CN109988269A - A kind of novel powder tackifier and preparation method thereof - Google Patents
A kind of novel powder tackifier and preparation method thereof Download PDFInfo
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- CN109988269A CN109988269A CN201810000508.XA CN201810000508A CN109988269A CN 109988269 A CN109988269 A CN 109988269A CN 201810000508 A CN201810000508 A CN 201810000508A CN 109988269 A CN109988269 A CN 109988269A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions 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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8182—Copolymers of vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F226/10—N-Vinyl-pyrrolidone
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/10—General cosmetic use
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- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Dermatology (AREA)
- Engineering & Computer Science (AREA)
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- Polymers & Plastics (AREA)
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a kind of novel powder tackifier and preparation method thereof, novel powder tackifier include the co-polymer being polymerized by vinyl monomer A and polyfunctional group vinyl monomer B；The vinyl monomer A is selected from least one of nitrogenous vinyl monomer；The polyfunctional group vinyl monomer B is selected from acrylic ester monomer or allyl ether series monomer.Novel powder tackifier temperature tolerance with higher of the invention, acid-proof alkaline, salt-resistance, Efficient Adhesive Promotion is obvious, can satisfy the requirement of a variety of cosmetics, spinning sizing agent etc..
Description
Technical field
The invention belongs to tackifier technical fields, and in particular to a kind of novel powder tackifier and a kind of novel powder
The preparation method of tackifier.
Background technique
Current cosmetics, fabrics printing and dyeing slurry are the viscosity for improving component, often add a certain amount of tackifier etc..Usually
Tackifier product be mostly water-soluble or oil-soluble dissolubility polymer, be added to improved in component slurry component viscosity,
The processability etc. of slurry.In spinning sizing agent, polyacrylic size and hot-melt extrusion are commonly used in the trade, but polyacrylic
There is slurry very strong viscosity, serous coat again to be easy to be pasted on parts in use, or make to occur to glue simultaneously between yarn.This
Kind glues the integrality that phenomenon destroys serous coat again, increases sizing hairiness number, and slime spots fault increases, and sizing quality is by larger shadow
It rings, then viscosity is the major defect of polyacrylic size by force, is subject to certain restrictions its application.Though hot-melt extrusion can avoid
Disadvantage mentioned above, but desizability is poor, energy consumption is high, and it is at high cost, restrict its extensive use.
Therefore, it is urgent to provide a kind of new tackifier, the use of a variety of cosmetics, spinning sizing agent etc. can be better met
It is required that.
Summary of the invention
In view of the above shortcomings of the prior art, the object of the present invention is to provide a kind of novel powder tackifier, and
A kind of preparation method of novel powder tackifier.The novel powder tackifier temperature tolerance with higher, acid-proof alkaline, thickening
Effect is obvious, can satisfy the requirement of a variety of cosmetics, spinning sizing agent etc..
The first aspect of the present invention provides a kind of novel powder tackifier, comprising by vinyl monomer A and polyfunctional group alkene
The co-polymer that class monomer B is polymerized；The vinyl monomer A is selected from least one of nitrogenous vinyl monomer；It is described more
Functional group vinyl monomer B is selected from acrylic ester monomer or allyl ether series monomer.
Preferably, mass concentration is that the viscosity of the novel powder tackifier water solution of 4wt% is greater than 2000cP.
Under preferable case, the vinyl monomer A is selected from vinyl pyrrolidone, vinyl carbazole and caprolactam
At least one of.
Preferably, the polyfunctional group vinyl monomer B is selected from pentaerythritol triallyl ether, pentaerythrite diallyl
Ether, glycerol diallyl ether, trimethylolpropane allyl ether, pentaerythritol triacrylate, ethoxylation trihydroxy methyl
Three hydroxypropyl ether triacrylate of propane triacrylate, trimethylolpropane trimethacrylate or glycerol.
According to the present invention, the novel powder tackifier are that vinyl monomer A and polyfunctional group vinyl monomer B leads in a solvent
It crosses continuous polymerization and reacts the co-polymer to be formed, through desolventizing, drying after polymerization reaction completion, obtaining product is white powder
Polymer.
The second aspect of the present invention provides a kind of preparation method of novel powder tackifier, comprising the following steps:
A) solvent is added into reaction kettle, and is passed through inert gas shielding, is heated to reaction temperature；
B) initiator is put into reaction kettle, and continuously adds the mixture of vinyl monomer A and polyfunctional group vinyl monomer B；
C) reaction system is heated up, initiator is added again, the reaction was continued, obtains the polymer fluid full of white precipitate；
D) by the polymer fluid desolventizing, drying, the novel powder tackifier are obtained；
The vinyl monomer A is selected from least one of nitrogenous vinyl monomer；The polyfunctional group vinyl monomer B is selected from propylene
Esters of gallic acid monomer or allyl ether series monomer.
According to the present invention, the solvent can be selected from least one of n-hexane, hexamethylene, normal heptane and isooctane.It is excellent
Selection of land, the solvent are selected from n-hexane or hexamethylene.
According to the present invention, the additional amount of the solvent can be 50 ~ 120 parts by weight, preferably 60 ~ 80 parts by weight.
In the present invention, reaction temperature described in step a) can be 50-90 DEG C, preferably 65-75 DEG C；It will reaction in step c)
System heats up 5-30 DEG C.
It inert gas and is passed through the time in the present invention, in inert gas shielding operation and can be carried out according to state of the art
Conventional selection, as long as reaction system can be made to be in anaerobic state.For example, nitrogen 10-30min can be led to.
According to the present invention, the initiator can be selected from peroxidating pivalate, tert-butyl hydroperoxide, two isobutyl of azo
At least one of two isobutyl miaow hydrochloride of nitrile, azobisisoheptonitrile and azo.
Under preferable case, the vinyl monomer A is selected from vinyl lactam class and/or vinyl carbazole class；It is highly preferred that
The vinyl monomer A is selected from least one of vinyl pyrrolidone, vinyl carbazole and caprolactam.
Preferably, the polyfunctional group vinyl monomer B is selected from pentaerythritol triallyl ether, pentaerythrite diallyl
Ether, glycerol diallyl ether, trimethylolpropane allyl ether, pentaerythritol triacrylate, ethoxylation trihydroxy methyl
Three hydroxypropyl ether triacrylate of propane triacrylate, trimethylolpropane trimethacrylate or glycerol.
According to the present invention, the dosage of the vinyl monomer A is 10 ~ 50 parts by weight, and the weight with the vinyl monomer A is
Benchmark, the dosage of the polyfunctional group vinyl monomer B are 0.3 ~ 1.5wt%, preferably 0.4 ~ 1.0wt%.
In the present invention, on the basis of the weight of the vinyl monomer A, in step b) the input amount of initiator be 0.3 ~
1.5wt%, preferably 0.4 ~ 1.0wt%.
According to the present invention, in step b), when continuously adding of the mixture of vinyl monomer A and polyfunctional group vinyl monomer B
Between can be 2-18h, preferably 5-12h.
In the present invention, on the basis of the weight of the vinyl monomer A, in step c) the additional amount of initiator be 0.1 ~
0.5wt%, preferably 0.3 ~ 0.4wt%.
According to the present invention, the reaction was continued in step c), and the time can be 4-12h, preferably 5-10h.
Novel powder tackifier of the invention are a kind of vinyl monomer (vinyl monomer A) and another polyfunctional group alkenes list
The co-polymer of body (polyfunctional group vinyl monomer B), the vinyl monomer selected contain the resistance to salt groups of temperature resistance, Qiang Shuihua base respectively
Group and strong adsorption group, by its collocation polymerization mutually；Wherein, the monomer of the resistance to salt groups containing temperature resistance is able to ascend polymer entirety
Temperature resistance salt resistance ability；Aquation monomer containing strong aquation group is able to ascend the hydration capability and solvability of polymer；Cross-linked network
Shape structure and absorption monomer containing strong adsorption group can effectively promote the molecular weight and viscosity of polymer.
Compared with prior art, the invention has the advantages that and good effect:
(1) novel powder tackifier of the invention are in water at semigel shape, and the viscosity of 4wt% aqueous solution is at 2000cP/25 DEG C
More than.
(2) Efficient Adhesive Promotion of novel powder tackifier of the invention increases with tackifier concentration and is increased sharply.
(3) tackifier Efficient Adhesive Promotion of the invention is obvious, can play good thickening in various slurry use environments
Effect, and the deficiency of viscosity, non-refractory etc. again in the prior art is solved, and tackifier of the invention also have anti-salt property
Good feature.
(4) raw material of the present invention is non-toxic or low-toxic chemical agent, residual quantity very little, and individual raw material warps
No longer sufficiently there is toxicity after polymerization, will not be to environmental effects, therefore, it can be in the high area such as ocean of environmental requirement
As usual it uses.
(5) novel powder tackifier preparation method of the invention, simple process is feasible, high-efficient, is suitble to the big rule of industrialization
Mould production.
Detailed description of the invention
Fig. 1 is the viscosity of novel powder tackifier various concentration aqueous solution made from the embodiment of the present invention 2.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with the embodiment of the present invention, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.
In the examples below, used test method includes:
1. viscosity: Brookfield Viscosity, DV2T, Spindle 4#, 20rpm, 25 DEG C.
2. residual monomer: gas chromatography.
Material unit " part " each means parts by weight in each embodiment
Embodiment 1
The present embodiment is for illustrating novel powder tackifier and preparation method thereof of the invention.
In a kettle, 120 parts of solvent hexamethylene are added, is heated up after nitrogen displacement 15min, azo is added in 70 DEG C of whens immediately
Two 0.09 part of isobutyl cyanogen, while 30 parts of vinylpyrrolidone monomers and 0.09 part of ethoxylation are added by constant pressure liquid-adding device
The mixture of trimethylolpropane trimethacrylate, uniformly adds, and adding the time is 4 hours.After adding, it is heated to
80 DEG C, 0.03 part of initiator is added again, the reaction was continued 12 hours.After the completion, desolventizing, vacuum drying obtain white powder increasing
Stick.The chemical structure of the main component of tackifier is as follows:
R1:
Embodiment 2
In a kettle, 60 parts of solvent hexane are added, is heated up after nitrogen displacement 15min, it is different that azo two is added in 70 DEG C of whens immediately
Heptan, 0.03 part of cyanogen, while adding 10 parts of vinylpyrrolidone monomers and 0.03 part of pentaerythrite triolefin by constant pressure liquid-adding device
The mixture of propyl ether, uniformly adds, and adding the time is 2 hours.After adding, 80 DEG C are heated to, is added draws again
0.01 part of agent of hair, the reaction was continued 7 hours.After the completion, desolventizing, vacuum drying obtain white powder tackifier.The master of tackifier
Want the chemical structure of ingredient as follows:
R1:
Tackifier are made in embodiment 2 and are configured to the water that mass concentration is 1wt%, 2wt%, 3wt%, 4wt%, 5wt%, 6wt% respectively
Solution surveys its viscosity, as shown in Figure 1.
Embodiment 3
In a kettle, 50 parts of solvent hexane are added, is heated up after nitrogen displacement 15min, it is special that peroxidating is added in 70 DEG C of whens immediately
0.75 part of valerate, while 50 parts of caprolactam monomers and 0.75 part of pentaerythrite three are added by constant pressure liquid-adding device
The mixture of acrylate, uniformly adds, and adding the time is 18 hours.After adding, 80 DEG C are heated to, is added again
0.1 part of initiator, the reaction was continued 12 hours.After the completion, desolventizing, vacuum drying obtain white powder tackifier.Tackifier
The chemical structure of main component is as follows:
R1:
Embodiment 4
In a kettle, 120 parts of solvent n-heptane are added, is heated up after nitrogen displacement 15min, it is special that peroxidating is added in 90 DEG C of whens immediately
0.75 part of valerate, while 50 parts of vinylcabazole monomers and 0.75 part of three hydroxypropyl ether of glycerol are added by constant pressure liquid-adding device
The mixture of triacrylate, uniformly adds, and adding the time is 10 hours.After adding, be heated to 80 DEG C, again plus
Enter 0.1 part of initiator, the reaction was continued 12 hours.After the completion, desolventizing, vacuum drying obtain white powder tackifier.Tackifier
Main component chemical structure it is as follows:
R1:
Embodiment 5
In a kettle, 120 parts of solvent isooctane are added, is heated up after nitrogen displacement 15min, tert-butyl mistake is added in 50 DEG C of whens immediately
0.75 part of hydrogen oxide, while 50 parts of vinylcabazole monomers and 0.75 part of trimethylolpropane tris are added by constant pressure liquid-adding device
The mixture of acrylate, uniformly adds, and adding the time is 9 hours.After adding, 80 DEG C are heated to, is added again
0.25 part of initiator, the reaction was continued 4 hours.After the completion, desolventizing, vacuum drying obtain white powder tackifier.Tackifier
The chemical structure of main component is as follows:
R1:
Embodiment 6
In a kettle, 120 parts of solvent hexamethylene are added, is heated up after nitrogen displacement 15min, it is different that azo two is added in 70 DEG C of whens immediately
0.09 part of fourth miaow hydrochloride, while 30 parts of vinylpyrrolidone monomers and 0.09 part of ethyoxyl are added by constant pressure liquid-adding device
The mixture for changing trimethylolpropane trimethacrylate, uniformly adds, and adding the time is 10 hours.After adding, heating is risen
Temperature is added 0.03 part of initiator, the reaction was continued 12 hours to 80 DEG C again.After the completion, desolventizing, vacuum drying obtain white powder
Shape tackifier.The chemical structure of the main component of tackifier is as follows:
R1:
Embodiment 7
In a kettle, 120 parts of solvent hexamethylene are added, is heated up after nitrogen displacement 15min, it is different that azo two is added in 70 DEG C of whens immediately
0.09 part of fourth miaow hydrochloride, while 15 parts of vinylpyrrolidone monomers, 15 parts of vinyl clicks are added by constant pressure liquid-adding device
The mixture of azoles monomer and 0.09 part of ethoxylated trimethylolpropane triacrylate, uniformly adds, and adding the time is 6 small
When.After adding, 80 DEG C are heated to, 0.03 part of initiator is added again, the reaction was continued 12 hours.After the completion, precipitation
Agent, vacuum drying obtain white powder tackifier.
Tackifier made from embodiment 1-7 are configured to five kinds of solution of A-B that mass concentration is 4wt% respectively, it is viscous to survey it
Degree, wherein A: aqueous solution；B: aqueous solution adds HCl tune pH to 1；C: aqueous solution adds NaOH tune pH to 14；D:15% NaCl is water-soluble
Liquid；E: sample preparation aqueous solution after being heated 24 hours in tackifier air in 100 DEG C.The design parameter of each tackifier solution is shown in
Table 1.
Table 1
As shown in Table 1, for the viscosity of the obtained 4wt% aqueous solution of tackifier of the invention at 2000cP/25 DEG C or more, either salt is molten
Liquid, acid solution, aqueous slkali, or be heating after tackifier made from aqueous solution, tackifier solution of the invention all have compared with
High viscosity has preferable acid and alkali-resistance, high temperature resistant and anti-salt property.In addition, as shown in Figure 1, novel powder of the invention
The Efficient Adhesive Promotion of tackifier increases with tackifier concentration and is increased sharply.
The embodiment of the present invention is described above, above description is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.Without departing from the scope and spirit of illustrated embodiment, for the art
Many modifications and changes are obvious for those of ordinary skill.
Claims (13)
1. a kind of novel powder tackifier, it is characterised in that: comprising being polymerize by vinyl monomer A with polyfunctional group vinyl monomer B
At co-polymer；The vinyl monomer A is selected from least one of nitrogenous vinyl monomer；The polyfunctional group vinyl monomer
B is selected from acrylic ester monomer or allyl ether series monomer.
2. novel powder tackifier according to claim 1, it is characterised in that: the novel powder that mass concentration is 4wt% increases
The viscosity of stick aqueous solution is greater than 2000cP.
3. novel powder tackifier according to claim 1, it is characterised in that: the vinyl monomer A is selected from vinylpyridine
At least one of pyrrolidone, vinyl carbazole and caprolactam.
4. novel powder tackifier according to claim 1 or 3, it is characterised in that: the polyfunctional group vinyl monomer B choosing
From pentaerythritol triallyl ether, pentaerythritol diallyl ether, glycerol diallyl ether, trimethylolpropane allyl
Ether, pentaerythritol triacrylate, ethoxylated trimethylolpropane triacrylate, trimethylolpropane trimethacrylate or
Three hydroxypropyl ether triacrylate of glycerol.
5. a kind of preparation method of novel powder tackifier, it is characterised in that: the following steps are included:
A) solvent is added into reaction kettle, and is passed through inert gas shielding, is heated to reaction temperature；
B) initiator is put into reaction kettle, and continuously adds the mixture of vinyl monomer A and polyfunctional group vinyl monomer B；
C) reaction system is heated up, initiator is added again, the reaction was continued, obtains the polymer fluid full of white precipitate；
D) by the polymer fluid desolventizing, drying, the novel powder tackifier are obtained；
The vinyl monomer A is selected from least one of nitrogenous vinyl monomer；The polyfunctional group vinyl monomer B is selected from propylene
Esters of gallic acid monomer or allyl ether series monomer.
6. the preparation method of novel powder tackifier according to claim 5, it is characterised in that: the solvent be selected from just oneself
At least one of alkane, hexamethylene, normal heptane and isooctane.
7. the preparation method of novel powder tackifier according to claim 5, it is characterised in that: the initiator was selected from
Aoxidize pivalate, tert-butyl hydroperoxide, in two isobutyl miaow hydrochloride of azodiisobutyronitrile, azobisisoheptonitrile and azo
It is at least one.
8. the preparation method of novel powder tackifier according to claim 5, it is characterised in that: the vinyl monomer A choosing
From at least one of vinyl pyrrolidone, vinyl carbazole and caprolactam.
9. the preparation method of novel powder tackifier according to claim 5 or 8, it is characterised in that: the polyfunctional group
Vinyl monomer B is selected from pentaerythritol triallyl ether, pentaerythritol diallyl ether, glycerol diallyl ether, trihydroxy methyl third
Alkane diallyl ether, pentaerythritol triacrylate, ethoxylated trimethylolpropane triacrylate, trimethylolpropane tris
Three hydroxypropyl ether triacrylate of acrylate or glycerol.
10. the preparation method of novel powder tackifier according to claim 5, it is characterised in that: the addition of the solvent
Amount is 50 ~ 120 parts by weight, and the dosage of the vinyl monomer A is 10 ~ 50 parts by weight, using the weight of the vinyl monomer A as base
Standard, the dosage of the polyfunctional group vinyl monomer B are 0.3% ~ 1.5wt%.
11. the preparation method of novel powder tackifier according to claim 5 or 10, it is characterised in that: with the alkenes
On the basis of the weight of monomer A, the input amount of initiator is 0.3% ~ 1.5wt% in step b), the additional amount of initiator in step c)
For 0.1 ~ 0.5wt%.
12. the preparation method of novel powder tackifier according to claim 5, it is characterised in that: anti-described in step a)
Answering temperature is 50-90 DEG C；Reaction system is heated up 5-30 DEG C in step c).
13. the preparation method of novel powder tackifier according to claim 5 or 12, it is characterised in that: mixed in step b)
That closes object adds the time continuously as 2-18h, and the reaction was continued in step c), and the time is 4-12h.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073614A (en) * | 1990-10-18 | 1991-12-17 | Isp Investments Inc. | Strongly swellable, moderately crosslinked polyvinylpyrrolidone |
| WO1993021931A1 (en) * | 1992-04-30 | 1993-11-11 | Isp Investments Inc. | Strongly swellable, moderately crosslinked polyvinylpyrrolidone |
| US6300442B1 (en) * | 1997-12-10 | 2001-10-09 | Isp Investments Inc. | Process for making a cosmetically or pharmaceutically-acceptable emulsion or gel composition |
| CN101341239A (en) * | 2004-10-14 | 2009-01-07 | Isp投资有限公司 | Rheology modifier/hair styling resin |
| CN101959911A (en) * | 2008-02-01 | 2011-01-26 | 巴斯夫欧洲公司 | Linear precipitated polymer |
-
2018
- 2018-01-02 CN CN201810000508.XA patent/CN109988269A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073614A (en) * | 1990-10-18 | 1991-12-17 | Isp Investments Inc. | Strongly swellable, moderately crosslinked polyvinylpyrrolidone |
| WO1993021931A1 (en) * | 1992-04-30 | 1993-11-11 | Isp Investments Inc. | Strongly swellable, moderately crosslinked polyvinylpyrrolidone |
| US6300442B1 (en) * | 1997-12-10 | 2001-10-09 | Isp Investments Inc. | Process for making a cosmetically or pharmaceutically-acceptable emulsion or gel composition |
| CN101341239A (en) * | 2004-10-14 | 2009-01-07 | Isp投资有限公司 | Rheology modifier/hair styling resin |
| CN101959911A (en) * | 2008-02-01 | 2011-01-26 | 巴斯夫欧洲公司 | Linear precipitated polymer |
Non-Patent Citations (2)
| Title |
|---|
| 刘伟著: "《生物高分子材料及其应用研究》", 2017113, 成都：电子科技大学出版社 * |
| 谢荣化: "《塑料购销手册》", 31 May 1994, 北京：中国物资出版社 * |
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Application publication date: 20190709 |