CN107604469A - A kind of nano combined foaming rope and preparation method - Google Patents

A kind of nano combined foaming rope and preparation method Download PDF

Info

Publication number
CN107604469A
CN107604469A CN201710791801.8A CN201710791801A CN107604469A CN 107604469 A CN107604469 A CN 107604469A CN 201710791801 A CN201710791801 A CN 201710791801A CN 107604469 A CN107604469 A CN 107604469A
Authority
CN
China
Prior art keywords
rope
nano
alkali
free glass
polypropylene
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.)
Pending
Application number
CN201710791801.8A
Other languages
Chinese (zh)
Inventor
刘立平
刘立华
闫学峰
刘立中
王丽
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.)
Jieshou City Hongli Plastic Co Ltd
Original Assignee
Jieshou City Hongli Plastic 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 Jieshou City Hongli Plastic Co Ltd filed Critical Jieshou City Hongli Plastic Co Ltd
Priority to CN201710791801.8A priority Critical patent/CN107604469A/en
Publication of CN107604469A publication Critical patent/CN107604469A/en
Pending legal-status Critical Current

Links

Abstract

The present invention discloses a kind of nano combined foaming rope and preparation method, each raw material weight percentage:Nano modification polypropylene 65% 80%, natural fiber 5% 11%, methyl-propyl naphthyl phosphate 2.5% 6%, trimethyl ethanedioic acid acetate 4% 10%, compound stabilizer 2% 6%, magnesium oxalate 0.2% 0.7%, defoamer 1% 3%, antioxidant 0.8% 1.6%.Alkali-free glass powder is surface-treated by using surfactant, obtain being modified alkali-free glass Ultramicro-powder nano modification is carried out to polypropylene and fill to obtain nano modification polypropylene, it is high to not only increase rigidity, good toughness, dimensional stability, relatively low coefficient of thermal expansion, the polyacrylic melt strength of nano modification improves 57 times, with good low-temperature flexibility, 30 DEG C of low-temperature impact is resistant to;Preparation method is simple, improves operating efficiency, and the common fillers of 5 times of Nano filling and the filling of filling reach suitable rigidity, greatly reduce cost;Obtained nano combined foaming rope intensity is high, toughness is good, service life length.

Description

A kind of nano combined foaming rope and preparation method
Technical field
The present invention relates to field of rope, and in particular to a kind of nano combined foaming rope and preparation method.
Background technology
A kind of thermoplastic of prepared by foaming rope is one kind of plastic ties, and main component is polypropylene, and it is by propylene polymerization Property resin, compared with other thermoplastic resins, polypropylene has low-density, high-melting-point, source is wide, price is low and mechanical performance Superior, the features such as chemical stability is good, it is indispensable to have become packaging, light industry, building, electronics, electrical equipment and automobile and other industries Base stock.But plain polypropylene strand is linear structure, molecular weight distribution relative narrower, this results in polypropylene The shortcomings such as rigidity is low, poor heat resistance, shrinkage factor is big, melt strength is low, are processed in thermoforming, after temperature is higher than fusing point, melt Intensity and viscosity all drastically decline, and product wall thickness is uneven when causing thermoforming, curved edge occur, receive when extrusion, coating, calendering The problems such as abscess collapses when contracting, extrusion foaming, so as to limit polypropylene in thermoforming processing, foaming, Extrusion Coating, blowing etc. The application of aspect.
In order to overcome these problems, inorganic filler is generally added wherein, but conventional fillers are modified it is generally necessary to larger Addition, the moulding processability of product is often influenceed, can also decline toughness of material, and significantly increase polyacrylic close Degree, so as to increase the weight of product parts, and material recovery is difficult, is unfavorable for energy-conserving and environment-protective requirement.
The content of the invention
It is an object of the invention to provide a kind of nano combined foaming rope and preparation method, using Nano filling to poly- third Alkene carries out nano modification and fills to obtain nano modification polypropylene, and obtained nano combined foaming rope intensity is high, toughness is good, uses the longevity Life length.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of nano combined foaming rope, each raw material weight percentage are:Nano modification polypropylene 65%-80%, natural fibre Tie up 5%-11%, methyl-propyl naphthyl phosphate 2.5%-6%, trimethyl ethanedioic acid acetate 4%-10%, compound stabilizer 2%-6%, magnesium oxalate 0.2%-0.7%, defoamer 1%-3%, antioxidant 0.8%-1.6%.
Further, described nano modification polypropylene is after carrying out nano modification filling to polypropylene by Nano filling Composite, including polypropylene, Nano filling and solubilizer, polypropylene, Nano filling, the mass ratio of solubilizer are 7-8.5: 0.6-1.6:0.05-1.5。
Further, described Nano filling is modified alkali-free glass Ultramicro-powder, and modified alkali-free glass Ultramicro-powder includes alkali-free Glass dust and surfactant, alkali-free glass powder, the mass ratio of surfactant are 1:0.5-0.8, described surfactant For dodecyl sodium sulfate.
Further, described solubilizer is dibenzoic acid graft polyisobutene, the poly- epoxypentene of oxalic acid grafting, 3- along isobutyl One kind in alkenyl benzoyl isocyanate.
Further, described natural fiber is wool fiber, fruit fiber, cotton, one kind in gypsum walling material or several Kind combination.
Further, described compound stabilizer is stearic acid file, the compound of phosphorous vinegar, and stearic acid is filed, phosphorous vinegar Mass ratio be 1:3-4.6.
Further, described defoamer be polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, One kind in polypropylene glycerol aether.
Further, described antioxidant is one kind in 2- amino -4- methylquinolines, 4- ethoxyquinolines.
A kind of preparation method of nano combined foaming rope, specifically includes following steps:
(1) the polyacrylic preparation of nano modification
Alkali-free glass powder is added in ball mill and ground, the first sieve is crossed, alkali-free glass Ultramicro-powder is obtained, by alkali-free glass Ultramicro-powder mixes with purified water, adds surfactant while stirring, constant temperature stirring, centrifuges, dry, ground second Sieve, that is, obtain being modified alkali-free glass Ultramicro-powder;
The polypropylene, Nano filling and solubilizer of mass parts are added into screw extruder extrusion molding to be granulated, that is, obtained Nano modification polypropylene;
(2) preparation of nano combined foaming rope
Raw material each by weight is added to plastic optical fibre of the multiple screw extruder after melting extrusion, metering, spinneret process It is put into tank and cools down, obtains plastic monofilament fiber;Plastic monofilament fiber after cooling is put into drafting machine and carries out drawing-off, afterwards Plastic strip of shaping to obtain is introduced into forming press-roller;Plastic strip synthesizes rope, i.e., in rope machine afterwards into stock is twisted in stock machine Must be foamed rope;
Further, the sieve mesh of the first sieve described in step (1) is 60 mesh, and the sieve mesh of the second sieve is 100 mesh;Described purifying The quality of water is 10-15 times of alkali-free glass Ultramicro-powder;Described constant temperature whipping temp is 50-75 DEG C, mixing time 2-3h; Described extrusion temperature is 240-260 DEG C.
Beneficial effects of the present invention:
Compared with prior art, the present invention is surface-treated by using surfactant to alkali-free glass powder, is obtained Modified alkali-free glass Ultramicro-powder carries out nano modification to polypropylene and fills to obtain nano modification polypropylene, not only increase rigidity, Good toughness, dimensional stability are high, and relatively low coefficient of thermal expansion, the polyacrylic melt strength of nano modification improves 5-7 times, have good Good low-temperature flexibility, it is resistant to -30 DEG C of low-temperature impact;Preparation method is simple, improves operating efficiency, the Nano filling of filling with The common fillers of 5 times of filling reach suitable rigidity, greatly reduce cost;Obtained nano combined foaming rope intensity is high, tough Property good, service life length.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
Embodiment 1
(1) the polyacrylic preparation of nano modification
1kg alkali-free glass powder is added in ball mill and ground, it is that 60 purposes first are sieved to cross sieve mesh, obtains alkali-free glass and surpasses Micro mist, alkali-free glass Ultramicro-powder is mixed with 15kg purified waters, add 0.8kg dodecyl sodium sulfates while stirring, constant temperature stirs 2h is mixed, is centrifuged, is dried, ground 100 mesh second sieves, that is, obtains being modified alkali-free glass Ultramicro-powder, particle diameter 25nm;
70kg polypropylene, 16kg are modified alkali-free glass Ultramicro-powder and 14kg dibenzoic acid graft polyisobutenes are added to spiral shell Bar extruder for shaping is granulated, and extrusion temperature is 240 DEG C, that is, obtains nano modification polypropylene;
(2) preparation of nano combined foaming rope
By nano modification polypropylene 65kg, wool fiber 11kg, methyl-propyl naphthyl phosphate 6kg, trimethyl ethanedioic acid Acetate 10kg, stearic acid file 1.5kg, phosphorous vinegar 4.5kg, magnesium oxalate 0.2kg, polyoxyethylene polyoxypropylene pentaerythrite ether It is fine that 1kg, 2- amino -4- methylquinolines 0.8kg are added to plastics of the multiple screw extruder after melting extrusion, metering, spinneret process Dimension, which is put into tank, to be cooled down, and obtains plastic monofilament fiber;Plastic monofilament fiber after cooling is put into drafting machine and carries out drawing-off, it The plastic strip of shaping to obtain is introduced into forming press-roller afterwards;Plastic strip synthesizes rope in rope machine afterwards into stock is twisted in stock machine, Produce foaming rope.
Embodiment 2
(1) the polyacrylic preparation of nano modification
1kg alkali-free glass powder is added in ball mill and ground, it is that 60 purposes first are sieved to cross sieve mesh, obtains alkali-free glass and surpasses Micro mist, alkali-free glass Ultramicro-powder is mixed with 10kg purified waters, add 0.5kg dodecyl sodium sulfates while stirring, constant temperature stirs 2h is mixed, is centrifuged, is dried, ground 100 mesh second sieves, that is, obtains being modified alkali-free glass Ultramicro-powder, particle diameter 55nm;
85kg polypropylene, 10kg are modified alkali-free glass Ultramicro-powder and 5kg oxalic acid is grafted poly- epoxypentene and is added to screw rod Extruder for shaping is granulated, and extrusion temperature is 260 DEG C, that is, obtains nano modification polypropylene;
(2) preparation of nano combined foaming rope
By nano modification polypropylene 80kg, fruit fiber 4kg, cotton 1kg, methyl-propyl naphthyl phosphate 2.5kg, front three Base ethanedioic acid acetate 5.2kg, stearic acid file 0.4kg, phosphorous vinegar 1.6kg, magnesium oxalate 0.7kg, polyoxyethylene polyoxy propyl alcohol Amidogen ether 3kg, 4- ethoxyquinoline 1.6kg is added to plastic optical fibre of the multiple screw extruder after melting extrusion, metering, spinneret process It is put into tank and cools down, obtains plastic monofilament fiber;Plastic monofilament fiber after cooling is put into drafting machine and carries out drawing-off, afterwards Plastic strip of shaping to obtain is introduced into forming press-roller;Plastic strip synthesizes rope, i.e., in rope machine afterwards into stock is twisted in stock machine Must be foamed rope.
Embodiment 3
(1) the polyacrylic preparation of nano modification
1kg alkali-free glass powder is added in ball mill and ground, it is that 60 purposes first are sieved to cross sieve mesh, obtains alkali-free glass and surpasses Micro mist, alkali-free glass Ultramicro-powder is mixed with 12kg purified waters, add 0.6kg dodecyl sodium sulfates while stirring, constant temperature stirs 2.5h is mixed, is centrifuged, is dried, ground 100 mesh second sieves, that is, obtains being modified alkali-free glass Ultramicro-powder, particle diameter 69nm;
82kg polypropylene, 8kg are modified alkali-free glass Ultramicro-powder and 10kg3- adds along isobutenyl benzoyl isocyanate Enter to screw extruder extrusion molding and be granulated, extrusion temperature is 255 DEG C, that is, obtains nano modification polypropylene;
(2) preparation of nano combined foaming rope
By nano modification polypropylene 78kg, cotton 2.5kg, gypsum walling material 7kg, methyl-propyl naphthyl phosphate 3.8kg, Trimethyl ethanedioic acid acetate 4kg, stearic acid file 0.5kg, phosphorous vinegar 2.3kg, magnesium oxalate 0.3kg, polypropylene glycerol aether 1.5kg, 4- ethoxyquinoline 1.1kg are added to plastic optical fibre of the multiple screw extruder after melting extrusion, metering, spinneret process and put Enter in tank and cool down, obtain plastic monofilament fiber;Plastic monofilament fiber after cooling is put into drafting machine and carries out drawing-off, Zhi Houyin Enter plastic strip of being shaped in forming press-roller to obtain;Plastic strip synthesizes rope in rope machine, produced afterwards into stock is twisted in stock machine Foaming rope.
Embodiment 4
(1) the polyacrylic preparation of nano modification
1kg alkali-free glass powder is added in ball mill and ground, it is that 60 purposes first are sieved to cross sieve mesh, obtains alkali-free glass and surpasses Micro mist, alkali-free glass Ultramicro-powder is mixed with 13kg purified waters, add 0.7kg dodecyl sodium sulfates while stirring, constant temperature stirs 3h is mixed, is centrifuged, is dried, ground 100 mesh second sieves, that is, obtains being modified alkali-free glass Ultramicro-powder, particle diameter 32nm;
79kg polypropylene, 12kg are modified alkali-free glass Ultramicro-powder and 9kg dibenzoic acid graft polyisobutenes are added to spiral shell Bar extruder for shaping is granulated, and extrusion temperature is 252 DEG C, that is, obtains nano modification polypropylene;
(2) preparation of nano combined foaming rope
By nano modification polypropylene 75kg, wool fiber 1.6kg, fruit fiber 1.5kg, cotton 2.5kg, methyl-propyl naphthalene Base phosphate 5.2kg, trimethyl ethanedioic acid acetate 7.5kg, stearic acid file 0.7kg, phosphorous vinegar 2.4kg, magnesium oxalate 0.4kg, polyoxyethylene polyoxypropylene pentaerythrite ether 2.3kg, 2- amino -4- methylquinolines 0.9kg are added to multiple screw extruder Plastic optical fibre after melting extrusion, metering, spinneret process, which is put into tank, to be cooled down, and obtains plastic monofilament fiber;After cooling down Plastic monofilament fiber be put into drafting machine carry out drawing-off, be introduced into forming press-roller plastic strip of shaping to obtain afterwards;Plastic strip exists Stock is twisted into stock machine, synthesizes rope in rope machine afterwards, produces foaming rope.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention Design or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.

Claims (10)

  1. A kind of 1. nano combined foaming rope, it is characterised in that:Each raw material weight percentage is:Nano modification polypropylene 65%- 80%th, natural fiber 5%-11%, methyl-propyl naphthyl phosphate 2.5%-6%, trimethyl ethanedioic acid acetate 4%-10%, Compound stabilizer 2%-6%, magnesium oxalate 0.2%-0.7%, defoamer 1%-3%, antioxidant 0.8%-1.6%.
  2. 2. the nano combined foaming rope of one kind according to claim 1, it is characterised in that:Described nano modification polypropylene is Composite after nano modification filling, including polypropylene, Nano filling and solubilizer are carried out to polypropylene by Nano filling, Polypropylene, Nano filling, the mass ratio of solubilizer are 7-8.5:0.6-1.6:0.05-1.5.
  3. 3. the nano combined foaming rope of one kind according to claim 2, it is characterised in that:Described Nano filling is modified nothing Alkali glass Ultramicro-powder, modified alkali-free glass Ultramicro-powder include alkali-free glass powder and surfactant, alkali-free glass powder, surface-active The mass ratio of agent is 1:0.5-0.8, described surfactant are dodecyl sodium sulfate.
  4. 4. the nano combined foaming rope of one kind according to claim 2, it is characterised in that:Described solubilizer is dibenzoic acid Graft polyisobutene, oxalic acid are grafted poly- epoxypentene, 3- along one kind in isobutenyl benzoyl isocyanate.
  5. 5. the nano combined foaming rope of one kind according to claim 1, it is characterised in that:Described natural fiber is that wool is fine One or more combination in dimension, fruit fiber, cotton, gypsum walling material.
  6. 6. the nano combined foaming rope of one kind according to claim 1, it is characterised in that:Described compound stabilizer is tristearin Acid file, the compound of phosphorous vinegar, stearic acid file, the mass ratio of phosphorous vinegar are 1:3-4.6.
  7. 7. the nano combined foaming rope of one kind according to claim 1, it is characterised in that:Described defoamer is polyoxyethylene One kind in polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether, polypropylene glycerol aether.
  8. 8. the nano combined foaming rope of one kind according to claim 1, it is characterised in that:Described antioxidant be 2- amino- One kind in 4- methylquinolines, 4- ethoxyquinolines.
  9. 9. a kind of preparation method of nano combined foaming rope, specifically includes following steps:
    (1) the polyacrylic preparation of nano modification
    Alkali-free glass powder is added in ball mill and ground, the first sieve is crossed, alkali-free glass Ultramicro-powder is obtained, by alkali-free glass ultra micro Powder mixes with purified water, adds surfactant while stirring, constant temperature stirring, centrifuges, dry, ground second sieve, i.e., Obtain being modified alkali-free glass Ultramicro-powder;
    The polypropylene, Nano filling and solubilizer of mass parts are added into screw extruder extrusion molding to be granulated, that is, obtain nanometer Modified polypropene;
    (2) preparation of nano combined foaming rope
    Raw material each by weight is added into plastic optical fibre of the multiple screw extruder after melting extrusion, metering, spinneret process to be put into Cooled down in tank, obtain plastic monofilament fiber;Plastic monofilament fiber after cooling is put into drafting machine and carries out drawing-off, is introduced afterwards Shaped in forming press-roller to obtain plastic strip;Plastic strip synthesizes rope in rope machine, produces hair afterwards into stock is twisted in stock machine Bubble rope.
  10. A kind of 10. preparation method of nano combined foaming rope according to claim 9, it is characterised in that:Step (1) is described The sieve mesh of the first sieve be 60 mesh, the second sieve mesh sieved is 100 mesh;The quality of described purified water is alkali-free glass Ultramicro-powder 10-15 times;Described constant temperature whipping temp is 50-75 DEG C, mixing time 2-3h;Described extrusion temperature is 240-260 DEG C.
CN201710791801.8A 2017-09-05 2017-09-05 A kind of nano combined foaming rope and preparation method Pending CN107604469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710791801.8A CN107604469A (en) 2017-09-05 2017-09-05 A kind of nano combined foaming rope and preparation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710791801.8A CN107604469A (en) 2017-09-05 2017-09-05 A kind of nano combined foaming rope and preparation method

Publications (1)

Publication Number Publication Date
CN107604469A true CN107604469A (en) 2018-01-19

Family

ID=61057281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710791801.8A Pending CN107604469A (en) 2017-09-05 2017-09-05 A kind of nano combined foaming rope and preparation method

Country Status (1)

Country Link
CN (1) CN107604469A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111363253A (en) * 2020-04-24 2020-07-03 界首市宏利塑料有限公司 Corrosion-resistant plastic rope
CN111501384A (en) * 2020-04-24 2020-08-07 界首市宏利塑料有限公司 High-strength wear-resistant PP plastic rope

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070025040A (en) * 2005-08-31 2007-03-08 길은주 Packing sheet for bottle lid of unrefined rice wine and method of manufacturing the same
CN102532685A (en) * 2010-12-23 2012-07-04 上海普利特复合材料股份有限公司 Nano talcpowder modified polypropylene composite material and preparation method thereof
CN104725711A (en) * 2015-03-10 2015-06-24 淄博迪声绝缘材料有限公司 Hybrid polyacrylic fibreglass sleeve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070025040A (en) * 2005-08-31 2007-03-08 길은주 Packing sheet for bottle lid of unrefined rice wine and method of manufacturing the same
CN102532685A (en) * 2010-12-23 2012-07-04 上海普利特复合材料股份有限公司 Nano talcpowder modified polypropylene composite material and preparation method thereof
CN104725711A (en) * 2015-03-10 2015-06-24 淄博迪声绝缘材料有限公司 Hybrid polyacrylic fibreglass sleeve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111363253A (en) * 2020-04-24 2020-07-03 界首市宏利塑料有限公司 Corrosion-resistant plastic rope
CN111501384A (en) * 2020-04-24 2020-08-07 界首市宏利塑料有限公司 High-strength wear-resistant PP plastic rope

Similar Documents

Publication Publication Date Title
CN110628131B (en) Polypropylene composite material with low shrinkage and low linear expansion coefficient and preparation method thereof
CN105623097A (en) Nanometer-material-compounded long-glass-fiber-reinforced polypropylene material and preparing method thereof
CN105367897A (en) Glass fiber reinforced modified polypropylene material and preparation method thereof
CN111040440B (en) Low-density high-wear-resistance nylon composite material and preparation method and application thereof
CN106751379A (en) Product prepared by a kind of fused glass pellet technique and preparation method thereof
CN105524398A (en) ABS rapid prototyping material used for 3D printing, and preparation method thereof
CN102936372B (en) Polypropylene composite material, its preparation method and application
CN113549323A (en) High-strength high-flow low-warpage long glass fiber reinforced polyamide composite material, and preparation method and application thereof
CN111154241A (en) Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof
CN107604469A (en) A kind of nano combined foaming rope and preparation method
CN110903650B (en) High-crystallinity polyphenylene sulfide composite material easy to machine and mold and preparation method and application thereof
CN113150450A (en) Recyclable nano-cellulose reinforced polypropylene material and preparation method and application thereof
CN106674854A (en) HIPS composite material for rear shell of television and preparation method of HIPS composite material
CN102746599B (en) High-thermal-oxidation-stability polyvinylidene fluoride composition and preparation method thereof
CN107141686A (en) A kind of preparation method of polypropylene material
CN103289377A (en) Continuous basalt fiber-reinforced polypropylene/nylon alloy material and preparation method thereof
CN107489047A (en) A kind of high-performance polypropylene plastic ties
TW201229599A (en) Flexible strength members for wire cables
CN108485265A (en) One kind having rapid crystallization packing reinforced polyphenyl thioether composite material
CN103951978A (en) Polyphenylene sulfide (PPS) resin composite material used for aircraft hoods and preparation method of composite material
CN103509343A (en) Glass fiber reinforced polyphenylene sulfide/polyphenyl ether composite material and preparation method thereof
CN107964167A (en) A kind of fire-retardant long glass fiber-reinforced polypropylene materials of high processing temperature and preparation method thereof
CN112552586B (en) Glass fiber reinforced polypropylene composition and preparation method thereof
CN102850784A (en) Nylon 6 modified material and preparation method thereof
CN109467814B (en) Composite mineral fiber filled polypropylene composite material and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180119