CN106118031A - A kind of production technology of environmental protection blending foaming material - Google Patents
A kind of production technology of environmental protection blending foaming material Download PDFInfo
- Publication number
- CN106118031A CN106118031A CN201610471261.0A CN201610471261A CN106118031A CN 106118031 A CN106118031 A CN 106118031A CN 201610471261 A CN201610471261 A CN 201610471261A CN 106118031 A CN106118031 A CN 106118031A
- Authority
- CN
- China
- Prior art keywords
- mixed liquor
- mixed
- compound
- environmental protection
- production technology
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6212—Polymers of alkenylalcohols; Acetals thereof; Oxyalkylation products thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses the production technology of a kind of environmental protection blending foaming material, comprises the steps: to mix polystyrene, polyvinyl alcohol respectively with water, after being heated to 95 105 DEG C of dissolvings, and both mixing, obtain mixed liquor a；Starch is mixed with water, 75 85 DEG C of dissolvings, obtains mixed liquor b；Mixed liquor a is uniformly mixed with mixed liquor b, is then sequentially added into foaming agent, glycerol, calcium carbonate and Borax, is sufficiently stirred for, obtain blended liquid c standby；Polyether-tribasic alcohol, stannous octoate, sodium stearate, zinc stearate and 1/2 blended liquid c are added in stirred tank and is uniformly mixed, obtain compound d；Poly(propylene oxide), isocyanates, fire retardant and 1/2 blended liquid c are added stirring, mix homogeneously in stirred tank, obtains compound e；Mould is heated, in mould, adds compound d and compound e compressing.The present invention uses three-step approach to prepare environmental protection blending foaming material, and technique is simple, low for equipment requirements, environmentally safe.
Description
Technical field
The invention belongs to foam technology field, relate to a kind of expanded material, specifically a kind of environmental protection is blended foaming material
The production technology of material.
Background technology
Along with the theory of low-carbon economy and green package is progressively approved by people, environment-friendly type expanded material has obtained extensively should
With.At present, come out at foam material field several foamed plant fiber materials existing.Mostly existing research is by plant is fine
Dimension mixes with various auxiliary agents so that Plant fiber becomes, with the mixed system of auxiliary agent, the mixing being prone to keep gas and fast shaping here
Thing, makes foaming agent decompose by hot conditions afterwards and produces gas.
Polyurethane foam is that the components such as polyurethane prepolymer, foaming agent, catalyst are filled in pressure inhalator jar by one
Special polyurethane products, when material sprays from inhalator jar, the polyurethane materials of foam shape can expand and with air or contact
To matrix in moisture generation curing reaction form foam, the foam after solidification has joint filling, bonds, seals heat insulation, sound-absorbing
Deng multi-effect, being a kind of environmental protection and energy saving, expanded material easy to use, great advantage is that light weight, heat-insulation and heat-preservation be good, sound insulation
And buffering excellent in vibration resistance, there is higher compressive strength and preferable dimensional stability.
Summary of the invention
It is an object of the invention to provide the production technology of a kind of environmental protection blending foaming material.
The purpose of the present invention can be achieved through the following technical solutions:
The production technology of a kind of environmental protection blending foaming material, this production technology comprises the steps:
1) polystyrene, polyvinyl alcohol are mixed with water respectively, after being heated to 95-105 DEG C of dissolving, both mixing, obtain mixed
Close liquid a；
Starch is mixed with water, 75-85 DEG C of dissolving, obtains mixed liquor b；
Mixed liquor a is uniformly mixed with mixed liquor b, is then sequentially added into foaming agent, glycerol, calcium carbonate and Borax, fully
Stirring, obtains blended liquid c standby；
2) polyether-tribasic alcohol, stannous octoate, sodium stearate, zinc stearate and 1/2 blended liquid c are added stirring in stirred tank
Mix homogeneously, obtains compound d；
Poly(propylene oxide), isocyanates, fire retardant and 1/2 blended liquid c are added stirring, mix homogeneously in stirred tank,
To compound e；
3) mould is heated, in mould, add compound d and compound e compressing.
Step 1) described in polystyrene 80-85 part, polyvinyl alcohol 15-20 part, starch 20-25 part, glycerol 8-10 part,
Calcium carbonate 35-40 part, Borax 2-3 part, foaming agent 3-5 part；Wherein, polystyrene, polyvinyl alcohol, starch are with water the most by weight
Add than for 1:2.
Step 2) described in polyether-tribasic alcohol 90-95 part, isocyanates 110-115 part, poly(propylene oxide) 20-25 part,
Stannous octoate 2-3 part, sodium stearate 1.5-2 part, zinc stearate 0.5-1 part, fire retardant 16-18 part.
Beneficial effects of the present invention: the present invention uses three-step approach to prepare environmental protection blending foaming material, technique is simple, to equipment
Require low, environmentally safe；
The environmental protection blending foaming material formula that the present invention prepares is simple, and raw material is easy to get, and has preferable degradation property.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
The production technology of a kind of environmental protection blending foaming material, this production technology comprises the steps, with each ingredients weight parts
Meter:
1) polystyrene 82 parts, polyvinyl alcohol 18 parts are mixed with 41 parts of water, 9 parts of water respectively, be heated to 100 DEG C of dissolvings
After, then by two mixed liquor mixing of heating, obtain mixed liquor a；
24 parts of starch are mixed with the water of half corresponding amount, 80 DEG C of dissolvings, obtains mixed liquor b；
Mixed liquor a is uniformly mixed with mixed liquor b, be then sequentially added into 4 parts of foaming agent, 9 parts of glycerol, 38 parts of calcium carbonate with
2.5 parts of Boraxs, are sufficiently stirred for, and obtain blended liquid c standby；
2) by polyether-tribasic alcohol 92 parts, stannous octoate 2.5 parts, sodium stearate 1.8 parts, zinc stearate 0.8 part and 1/2 amount
Blended liquid c addition stirred tank is uniformly mixed, obtains compound d；
The blended liquid c of poly(propylene oxide) 24 parts, isocyanates 112 parts, fire retardant 17 parts and residue 1/2 amount is added stirring
In still, stirring, mix homogeneously, obtain compound e；
3) mould is heated, in mould, add compound d and compound e compressing.
Embodiment 2
The production technology of a kind of environmental protection blending foaming material, this production technology comprises the steps, with each ingredients weight parts
Meter:
1) by polystyrene 80 parts, polyvinyl alcohol 20 parts, water with half corresponding amount mixes respectively, is heated to 95 DEG C of dissolvings
After, then by two mixed liquor mixing of heating, obtain mixed liquor a；
Starch 20 parts is mixed with the water of half corresponding amount, 85 DEG C of dissolvings, obtains mixed liquor b；
Mixed liquor a is uniformly mixed with mixed liquor b, be then sequentially added into 5 parts of foaming agent, 8 parts of glycerol, 40 parts of calcium carbonate with
2 parts of Boraxs, are sufficiently stirred for, and obtain blended liquid c standby；
2) being blended polyether-tribasic alcohol 95 parts, stannous octoate 2 parts, sodium stearate 2 parts, zinc stearate 0.5 part and 1/2 amount
Liquid c addition stirred tank is uniformly mixed, obtains compound d；
The blended liquid c of poly(propylene oxide) 25 parts, isocyanates 110 parts, fire retardant 18 parts and residue 1/2 amount is added stirring
In still, stirring, mix homogeneously, obtain compound e；
3) mould is heated, in mould, add compound d and compound e compressing.
Embodiment 3
The production technology of a kind of environmental protection blending foaming material, this production technology comprises the steps, with each ingredients weight parts
Meter:
1) by polystyrene 85 parts, polyvinyl alcohol 15 parts, water with half corresponding amount mixes respectively, is heated to 105 DEG C of dissolvings
After, then by two mixed liquor mixing of heating, obtain mixed liquor a；
Starch 20 parts is mixed with the water of half corresponding amount, 85 DEG C of dissolvings, obtains mixed liquor b；
Mixed liquor a is uniformly mixed with mixed liquor b, is then sequentially added into 3 parts of foaming agent, 10 parts of glycerol, 35 parts of calcium carbonate
With 3 parts of Boraxs, it is sufficiently stirred for, obtains blended liquid c standby；
2) being blended polyether-tribasic alcohol 90 parts, stannous octoate 3 parts, sodium stearate 1.5 parts, zinc stearate 1 part and 1/2 amount
Liquid c addition stirred tank is uniformly mixed, obtains compound d；
The blended liquid c of poly(propylene oxide) 20 parts, isocyanates 115 parts, fire retardant 16 parts and residue 1/2 amount is added stirring
In still, stirring, mix homogeneously, obtain compound e；
3) mould is heated, in mould, add compound d and compound e compressing.
Above content is only citing made for the present invention and explanation, and affiliated those skilled in the art are to being retouched
The specific embodiment stated makes various amendment or supplements or use similar mode to substitute, without departing from inventing or super
More scope defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. the production technology of an environmental protection blending foaming material, it is characterised in that this production technology comprises the steps:
1) polystyrene, polyvinyl alcohol are mixed with water respectively, after being heated to 95-105 DEG C of dissolving, both mixing, obtain mixed liquor
a；
Starch is mixed with water, 75-85 DEG C of dissolving, obtains mixed liquor b；
Mixed liquor a is uniformly mixed with mixed liquor b, is then sequentially added into foaming agent, glycerol, calcium carbonate and Borax, is sufficiently stirred for,
Obtain blended liquid c standby；
2) polyether-tribasic alcohol, stannous octoate, sodium stearate, zinc stearate and 1/2 blended liquid c are added stirring mixing in stirred tank
Uniformly, compound d is obtained；
Poly(propylene oxide), isocyanates, fire retardant and 1/2 blended liquid c are added stirring, mix homogeneously in stirred tank, is mixed
Close material e；
3) mould is heated, in mould, add compound d and compound e compressing.
The production technology of a kind of environmental protection blending foaming material the most according to claim 1, it is characterised in that step 1) in institute
Polystyrene 80-85 part of stating, polyvinyl alcohol 15-20 part, starch 20-25 part, glycerol 8-10 part, calcium carbonate 35-40 part, Borax
2-3 part, foaming agent 3-5 part；Wherein, polystyrene, polyvinyl alcohol, starch add by weight for 1:2 respectively with water.
The production technology of a kind of environmental protection blending foaming material the most according to claim 1, it is characterised in that step 2) in institute
Polyether-tribasic alcohol 90-95 part of stating, isocyanates 110-115 part, poly(propylene oxide) 20-25 part, stannous octoate 2-3 part, tristearin
Acid sodium 1.5-2 part, zinc stearate 0.5-1 part, fire retardant 16-18 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471261.0A CN106118031A (en) | 2016-06-24 | 2016-06-24 | A kind of production technology of environmental protection blending foaming material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471261.0A CN106118031A (en) | 2016-06-24 | 2016-06-24 | A kind of production technology of environmental protection blending foaming material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106118031A true CN106118031A (en) | 2016-11-16 |
Family
ID=57268409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610471261.0A Pending CN106118031A (en) | 2016-06-24 | 2016-06-24 | A kind of production technology of environmental protection blending foaming material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106118031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854296A (en) * | 2016-12-05 | 2017-06-16 | 钦州市钦南区生产力促进中心 | A kind of environmental-friendpacking packing material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221762A (en) * | 1997-12-30 | 1999-07-07 | 上海三林降解树脂制品公司 | High polymer masterbatch able to be biologically degraded, its products mfg. method |
| CN102167897A (en) * | 2010-11-29 | 2011-08-31 | 山东东大聚合物股份有限公司 | Rigid polyurethane foam special for laminboard |
| CN103435925A (en) * | 2013-07-25 | 2013-12-11 | 安徽顺彤包装材料有限公司 | Environmental-friendly packing material and preparation method thereof |
| CN103435770A (en) * | 2013-07-25 | 2013-12-11 | 安徽顺彤包装材料有限公司 | Preparation technology of polyurethane foam composite material with flame resistance |
-
2016
- 2016-06-24 CN CN201610471261.0A patent/CN106118031A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221762A (en) * | 1997-12-30 | 1999-07-07 | 上海三林降解树脂制品公司 | High polymer masterbatch able to be biologically degraded, its products mfg. method |
| CN102167897A (en) * | 2010-11-29 | 2011-08-31 | 山东东大聚合物股份有限公司 | Rigid polyurethane foam special for laminboard |
| CN103435925A (en) * | 2013-07-25 | 2013-12-11 | 安徽顺彤包装材料有限公司 | Environmental-friendly packing material and preparation method thereof |
| CN103435770A (en) * | 2013-07-25 | 2013-12-11 | 安徽顺彤包装材料有限公司 | Preparation technology of polyurethane foam composite material with flame resistance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854296A (en) * | 2016-12-05 | 2017-06-16 | 钦州市钦南区生产力促进中心 | A kind of environmental-friendpacking packing material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101767953B (en) | Novel thermal insulation mortar foaming agent and preparation method thereof | |
| CN102030977B (en) | Conjugate polyether, polyurethane raw material composition, polyurethane foams and applications thereof | |
| CN102585138B (en) | Polyether polyol system for external wall spraying and preparation method | |
| CN101508763B (en) | Spray finishing polyurethane rigid foam raw material and foam produced thereof | |
| CN102850034A (en) | Chlorine magnesium cement compound foaming insulation board and preparation method thereof | |
| CN103664122A (en) | Novel light-weight porous heat-insulating material and preparation method thereof | |
| CN103193419A (en) | Novel multifunctional foamed cement board | |
| CN103435925A (en) | Environmental-friendly packing material and preparation method thereof | |
| CN102745955B (en) | Preparation process for three-dimensional mesh cloth foaming cement composite material | |
| CN103553487B (en) | A kind of Composite lightweight thermal insulation material and preparation method thereof | |
| CN107880239A (en) | A kind of single-component cranny filler of polyurethane foam | |
| CN108440949A (en) | A kind of preparation method of hard polyurethane foam heat insulating energy saving material | |
| CN106145818A (en) | Composite material thermal insulation plate and preparation method thereof | |
| CN104876629A (en) | Silicate fireproof thermal insulation material and preparation method thereof | |
| CN103922690A (en) | Environment friendly foaming fireproof door panel and manufacturing method | |
| CN103589081A (en) | Novel expanded polystyrene resin | |
| CN106118031A (en) | A kind of production technology of environmental protection blending foaming material | |
| CN108383965A (en) | A kind of foam filled dose of dual-component polyurethane and preparation method thereof | |
| CN103288393A (en) | Cement foaming insulating plate with low heat conductive performance and preparation method thereof | |
| CN103058598B (en) | Production method of self-insulation block for building wall body | |
| CN103739253B (en) | Glazed hollow bead cement foamed insulation plate and preparation method | |
| CN104448186A (en) | Bio-based polyurethane foam insulation material | |
| CN103613836B (en) | A kind of foam material adding modified filler | |
| CN105315423A (en) | Continuous production-type all-water low-density acoustical board material and preparation method thereof | |
| CN104370574A (en) | Sound-absorption heat-insulation foamed brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |
|
| RJ01 | Rejection of invention patent application after publication |