Qualified |
| Hold-time min | ????≥30 | Meet | Qualified | ||
| ????5 | Thermal ageing conservation rate % (80 ± 2 ℃, 168h) | Tensile strength 〉=80 | ????87.1 | Qualified | |
| Elongation at break 〉=70 | ????73.5 | Qualified | |||
Example two
Material name proportioning (PHR)
Polyethylene 30
Polypropylene 50
Linear low density polyethylene 20
Oxidation inhibitor 1.0
Fatty acid ester lubricant 0.8
Screener 1.5
Active superfine weighting agent 40
Adopt this prescription, equipment, technology and example one are basic identical, but each procedure technology temperature all need improve 20-25 ℃.Prescription and the 500g/m that makes of processing condition thus
2The two-sided composite water-proof rolled material of specification detects (establishing criteria GB50207-94) through engineering quality supervision inspection center, Heilongjiang Province, and its rerum natura is as follows:
| Sequence number | Interventions Requested | Standard-required | Assay | The individual event conclusion | |
| ????1 | Tensile strength Mpa | ????≥9 | ????10.2 | Qualified | |
| ????2 | Elongation at break % | ????≥10 | ????52 | Qualified | |
| ????3 | Low-temperature bending | -20 ℃ of flawlesses | -40 ℃ of flawlesses | Qualified | |
| ????4 | Watertightness | Pressure Mpa, | ?????≥0.3 | Meet | Qualified |
| Hold-time min | ?????≥30 | Meet | Qualified | ||
| ????5 | Thermal ageing conservation rate % (80 ± 2 ℃, 168h) | Tensile strength 〉=80 | ????90.2 | Qualified | |
| Elongation at break 〉=70 | ????80.8 | Qualified | |||
Example three
Material name proportioning (PHR)
Polyethylene 50
Linear low density polyethylene 50
Oxidation inhibitor 1
Fatty acid ester lubricant 1
Screener 1.5
Active superfine weighting agent 30
With sending into the Banbury mixer banburying after the kneading of high speed kneader, deliver to open thick afterwards, refiner (temperature is set 130 ℃), automatically be cut into the strip shape after refining is moulded and send into filter, extrude to filter and be cylindric and send into rolling press by the head-swinging type conveying belt, the roller temperature is set at 165-175 ℃, speed difference 1.5-2.0m/min between each roller, doff roll and moulding IV roller speed ratio 1: 1.5,145 ℃ of temperature, to descend afterwards laminating apparatus (single face is compound) or on, send into hot melt pressing between the embossing roller after the non-woven fabrics of following laminating apparatus (two-sided compound) derivation or the woven cloth preheating, advance to cool off unit, through cutting in one's ear, central coiling is to finished product.
The 400g/m that makes with aforesaid method and processing condition
2The two-sided composite water-proof rolled material of specification detects (establishing criteria GB50207-94) through engineering quality supervision inspection center, Heilongjiang Province, and its rerum natura is as follows:
| Sequence number | Interventions Requested | Standard-required | Assay | The individual event conclusion | |
| ????1 | Tensile strength Mpa | ????≥9 | ????12.6 | Qualified | |
| ????2 | Elongation at break % | ????≥10 | ????76 | Qualified | |
| ????3 | Low-temperature bending | -20 ℃ of flawlesses | -60 ℃ of flawlesses | Qualified | |
| ????4 | Watertightness | Pressure Mpa, | ????≥0.3 | Meet | Qualified |
| Hold-time min | ????≥30 | Meet | Qualified | ||
| ????5 | Thermal ageing conservation rate % (80 ± 2 ℃, 168h) | Tensile strength 〉=80 | ????88.1 | Qualified | |
| Elongation at break 〉=70 | ????78.9 | Qualified | |||
Claims (3)
1, a kind of manufacture method of polyolefin composite waterproof roll, it is characterized in that: this method is to be base material with many components polyolefine, it is formulated to be aided with photostabilizer, oxidation inhibitor, screener, lubricant and weighting agent etc., through high speed kneading, banburying or extrude, mixing, open refining, filter and to deliver to the calendering unit, deflect from the back and under the hot melt state, become macromolecular compounded waterproof material with high strength polypropylene filament yarn non-woven fabrics, polyester needle punched non-woven fabrics or the online vertical compression of woven cloth by the work feed laminating apparatus, again through cooling tempering, ear material cut, central coiling forms.
2, the manufacture method of a kind of polyolefin composite waterproof roll according to claim 1, it is characterized in that: the polyolefine total amount is pressed 100PHR, wherein polyethylene is 0-80PHR, homopolymerization or Co-polypropylene 0-70PHR, ethene and alpha-olefin (propylene, butylene or octene) multipolymer 0-50PHR, oxidation inhibitor 0.1-1.5PHR, lubricant 0.2-3PHR, screener 1-2.5PHR, two-pack activation calcium carbonate superfine powder 0-50PHR.
3, the manufacture method of a kind of polyolefin composite waterproof roll according to claim 2, it is characterized in that: the melt flow rate (MFR) of polyvinyl resin is 0.15-8.0g/10min, the melt flow rate (MFR) of ethene and alpha-olefin (propylene, butylene or octene) multipolymer is 0.25-5.0g/10min, and the melt flow rate (MFR) of acrylic resin is 0.25-5.0g/10min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120543 CN1397586A (en) | 2001-07-20 | 2001-07-20 | Process for preparing coiled water-proof polyolefine material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120543 CN1397586A (en) | 2001-07-20 | 2001-07-20 | Process for preparing coiled water-proof polyolefine material |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318497C (en) * | 2004-04-09 | 2007-05-30 | 陆亚建 | Compound flame retardant waterproof roll made from polyvinyl propylene macromolecule, and prodn. thereof |
| CN102423952A (en) * | 2011-08-31 | 2012-04-25 | 常州日月机械有限公司 | Production method and device of waterproof rolled material |
| CN102644158A (en) * | 2012-04-01 | 2012-08-22 | 宁波山泉建材有限公司 | Polyolefin mesh fabric, preparation method and application thereof |
| CN102912941A (en) * | 2012-11-13 | 2013-02-06 | 天津市禹红建筑防水材料有限公司 | Roofing polyolefin polymer waterproof coiled material with anti-aging layer |
| CN103031929A (en) * | 2011-10-09 | 2013-04-10 | 王洪波 | Self-adhesion type thermoplastic elastomer single-layer roof waterproof roll formula |
| CN103242582A (en) * | 2013-06-04 | 2013-08-14 | 苏州兆丰塑胶有限公司 | Anti-flaming master batch for waterproof roll and method for producing waterproof roll by anti-flaming master batch |
| CN103467830A (en) * | 2013-09-29 | 2013-12-25 | 郑金光 | Production process of polyethylene polypropylene fiber composite waterproof coiled material |
| CN103538260A (en) * | 2012-07-09 | 2014-01-29 | 宏祥新材料股份有限公司 | Production process for self-exhausting waterproof coiled material of water conservancy project |
| CN103923393A (en) * | 2014-04-30 | 2014-07-16 | 昆山科顺防水材料有限公司 | Waterproof coiled material and preparation method and equipment thereof |
| CN104441887A (en) * | 2014-11-19 | 2015-03-25 | 岳阳东方雨虹防水技术有限责任公司 | Fire-retardant thermoplastic polyolefin waterproof roll and preparation method thereof |
| CN104802491A (en) * | 2015-01-26 | 2015-07-29 | 岳阳东方雨虹防水技术有限责任公司 | TPO coiled material combination device, and application method thereof |
-
2001
- 2001-07-20 CN CN 01120543 patent/CN1397586A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318497C (en) * | 2004-04-09 | 2007-05-30 | 陆亚建 | Compound flame retardant waterproof roll made from polyvinyl propylene macromolecule, and prodn. thereof |
| CN102423952A (en) * | 2011-08-31 | 2012-04-25 | 常州日月机械有限公司 | Production method and device of waterproof rolled material |
| CN103031929A (en) * | 2011-10-09 | 2013-04-10 | 王洪波 | Self-adhesion type thermoplastic elastomer single-layer roof waterproof roll formula |
| CN102644158A (en) * | 2012-04-01 | 2012-08-22 | 宁波山泉建材有限公司 | Polyolefin mesh fabric, preparation method and application thereof |
| CN102644158B (en) * | 2012-04-01 | 2014-06-11 | 宁波山泉建材有限公司 | Polyolefin mesh fabric, preparation method and application thereof |
| CN103538260A (en) * | 2012-07-09 | 2014-01-29 | 宏祥新材料股份有限公司 | Production process for self-exhausting waterproof coiled material of water conservancy project |
| CN102912941A (en) * | 2012-11-13 | 2013-02-06 | 天津市禹红建筑防水材料有限公司 | Roofing polyolefin polymer waterproof coiled material with anti-aging layer |
| CN103242582A (en) * | 2013-06-04 | 2013-08-14 | 苏州兆丰塑胶有限公司 | Anti-flaming master batch for waterproof roll and method for producing waterproof roll by anti-flaming master batch |
| CN103467830A (en) * | 2013-09-29 | 2013-12-25 | 郑金光 | Production process of polyethylene polypropylene fiber composite waterproof coiled material |
| CN103923393A (en) * | 2014-04-30 | 2014-07-16 | 昆山科顺防水材料有限公司 | Waterproof coiled material and preparation method and equipment thereof |
| CN104441887A (en) * | 2014-11-19 | 2015-03-25 | 岳阳东方雨虹防水技术有限责任公司 | Fire-retardant thermoplastic polyolefin waterproof roll and preparation method thereof |
| CN104802491A (en) * | 2015-01-26 | 2015-07-29 | 岳阳东方雨虹防水技术有限责任公司 | TPO coiled material combination device, and application method thereof |
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