CN102031833B - High-performance synthetic rubber asphalt waterproof coiled material - Google Patents

High-performance synthetic rubber asphalt waterproof coiled material Download PDF

Info

Publication number
CN102031833B
CN102031833B CN201010583446A CN201010583446A CN102031833B CN 102031833 B CN102031833 B CN 102031833B CN 201010583446 A CN201010583446 A CN 201010583446A CN 201010583446 A CN201010583446 A CN 201010583446A CN 102031833 B CN102031833 B CN 102031833B
Authority
CN
China
Prior art keywords
coiled material
sizing material
layer
modified bitumen
pitch
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
CN201010583446A
Other languages
Chinese (zh)
Other versions
CN102031833A (en
Inventor
程雪峰
何家旭
左梦丽
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.)
North Crescent Emperor Flooring Materials Shanghai Co ltd
Shanghai Beixin Yuehuang New Material Group Co ltd
Original Assignee
SHANGHAI TAIAN NEW BUILDING MATERIAL CO Ltd
SHANGHAI TAI'AN ENGINEERING INDUSTRY 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 SHANGHAI TAIAN NEW BUILDING MATERIAL CO Ltd, SHANGHAI TAI'AN ENGINEERING INDUSTRY Co Ltd filed Critical SHANGHAI TAIAN NEW BUILDING MATERIAL CO Ltd
Priority to CN201010583446A priority Critical patent/CN102031833B/en
Publication of CN102031833A publication Critical patent/CN102031833A/en
Application granted granted Critical
Publication of CN102031833B publication Critical patent/CN102031833B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention relates to a high-performance synthetic rubber asphalt waterproof coiled material with good high and low temperature resistance, high bonding strength, good air permeability, high surface tensile strength and capability of meeting the long-term water leakage-proof use requirement in a 'composite waterproof system'. The coiled material consists of an upper coverage layer, a lower coverage layer and a middle waterproof layer, wherein the upper coverage layer is made of polyethylene polypropylene fibers, a polyethylene film or a metal aluminum foil; the lower coverage layer is made of needled polyester non-woven fabric; and the middle waterproof layer is made of modified asphalt glue layer prepared from modified asphalt glue. The performance of the coiled material is improved by organically and comprehensively utilizing special functional materials, multiple macromolecules and inorganic materials, the waterproof performance of the coiled material is greatly improved, the cost of the coiled material is effectively reduced, the service life of the coiled material is reliably guaranteed, and the coiled material used with non-curing glue can make a substantial contribution to construction of a complete composite waterproof system, so the coiled material has obvious technical advancement and strong practicability.

Description

A kind of high-performance synthetic rubber asphalt water-proof coiled material
Technical field
The present invention relates to architectural waterproof material manufacturing technology field, particularly a kind of high-performance synthetic rubber asphalt water-proof coiled material that is suitable for use in the composite water-proof system, has reliable water proof effect.
Background technology
In recent years, along with the fast development of social economy and urban construction cause, people had proposed the high-level requirement of long-term non-leakage water to building waterproof, to this, had become one of scientific research project of countries in the world industry at present.In the building waterproof field, the rubber asphalt material is gone through because of its excellent water resistance and is occupied leading position, and rubber-asphalt waterproof material product commonly used at present mainly contains synthetic rubber asphalt water-proof coiled material and Rubber Modified Asphalt Waterproof Coating.Existing synthetic rubber asphalt water-proof coiled material because of its material thickness evenly, easy construction and fast being used widely, but find that in practice its weak point is: (1) reliable long-term working is relatively poor, waterproofing course in use takes place easily heave, peel off or be full of cracks and seam crossing percolating water phenomenon; (2) applicable surface is wideless, and the stickiness on non-smooth surface is relatively poor; (3) adopt the hot melt construction, not only consumes energy but also contaminated environment, and safety is also poor, causes fire easily.The advantage of Rubber Modified Asphalt Waterproof Coating is: (1) can adopt direct coating process that waterproofing course is set, and easy construction and overall cost are lower; (2) widely applicable, building regular or irregular basic Chu laminar surface and complex node position all there is very strong attaching adaptive capacity, the rubberised layer that forms does not have the handing-over seam, overall permanence is better, its weak point is: because solidify fast the coating back, coating layer thickness and uniformity coefficient are all wayward when constructing operation, and generation causes drainage because of the part is thin easily.So, existing rubber-asphalt waterproof material, no matter be synthetic rubber asphalt water-proof coiled material or Rubber Modified Asphalt Waterproof Coating, the waterproofing course that generation is set by them separately all exists actual waterproof effect and useful working life to cannot say for sure the weak point demonstrate,proved, can't satisfy the high-level waterproof requirement of long-term non-leakage water.For this reason, the someone has proposed to adopt Rubber Modified Asphalt Waterproof Coating and synthetic rubber asphalt water-proof coiled material that the imagination of complex waterproof layer is set successively simultaneously, to remedy weak point separately, satisfies the high-level waterproof requirement of long-term non-leakage water.But owing to existing Rubber Modified Asphalt Waterproof Coating and synthetic rubber asphalt water-proof coiled material all are to aim at direct coating or covering is arranged at the waterproofing materials of developing on the building surface concrete of ability to cure faster that has, and coating or cover after solidification process be exactly contact with material around bonding, mutual location process, so in the work progress of complex waterproof layer is set, except the requirement that will certainly produce quick setting, also surrounding edge is existed the requirement of positiver sealing, with the basic waterproofing course and the building concrete surface of realizing constituting by Rubber Modified Asphalt Waterproof Coating, and the reliable bonding and surrounding edge between the appearance waterproofing course inner surface that is made of the synthetic rubber asphalt water-proof coiled material is to the positiver sealing effect of complex waterproof layer.To this scheme, meet reason in theory, also be feasible in the practical operation, can greatly improve and prolong the water resistance of building.But its a fly in the ointment is: because Rubber Modified Asphalt Waterproof Coating and synthetic rubber asphalt water-proof coiled material all are solid state after being coated with, the crack can take place in the building of building finished product concrete surface in the course of the work, the situation that complex waterproof layer that has had cured and edge sealant also can ftracture thereupon, thus cause influencing the water resistance of building.So rubber-asphalt waterproof material product at present commonly used is all can't meet the demands the instructions for use in the composite water-proof system of long-term non-leakage water of synthetic rubber asphalt water-proof coiled material or Rubber Modified Asphalt Waterproof Coating.
Summary of the invention
It is relatively poor to the objective of the invention is to overcome the existing existing reliable long-term working of synthetic rubber asphalt water-proof coiled material, waterproofing course in use takes place easily to be heaved, peel off or be full of cracks and seam crossing percolating water phenomenon, can not satisfy the weak point of " composite water-proof system " medium-term and long-term non-leakage water instructions for use, provide a kind of high and low temperature resistance good, bonding great efforts, the tensile strength height, being difficult for that in use waterproofing course takes place heaves, peel off or crack performance, can satisfy the high-performance synthetic rubber asphalt water-proof coiled material of " composite water-proof system " medium-term and long-term non-leakage water instructions for use.
High-performance synthetic rubber asphalt water-proof coiled material main body of the present invention is made up of upper covering layer, lower covering layer and middle waterproofing course, be characterised in that described in the middle of waterproofing course fill the post of by the modified bitumen sizing material layer that the modified bitumen sizing material constitutes, described upper covering layer is filled the post of by polyethylene polypropylene, polyethylene film or metal aluminum foil, described lower covering layer is filled the post of by the needle-punching polyester nonwoven, wherein: described modified bitumen sizing material is by adding modifier in pitch pitch to be carried out comprehensively modifying to make, and includes pitch, modifier and machine oil in the component; Described pitch is filled the post of by petroleum bitumen, described modifier combines by having the high molecular polymer that improves pitch low-temperature characteristics function and having the inserts that improves the asphalt high-temperature characteristic functions, the tackifying resin that described high molecular polymer includes thermoplastic styrene butadiene rubber and is made up of Petropols or phenolic resins, described inserts is stable by chemical property, the French chalk of fineness between 160~200 orders filled the post of, the machine oil of described machine oil for crossing through processed before using.In addition, described pitch can be respectively with 90 #Petroleum bitumen, 10 #Petroleum bitumen, or as required also with 90 #Petroleum bitumen and 10 #Petroleum bitumen is filled the post of.
The component of described modified bitumen sizing material and weight proportion are:
Figure GSB00000636602100031
During production, earlier pitch is mixed with machine oil, and be warming up between 200 ℃ to 205 ℃, add thermoplastic styrene butadiene rubber, and keep temperature to stir 2 hours, add tackifying resin, continue to keep temperature to stir 1~2 hour, add the inserts French chalk again, reduce temperature of charge to 170 ℃, stirred 0.5~1 hour, making can be for the modified bitumen sizing material of coating use.
In addition, also can be provided with as required in the middle of the modified bitumen sizing material layer and have the middle body piles that increase the tensile strength function, constitute by glass felt grid cloth.
High-performance synthetic rubber asphalt water-proof coiled material of the present invention based on above-mentioned design, fill the post of upper covering layer owing to adopt polyethylene polypropylene, polyethylene film or metal aluminum foil, help guaranteeing the surface strength and the tension force of synthetic rubber asphalt water-proof coiled material of the present invention, avoid fracture or cracking situation take place in the waterproofing course course of work, guarantee functional reliability; Owing to adopted the needle-punching polyester nonwoven to make lower covering layer, can increase coiled material tensile strength, reduce rising in the coiled material course of work and rouse phenomenon, improve the bonding reliability between coiled material and rubberised layer, the generation of avoiding peeling off phenomenon; Owing to adopted tackifying resin when producing the modified bitumen sizing material, but can improve the viscosity of pitch, guarantee reliably bonding between modified bitumen sizing material and last lower covering layer, adopted high-quality thermoplastic styrene butadiene rubber (SBS) raw material, can improve the high temperature performance of pitch, increase the tensile property and the flexibility of coiled material, adopted the stable French chalk of chemical property to make inserts, the dimensional stability that had both helped improving the high-temperature behavior of coiled material and guaranteed product, help again reducing production costs, adopt machine oil, helped improving the processing characteristics of process of producing product, improve work efficiency and guarantee product quality.Therefore, synthetic rubber asphalt water-proof coiled material of the present invention, organically fully utilize multiple macromolecule and inorganic material in process of production and improved properties of product, the water resistance of product is greatly improved, product cost also obtains effective reduction, the working life of product obtains reliable guarantee, cooperate non-curing gluing to use, can make substantive contribution for forming perfect composite water-proof system, thereby have obvious technical advance and a very strong practicality, the wide market application foreground that will have.
Description of drawings
Fig. 1 is the basic structure schematic diagram of the embodiment of the invention:
Fig. 2 increases the structural representation that is provided with middle body piles coiled material in the embodiment of the invention.
Among the figure:
1. upper covering layer 2. lower covering layers 3. modified bitumen sizing material layers
3-1. modified bitumen sizing material layer 4. modified bitumen sizing material under the last modified bitumen sizing material layer 3-2.
5. middle body piles
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and exemplary embodiments:
In Fig. 1, high-performance synthetic rubber asphalt water-proof coiled material main body of the present invention is by upper covering layer 1, lower covering layer 2 and middle waterproofing course are formed, be characterised in that described upper covering layer 1 is by polyethylene polypropylene, polyethylene film or metal aluminum foil are filled the post of, described lower covering layer 2 is filled the post of by the needle-punching polyester nonwoven, waterproofing course is filled the post of by the modified bitumen sizing material layer 3 that modified bitumen sizing material 4 constitutes in the middle of described, wherein: described modified bitumen sizing material 4 is by adding modifier in pitch pitch to be carried out comprehensively modifying to make, include pitch in the component, modifier and machine oil, described pitch is filled the post of by petroleum bitumen, described modifier combines by having the high molecular polymer that improves pitch low-temperature characteristics function and having the inserts that improves the asphalt high-temperature characteristic functions, the tackifying resin that described high molecular polymer includes thermoplastic styrene butadiene rubber and is made up of Petropols or phenolic resins, described inserts is stable by chemical property, the French chalk of fineness between 160~200 orders filled the post of, the machine oil of described machine oil for crossing through processed before using.In addition, described pitch can be respectively with 90 #Petroleum bitumen, 10 #Petroleum bitumen, or as required also with 90 #Petroleum bitumen and 10 #Petroleum bitumen is filled the post of.
In Fig. 2, high-performance synthetic rubber asphalt water-proof coiled material main body of the present invention is by upper covering layer 1, lower covering layer 2 and middle waterproofing course are formed, be characterised in that: described upper covering layer 1 is by polyethylene polypropylene, polyethylene film or metal aluminum foil are filled the post of, described lower covering layer 2 is filled the post of by the needle-punching polyester nonwoven, and described middle waterproofing course is made of modified bitumen sizing material 4, include the modified bitumen sizing material layer 3 of modified bitumen sizing material layer 3-1 and following modified bitumen sizing material layer 3-2 and be arranged on modified bitumen sizing material layer 3-1 and following modified bitumen sizing material layer 3-2 between, the middle body piles 5 that are made of glass felt grid cloth constitute.

Claims (4)

1. high-performance synthetic rubber asphalt water-proof coiled material, form by upper covering layer (1), lower covering layer (2) and middle waterproofing course, it is characterized in that upper covering layer (1) filled the post of by polyethylene polypropylene, polyethylene film or metal aluminum foil, lower covering layer (2) is filled the post of by the needle-punching polyester nonwoven, middle waterproofing course is filled the post of by the modified bitumen sizing material layer (3) that modified bitumen sizing material (4) constitutes, wherein:
A. described modified bitumen sizing material (4) is by adding modifier in pitch pitch to be carried out comprehensively modifying to make, and includes pitch, modifier and machine oil in the component;
B. described modifier improves pitch low-temperature characteristics function by having, include thermoplastic styrene butadiene rubber and the high molecular polymer of the tackifying resin formed by Petropols or phenolic resins and have improve the asphalt high-temperature characteristic functions, inserts stable by chemical property, that the French chalk of fineness between 160~200 orders filled the post of combines;
The component and the weight proportion of c. described modified bitumen sizing material (4) are: pitch 40~60%, thermoplastic styrene butadiene rubber 4~14%, tackifying resin 1~5%, machine oil 8~10%, French chalk 27~31%;
D. the technological process of production is: earlier pitch is mixed with machine oil, and be warming up between 200 ℃ to 205 ℃, add thermoplastic styrene butadiene rubber, and keep temperature to stir 2 hours, and add tackifying resin, continue to keep temperature to stir 1~2 hour, add the inserts French chalk again, reduce temperature of charge to 170 ℃, stirred 0.5~1 hour, making can be for the modified bitumen sizing material that is coated with use.
2. high-performance synthetic rubber asphalt water-proof coiled material according to claim 1 is characterized in that described pitch is respectively by 90 #Petroleum bitumen, 10 #Petroleum bitumen, or and with 90 #Petroleum bitumen and 10 #Petroleum bitumen is filled the post of.
3. high-performance synthetic rubber asphalt water-proof coiled material according to claim 1 is characterized in that the machine oil of described machine oil for crossing through processed before using.
4. high-performance synthetic rubber asphalt water-proof coiled material according to claim 1, it is characterized in that described in the middle of waterproofing course by the modified bitumen sizing material layer (3) that includes modified bitumen sizing material layer (3-1) and following modified bitumen sizing material layer (3-2) and be arranged on modified bitumen sizing material layer (3-1) and following modified bitumen sizing material layer (3-2) between, middle body piles (5) formation that constitutes by glass felt grid cloth.
CN201010583446A 2010-12-10 2010-12-10 High-performance synthetic rubber asphalt waterproof coiled material Active CN102031833B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010583446A CN102031833B (en) 2010-12-10 2010-12-10 High-performance synthetic rubber asphalt waterproof coiled material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010583446A CN102031833B (en) 2010-12-10 2010-12-10 High-performance synthetic rubber asphalt waterproof coiled material

Publications (2)

Publication Number Publication Date
CN102031833A CN102031833A (en) 2011-04-27
CN102031833B true CN102031833B (en) 2011-12-28

Family

ID=43885226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010583446A Active CN102031833B (en) 2010-12-10 2010-12-10 High-performance synthetic rubber asphalt waterproof coiled material

Country Status (1)

Country Link
CN (1) CN102031833B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132605A (en) * 2011-11-28 2013-06-05 贵州圣元防水材料有限公司 Novel modified waterproof roll and production technology thereof
CN102400521A (en) * 2011-12-06 2012-04-04 江苏凯伦建材股份有限公司 Composite aluminum foil surface waterproof coiled material
CN102702757A (en) * 2012-06-26 2012-10-03 宁波博汇石油化工有限公司 Modified asphalt waterproof coiled material and production process thereof
CN102896862A (en) * 2012-08-13 2013-01-30 吴江市万事达防水建材有限公司 Method for producing thermoplastic polyurethane modified asphalt waterproof coiled material
CN102848624A (en) * 2012-08-13 2013-01-02 吴江市万事达防水建材有限公司 Fused waterproof coiled material and laying method thereof
CN102848632A (en) * 2012-08-13 2013-01-02 吴江市万事达防水建材有限公司 Thermoplastic polyurethane (TPU)-modified asphalt waterproof coiled material
CN102975465A (en) * 2012-12-17 2013-03-20 广西金雨伞防水装饰有限公司 Antiflaming waste rubber powder modified asphalt wet-paving waterproof coiled material and production method thereof
CN104017512B (en) * 2014-06-24 2016-04-06 上海台安实业集团有限公司 Reaction selfadhesive EPDM waterproof rolled sheet
CN104312174B (en) * 2014-10-27 2017-08-11 苏州市姑苏新型建材有限公司 Non- self-adhesive modified asphalt waterproof rolling material of self-cure type and preparation method thereof
CN107779118A (en) * 2017-12-18 2018-03-09 常熟市长江胶带有限公司 A kind of high performance water proof adhesive tape

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413754A1 (en) * 1993-04-24 1994-10-27 Phoenix Ag Bituminous waterproof sheeting
US5451621A (en) * 1994-08-15 1995-09-19 Bridgestone/Firestone, Inc. SBS-modified, asphalt-based material with resistance to crosslinking
CN2479052Y (en) * 2001-04-25 2002-02-27 赵世忠 Water proofing roll-roofing with reinforced aluminium foil surface
CN1827698A (en) * 2006-04-07 2006-09-06 黄玉环 Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method
CN101074357A (en) * 2007-06-26 2007-11-21 程雪峰 Modifed asphalt waterproof curling material of environmental-protective plastic
EP1698669A3 (en) * 2005-03-04 2009-12-16 Axter Bituminous binder for sealing and sealing membrane
CN101644096A (en) * 2009-07-16 2010-02-10 北京立高科技有限公司 Self-adhesive rubber bituminous waterproof sheet material and preparation technology thereof
CN101644094A (en) * 2009-07-16 2010-02-10 北京立高科技有限公司 Self-adhesive polymer modified bituminous polyester fiber waterproof sheet material and preparation technology thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413754A1 (en) * 1993-04-24 1994-10-27 Phoenix Ag Bituminous waterproof sheeting
US5451621A (en) * 1994-08-15 1995-09-19 Bridgestone/Firestone, Inc. SBS-modified, asphalt-based material with resistance to crosslinking
CN2479052Y (en) * 2001-04-25 2002-02-27 赵世忠 Water proofing roll-roofing with reinforced aluminium foil surface
EP1698669A3 (en) * 2005-03-04 2009-12-16 Axter Bituminous binder for sealing and sealing membrane
CN1827698A (en) * 2006-04-07 2006-09-06 黄玉环 Chemical blend modified asphalt and its preparation method and double-sided self-adhesive waterproof coiled materials by wet-paving method
CN101074357A (en) * 2007-06-26 2007-11-21 程雪峰 Modifed asphalt waterproof curling material of environmental-protective plastic
CN101644096A (en) * 2009-07-16 2010-02-10 北京立高科技有限公司 Self-adhesive rubber bituminous waterproof sheet material and preparation technology thereof
CN101644094A (en) * 2009-07-16 2010-02-10 北京立高科技有限公司 Self-adhesive polymer modified bituminous polyester fiber waterproof sheet material and preparation technology thereof

Also Published As

Publication number Publication date
CN102031833A (en) 2011-04-27

Similar Documents

Publication Publication Date Title
CN102031833B (en) High-performance synthetic rubber asphalt waterproof coiled material
CN102031834B (en) Compound waterproof system and construction technology thereof
CN202047480U (en) High-performance synthetic rubber and asphalt waterproof roll with intermediate matrix layer
CN102086349B (en) Non-curing waterproof glue with double character
CN103223748A (en) Composite modified asphalt waterproof coiled material
CN102182253A (en) Manufacturing method of rubber and chemical fiber synthetic waterproof sheet and product thereof
CN104312174A (en) Self-healing type non-self-adhesive modified asphalt waterproof coiled material and preparation method thereof
CN102975465A (en) Antiflaming waste rubber powder modified asphalt wet-paving waterproof coiled material and production method thereof
CN102991073A (en) Polyolefin composite modified asphalt wet-laid waterproof roll and production method thereof
CN114891481B (en) Graphene modified asphalt layer material, preparation method thereof and waterproof coiled material
CN105584135B (en) Wet-laying waterproof roll is overlay with cross-linking reaction layer
CN201962810U (en) Composite waterproof system
CN202440709U (en) Polyester felt and fiber glass gridding cloth reinforced asphalt waterproof roll
CN104085144B (en) Polymeric laminate adhesive waterproof coil and preparation method thereof
CN205185462U (en) Novel plastic body modified asphalt waterproofing membrane
CN202047481U (en) Flexible high-performance synthetic rubber and asphalt waterproof roll
CN204451421U (en) A kind of polymer self-adhesive rubber composite waterproof rolled material
CN104293226B (en) The waterproof material of solid cored structure in having
CN204605052U (en) Wet paving waterproof roll is overlay with cross-linking reaction layer
CN205295837U (en) Special novel modified asphalt waterproofing membrane structure in asphalt concrete road surface of mating formation
CN206267494U (en) A kind of composite water-proof coating structure for kitchen and toilet
CN201620354U (en) Multilayer composite self-adhesive waterproof coiled material
CN204343559U (en) The waterproof roll of solid cored structure in having
CN205439462U (en) Asphalt base pre -paved waterproofing membrane of area protection anchor coat
CN204036969U (en) Flame retardant type waterproof roll

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHANGHAI TAI'AN INDUSTRY GROUP CO., LTD.

Free format text: FORMER NAME: SHANGHAI TAI'AN ENGINEERING INDUSTRY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 201823, No. 301, Qian Qian Road, Wai Gang Town, Shanghai, Jiading District

Patentee after: SHANGHAI TERRA INDUSTRIAL GROUP CO.,LTD.

Patentee after: Shanghai Rui Xin new building materials Co.,Ltd.

Address before: 201823, No. 301, Qian Qian Road, Wai Gang Town, Shanghai, Jiading District

Patentee before: Shanghai Terra Engineering & Industry Co.,Ltd.

Patentee before: Shanghai Taian Novel Building Materials Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 201823, No. 301, Qian Qian Road, Wai Gang Town, Shanghai, Jiading District

Patentee after: Shanghai Beixin YUEHUANG New Material Group Co.,Ltd.

Patentee after: North Crescent Emperor Flooring Materials (Shanghai) Co.,Ltd.

Address before: 201823, No. 301, Qian Qian Road, Wai Gang Town, Shanghai, Jiading District

Patentee before: SHANGHAI TERRA INDUSTRIAL GROUP CO.,LTD.

Patentee before: Shanghai Rui Xin new building materials Co.,Ltd.