CN103554629B - A kind of TPO waterproof roll and production technique thereof - Google Patents

A kind of TPO waterproof roll and production technique thereof Download PDF

Info

Publication number
CN103554629B
CN103554629B CN201310457103.6A CN201310457103A CN103554629B CN 103554629 B CN103554629 B CN 103554629B CN 201310457103 A CN201310457103 A CN 201310457103A CN 103554629 B CN103554629 B CN 103554629B
Authority
CN
China
Prior art keywords
waterproof roll
parts
tpo
tpo waterproof
production technique
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310457103.6A
Other languages
Chinese (zh)
Other versions
CN103554629A (en
Inventor
孙剑
郑建勇
辛爱亮
马英烈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongyuan Waterproof Technology Group Co ltd
Original Assignee
WEIFANG HONGYUAN WATERPROOF MATERIAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WEIFANG HONGYUAN WATERPROOF MATERIAL CO Ltd filed Critical WEIFANG HONGYUAN WATERPROOF MATERIAL CO Ltd
Priority to CN201310457103.6A priority Critical patent/CN103554629B/en
Publication of CN103554629A publication Critical patent/CN103554629A/en
Application granted granted Critical
Publication of CN103554629B publication Critical patent/CN103554629B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide

Abstract

The invention provides a kind of TPO waterproof roll, with listed as parts by weight, comprising: POE40 ~ 60 part, LDPE15 ~ 35 part, light calcium carbonate 25 ~ 27 parts, UV light absorber 0.1 ~ 1.5 part, primary antioxidant 0.1 ~ 0.5 part, auxiliary anti-oxidant 0.2 ~ 0.8 part, stearic acid 0.2 ~ 0.5 part and titanium dioxide 2.0 ~ 5.0 parts.The waterproof roll gone out through this explained hereafter has that intensity is high, ageing-resistant, paracentesis resistance is strong, unit elongation is high, deformation resistant ability strong, fixing reliable and good water-proof effect, in addition, product pliability is moderate, weldability and welding strength high, convenient construction.

Description

A kind of TPO waterproof roll and production technique thereof
Technical field
The present invention relates to waterproof roll field, particularly relate to a kind of TPO waterproof roll and production technique thereof.
Background technology
As everyone knows, along with the fast development of urbanization, all kinds of buildings is also increasing to the requirement of waterproof roll, also more and more higher to the quality requirements of waterproof roll, buildings waterproof association of China also repeatedly advocates each waterproofing membrane production manufacturer constantly will research and develop product innovation, for in modern architectural waterproof material, there is strict control to the quality of waterproof roll simultaneously.
TPO machine TPO, by the polymerization technique of advanced person, by ethylene-propylene rubber(EPR) synthetic resins together with polypropylene polymerization, synthesized resin had both had low temperature flexibility and the weathering resistance of ethylene-propylene rubber(EPR), possesses polyacrylic high tensile simultaneously, but, for TPO waterproof roll, the reliability being easy to welding and welding strength weighs the major criterion of TPO waterproof roll, especially the waterproof roll that loading level is higher, the welding strength of consumption to TPO waterproof roll of filler has very large negative impact, also be the important factor having a strong impact on waterproof roll quality, also be the direction of the needs further investigation of current TPO waterproof roll.
The quality of architectural waterproof material and directly can have influence on the quality of construction work work-ing life, there is the shortcomings such as high temperature trickling, low temperature brittleness in traditional asphalt waterproofing material, and construction process is more loaded down with trivial details, is eliminated gradually.At present, TPO waterproof roll as effective building roof waterproof material, by increasing user is accepted.TPO waterproof roll is the water-proof material that weather resistance is best so far, can expose use more than 50 years in an atmosphere, and does not use softening agent in TPO coiled material production process, there is not plasticizer migration problem.TPO coiled material weather resistance is superior, uvioresistant, resistance to ozone; Intensity is higher, and paracentesis resistance is strong; Unit elongation is high, and deformation resistant ability is strong, and TPO waterproof roll adopts mechanical Fixing Method construction, and easy construction is quick.
Summary of the invention
The technical problem to be solved in the present invention is for the weak point existing for prior art, a kind of TPO waterproof roll and production technique thereof are provided, the waterproof roll gone out through this explained hereafter has that intensity is high, ageing-resistant, paracentesis resistance is strong, unit elongation is high, deformation resistant ability strong, fixing reliable and good water-proof effect, in addition, product pliability is moderate, weldability and welding strength high, convenient construction.
Technical solution of the present invention is, following a kind of TPO waterproof roll is provided, with listed as parts by weight, comprising: POE 40 ~ 60 parts, LDPE15 ~ 35 part, light calcium carbonate 25 ~ 27 parts, UV light absorber 0.1 ~ 1.5 part, primary antioxidant 0.1 ~ 0.5 part, auxiliary anti-oxidant 0.2 ~ 0.8 part, stearic acid 0.2 ~ 0.5 part and titanium dioxide 2.0 ~ 5.0 parts.
Described POE is TPO.The Thermoplastic Elastomer, Olefinic POE selected has narrower molecular weight distribution, without the existence of lower molecular weight and oligomer, ensure that the weldability of TPO waterproof roll and the reliability of welding strength.
Described LDPE is linear or non-linear Low Density Polyethylene.The film thermal sealing property of linear low density polyethylene is good, and heat sealing strength is also high.
Through the process of silane coupling agent activity, activated Calcium carbonate need be made when described light calcium carbonate uses.Make calcium carbonate and Thermoplastic Elastomer, Olefinic have good consistency, guarantee that calcium carbonate is not easily separated out from goods.
Described UV light absorber is UV-9; Described primary antioxidant is antioxidant 1010; Described auxiliary anti-oxidant is irgasfos 168, and to be antioxidant 1010 and auxiliary anti-oxidant be described primary antioxidant that irgasfos 168 is 1:2 by weight.Selected UV-9, antioxidant 1010 and irgasfos 168 product are comparatively ripe, and apparent availability is sufficient, and old cheap, stable performance.
A kind of TPO waterproofing membrane production technique, step is as follows:
A. mediate: LDPE 15 ~ 35 parts, light calcium carbonate 25 ~ 27 parts, UV light absorber 0.1 ~ 1.5 part, primary antioxidant 0.1 ~ 0.5 part and auxiliary anti-oxidant 0.2 ~ 0.8 part are joined in high-speed kneading machine and mediate, mediating built-in temperature controls at 85 ~ 95 DEG C, and kneading time is 5 ~ 6 minutes; Evenly join in high-speed kneading machine by the hard phosphoric acid of 0.2 ~ 0.5 part, keeping mediating temperature in kneader is 85 ~ 95 DEG C, and constant temperature is mediated 1 ~ 2 minute, and in kneading process, kneader internal pressure is 0.4 ± 0.1 MPa, guarantees that above material dispersion is even;
B. granulation: by the material after mediating by granulator granulation, makes to obtain between pellet and powder dispersed; Control dual-screw-stem machine cylinder temperature during granulation and remain on 150 ~ 180 DEG C, head temperature is set in 175 DEG C;
C. extrusion calendaring: when adopting twin screw extruder to extrude, POE pellet is mixed with masterbatch, extrude through twin screw extruder plasticizing, in extrusion, extruder barrel temperature control is at 180 ~ 200 DEG C, die head temperature controls at 190 ~ 210 DEG C, head temperature controls at 210 ~ 230 DEG C, and wherein head temperature is raised to both sides gradually by centre;
D. through tri-roll press machine calendering formation: shaped by shaping equipment tri-roll press machine, and through 10 meters of transfer limes air coolings; Finally cut by specified dimension, batch, put in storage.
As preferably, the index of the waterproof roll gone out produced by the production technique of above-mentioned TPO waterproof roll is: tensile strength longitudinal direction is 18.4Mpa, is laterally 17.8Mpa, elongation at break is longitudinally 719%, transverse direction is 684%, tear strength longitudinal direction is 75N/mm, transverse direction is 72 N/mm, and thermal treatment size changing rate is longitudinally 0.53%, transverse direction is 0.46%.
The Thermoplastic Elastomer, Olefinic molecular weight distribution that the present invention selects is narrower, there is not lower molecular weight and oligomer, strong to calcium carbonate powder covering property, through the calcium carbonate of activity process and POE consistency good; The good-extensibility of POE own, normally can use between-50 ~ 110 DEG C, and LDPE adds the tensile strength and tear strength that improve coiled material; There is not double bond structure in POE molecule, ageing-resistant performance is excellent.The various performances of comprehensive above polymkeric substance, make produced TPO waterproof roll have excellent high and low temperature resistance, ageing-resistant performance, tensile property and anti-deformation; Weldability is strong and welding strength is solid and reliable, constructability; The production method cost of TPO waterproof roll of the present invention is low, and technique is simple, and easy to operate, environmentally safe, and long service life are a kind of environmentally friendly polymer coiled materials.
Embodiment
For ease of illustrating, a kind of TPO waterproof roll invented and production technique thereof are elaborated.
Embodiment 1:
A kind of TPO waterproof roll, with listed as parts by weight, be the titanium dioxide of TPO (POE), 25 parts of Low Density Polyethylenes (LDPE), 25 parts of light calcium carbonates through the process of silane coupling agent activity, the UV-9 UV light absorber of 0.2 part, 1010 primary antioxidants of 0.1 part, 168 auxiliary anti-oxidants of 0.2 part, the stearic acid of 0.3 part and 3.0 parts comprising: 50 parts of main components.
A kind of step of production technique of TPO waterproof roll is as follows:
A. mediate: 25 parts of Low Density Polyethylenes (LDPE), 25 parts of light calcium carbonates through the process of silane coupling agent activity, the UV-9 UV light absorber of 0.2 part, 1010 primary antioxidants of 0.1 part, 168 auxiliary anti-oxidants of 0.2 part are joined in high-speed kneading machine and mediate, ensure before adding that mediating built-in temperature remains on 90 ± 5 DEG C, kneading time is 5 minutes, in kneading process, kneader internal pressure is 0.4 ± 0.1 MPa, guarantees that above material dispersion is even;
The stearic acid of 0.2 ~ 0.5 part is evenly joined high-speed kneading mechanism, and keeping mediating temperature in kneader is 90 ± 5 DEG C, and constant temperature mediates 1 minute, and keeps kneader internal pressure in kneading process to be 0.4 ± 0.1 MPa, and makes that stearic acid is dispersed to come;
B. granulation: by the material after mediating by granulator granulation, makes to obtain between pellet and powder dispersed; Control dual-screw-stem machine cylinder temperature during granulation and remain on 150 DEG C, head temperature is set in 175 DEG C, obtained masterbatch;
C. extrusion calendaring: when adopting screw extrusion press to extrude, first POE pellet is mixed with masterbatch, extrude through twin screw extruder plasticizing, in extrusion, extruder barrel temperature control is at 190 ± 10 DEG C, die head temperature controls at 200 ± 10 DEG C, head temperature controls at 220 ± 10 DEG C, and wherein head temperature is raised to both sides gradually by centre;
D. through tri-roll press machine calendering formation: shaped by shaping equipment tri-roll press machine, and through 10 meters of transfer limes air coolings; Finally by specified dimension cutting, batch, warehouse-in.
Embodiment 2:
A kind of TPO waterproof roll, contrast with embodiment 1, when other condition is completely identical with embodiment 1, only change the number of Low Density Polyethylene (LDPE), 30 parts of Low Density Polyethylenes are got in embodiment 2, the weight part of other each component does not change, and produces according to the production technique of the TPO waterproof roll described in embodiment 1, preparation TPO waterproof roll.
Embodiment 3:
A kind of TPO waterproof roll, contrast with embodiment 1, when other condition is completely identical with embodiment 1, only change the number of Low Density Polyethylene (LDPE), 35 parts of Low Density Polyethylenes are got in embodiment 3, the weight part of other each component does not change, and produces according to the production technique of the TPO waterproof roll described in embodiment 1, preparation TPO waterproof roll.
The TPO waterproof roll prepared according to above-mentioned three embodiments is carried out Performance Detection, the data drawn after testing are known, the aspect of performance of content to TPO waterproof roll of Low Density Polyethylene (LDPE) plays critical effect, and its detected result is as shown in table 1:
Table 1:
By known in table 1, the impact of content on the TPO waterproof roll produced of Low Density Polyethylene (LDPE) is as follows: tensile strength and tear strength increase along with the increasing of content of LDPE; The velocity of variation of elongation at break and thermal treatment size reduces along with the increasing of content of LDPE, Low Density Polyethylene (LDPE) content number little in the low temperature bending impact of TPO waterproof roll, all current industry standard and service requirements can be met in above-mentioned three embodiments, subzero 40 DEG C time, no matter be longitudinal or horizontal, all there will not be crackle.
But, through considering the environment for use, execution conditions etc. of TPO waterproof roll, the TPO waterproof roll prepared by embodiment 1 and embodiment 3 is better than by the TPO waterproof roll over-all properties prepared by embodiment 2, waterproof roll described in embodiment 2 belongs to optimal technical solution, and obtained TPO waterproof roll over-all properties is best.
It should be noted that, patent of the present invention is apart from outside Special Statement, and the described proportion relation by composition all calculates according to weight part.
In the above-described embodiments, preferred forms of the present invention is described, obviously, under inventive concept of the present invention, still can make a lot of change.At this, should illustrate, any change made under inventive concept of the present invention all will fall within the scope of protection of the present invention.

Claims (5)

1. the production technique of a TPO waterproof roll, it is characterized in that: with listed as parts by weight, comprising: TPO POE 40 ~ 60 parts, LDPE 35 ~ 15 parts, light calcium carbonate 25 ~ 27 parts, UV light absorber 0.1 ~ 1.5 part, 0.3 ~ 1.3 part, oxidation inhibitor, stearic acid 0.2 ~ 0.5 part and titanium dioxide 2.0 ~ 5.0 parts;
The production technique of described TPO waterproof roll comprises the following steps:
A. mediate: LDPE 35 ~ 15 parts, light calcium carbonate 25 ~ 27 parts, UV light absorber 0.1 ~ 1.5 part, primary antioxidant 0.1 ~ 0.5 part and auxiliary anti-oxidant 0.2 ~ 0.8 part are joined in high-speed kneading machine and mediate, mediating built-in temperature controls at 85 ~ 95 DEG C, and kneading time is 5 ~ 6 minutes; Evenly joined by the stearic acid of 0.2 ~ 0.5 part in high-speed kneading machine, keeping mediating temperature in kneader is 85 ~ 95 DEG C, and constant temperature is mediated 1 ~ 2 minute, and in kneading process, kneader internal pressure is 0.4 ± 0.1 MPa, guarantees that above material dispersion is even;
B. granulation: by the material after mediating by granulator granulation, makes to obtain between pellet and powder dispersed; Control dual-screw-stem machine cylinder temperature during granulation and remain on 150 ~ 180 DEG C, head temperature is set in 175 DEG C, obtained masterbatch;
C. extrusion calendaring: when adopting twin screw extruder to extrude, TPO POE pellet is mixed with masterbatch, extrude through twin screw extruder plasticizing, in extrusion, extruder barrel temperature control is at 180 ~ 200 DEG C, die head temperature controls at 190 ~ 210 DEG C, head temperature controls at 210 ~ 230 DEG C, and wherein head temperature is raised to both sides gradually by centre;
D. through tri-roll press machine calendering formation: shaped by shaping equipment tri-roll press machine, and through 10 meters of transfer limes air coolings; Finally cut by specified dimension, batch, put in storage;
The index of described TPO waterproof roll is: tensile strength longitudinally for 18.4Mpa, be laterally 17.8Mpa, elongation at break is longitudinally 719%, be laterally 684%, tear strength longitudinally for 75N/mm, be laterally 72 N/mm; The index of described TPO waterproof roll is: thermal treatment size changing rate is longitudinally 0.53%, transverse direction is 0.46%.
2. the production technique of TPO waterproof roll according to claim 1, is characterized in that: described light calcium carbonate is the activated Calcium carbonate through the process of silane coupling agent activity.
3. the production technique of TPO waterproof roll according to claim 2, is characterized in that: described UV light absorber is UV-9.
4. the production technique of TPO waterproof roll according to claim 3, is characterized in that: described oxidation inhibitor comprises primary antioxidant 1010 and auxiliary anti-oxidant 168.
5. the production technique of TPO waterproof roll according to claim 4, is characterized in that: to be antioxidant 1010 and auxiliary anti-oxidant be described primary antioxidant that irgasfos 168 is 1:2 by weight.
CN201310457103.6A 2013-09-30 2013-09-30 A kind of TPO waterproof roll and production technique thereof Active CN103554629B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310457103.6A CN103554629B (en) 2013-09-30 2013-09-30 A kind of TPO waterproof roll and production technique thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310457103.6A CN103554629B (en) 2013-09-30 2013-09-30 A kind of TPO waterproof roll and production technique thereof

Publications (2)

Publication Number Publication Date
CN103554629A CN103554629A (en) 2014-02-05
CN103554629B true CN103554629B (en) 2015-09-16

Family

ID=50009004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310457103.6A Active CN103554629B (en) 2013-09-30 2013-09-30 A kind of TPO waterproof roll and production technique thereof

Country Status (1)

Country Link
CN (1) CN103554629B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109648937A (en) * 2018-11-14 2019-04-19 科顺防水科技股份有限公司 A kind of high abrasion elastic rubber waterproof roll and preparation method thereof

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953127B (en) * 2014-05-15 2016-03-30 精碳伟业(北京)科技有限公司 Fireproof coiled materials on steel structure with functional layer and preparation method thereof
CN105419071A (en) * 2015-12-21 2016-03-23 潍坊市宏源防水材料有限公司 Modified PE (Poly Ethylene) waterproof board and preparation method thereof
CN106009171A (en) * 2016-06-22 2016-10-12 潍坊市宏源防水材料有限公司 Non-asphalt-based high polymer self-adhered waterproof membrane with high peel strength and preparation method of non-asphalt-based high polymer self-adhered waterproof membrane
CN106221275A (en) * 2016-08-26 2016-12-14 山东天汇防水材料有限公司 A kind of waterproof roll with clean-keeping function and preparation method thereof
CN107187171A (en) * 2017-07-11 2017-09-22 四川昌晟塬环保科技有限公司 A kind of root resistant waterproof roll and preparation method thereof
CN107501741A (en) * 2017-10-13 2017-12-22 安徽朗凯奇建材有限公司 A kind of fire-retardant ageing-resistant TPO waterproof rolls and its preparation technology
CN108250999A (en) * 2018-01-30 2018-07-06 富华防水科技股份有限公司 A kind of non-bituminous base self-adhesion polymer membranes and preparation method thereof
CN108530769A (en) * 2018-05-16 2018-09-14 科顺防水科技股份有限公司 A kind of welding rubber and plastic waterstop and preparation method thereof
CN110283371A (en) * 2019-05-27 2019-09-27 梅州鼎新高新科技材料有限公司 A kind of novel HDPE overlays waterproof roll and preparation method thereof
CN110628122A (en) * 2019-10-08 2019-12-31 安徽滁州德威新材料有限公司 High-weather-resistance polyolefin waterproof coiled material particle for building and preparation method thereof
CN111499960A (en) * 2020-05-08 2020-08-07 四川省宏源防水工程有限公司 Preparation and application of high-resilience EPO (erythropoietin) high polymer material and waterproof board for gas tunnel
CN111635581A (en) * 2020-05-29 2020-09-08 四川省宏源防水工程有限公司 Polymer waterproof board for composite gas isolation board and preparation method
CN111454510A (en) * 2020-06-03 2020-07-28 四川省宏源防水工程有限公司 Preparation and application of high-resilience EPO (erythropoietin) high polymer material
CN111849189A (en) * 2020-06-22 2020-10-30 安徽滁州德威新材料有限公司 Waterproof coiled material particle and preparation method and application thereof
CN113799354A (en) * 2021-08-23 2021-12-17 昆山科顺防水材料有限公司 Rubber waterproof coiled material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203257A (en) * 1998-06-29 1998-12-30 北京化工大学 Thermoplastic rubber-type water-proof coiled material
CN101805476A (en) * 2010-05-11 2010-08-18 赵新生 Waterproof product containing plastic and rubber composition and preparation method thereof
CN103254494A (en) * 2013-05-04 2013-08-21 忻州市四方铁路器材有限公司 Flame-retardant chlorinated polyethylene waterproof coil and production process thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203257A (en) * 1998-06-29 1998-12-30 北京化工大学 Thermoplastic rubber-type water-proof coiled material
CN101805476A (en) * 2010-05-11 2010-08-18 赵新生 Waterproof product containing plastic and rubber composition and preparation method thereof
CN103254494A (en) * 2013-05-04 2013-08-21 忻州市四方铁路器材有限公司 Flame-retardant chlorinated polyethylene waterproof coil and production process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109648937A (en) * 2018-11-14 2019-04-19 科顺防水科技股份有限公司 A kind of high abrasion elastic rubber waterproof roll and preparation method thereof

Also Published As

Publication number Publication date
CN103554629A (en) 2014-02-05

Similar Documents

Publication Publication Date Title
CN103554629B (en) A kind of TPO waterproof roll and production technique thereof
CN103205051B (en) Low-smoke non-halogen flame-retardant silane cross-linked polyolefin and preparation method thereof
CN104260504B (en) A kind of high shoddy volume high-performance thermoplastic coiled water-proof polyolefine material
CN104723630B (en) A kind of self-adhesion reactivity composite waterproof ternary ethylene-propylene rubber coil and its production method
CN104745117B (en) Self-adhesion reaction-ity ethylene octene copolymer composite of water-proof coiled material and its production method
CN108587036B (en) Rubber waterproof coiled material and preparation method thereof
CN103031858A (en) Reactive rubber composite water-proof roll and production method thereof
CN101718078B (en) Modified chlorinated polyethylene waterproof roll and method for preparing same
CN106009171A (en) Non-asphalt-based high polymer self-adhered waterproof membrane with high peel strength and preparation method of non-asphalt-based high polymer self-adhered waterproof membrane
CN104744786A (en) Epoxy resin blending waterproof sheet material and preparation method thereof
CN103555076A (en) Polyethylene material for thermoplastic powder paint and preparation method of polyethylene material
CN103075166A (en) Compound self-adhesion high polymer waterproof plate and preparation method thereof
KR101019261B1 (en) Corrugated pipe for electrical cable using recycled polyethylene
CN107973993B (en) Aging-resistant easily-welded thermoplastic polyolefin waterproof coiled material and preparation method thereof
CN103756137B (en) A kind of TPO thermoplastic elastomer (TPE) and its preparation method and application
CN108530769A (en) A kind of welding rubber and plastic waterstop and preparation method thereof
CN101845169B (en) Waterproof rolled material and preparation method thereof
CN103739961B (en) A kind of poly 1-butene modification TPO thermoplastic elastomer (TPE) and its preparation method and application
CN106009148A (en) PE (poly ethylene) protection film material for automobile and preparation method thereof
CN103554821A (en) Special L-type waterproof coiled material for rubber-plastics blended high-speed railway bridge and preparation method thereof
CN104817755A (en) Vulcanized ethylene-octene copolymer waterproof coiled material and production method thereof
CN102702643A (en) Water-resistant wrapping belt material and preparation method thereof
CN103665581A (en) TPV (Thermoplastic Vulcanizate) material with good welding property and machining method thereof
CN109486030A (en) A kind of integration fretting map thermoplastic vulcanizate composition and preparation method thereof
CN101805476B (en) Waterproof product containing plastic and rubber composition and preparation method thereof

Legal Events

Date Code Title Description
CP01 Change in the name or title of a patent holder

Address after: 262700 The Government of Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000m West

Patentee after: HONGYUAN WATERPROOF TECHNOLOGY GROUP Co.,Ltd.

Address before: 262700 The Government of Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000m West

Patentee before: WEIFANG HONGYUAN WATERPROOF MATERIAL Co.,Ltd.

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A kind of TPO waterproofing membrane and its production process

Effective date of registration: 20220913

Granted publication date: 20150916

Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd.

Pledgor: HONGYUAN WATERPROOF TECHNOLOGY GROUP Co.,Ltd.

Registration number: Y2022980015045