CN110079250A - A method of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer - Google Patents
A method of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer Download PDFInfo
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- CN110079250A CN110079250A CN201910214104.5A CN201910214104A CN110079250A CN 110079250 A CN110079250 A CN 110079250A CN 201910214104 A CN201910214104 A CN 201910214104A CN 110079250 A CN110079250 A CN 110079250A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
A method of for the adhesives and reparation poster of the wooden supporter of poster and loessland battle layer, belonging to poster recovery technique field.Its raw material composition includes pure-acrylic emulsion, ZL-T42M type organosilicon, hydroxypropyl methyl cellulose；Pure-acrylic emulsion takes water as a solvent, solids level concentration 50%；For ZL-T42M type organosilicon using ethyl alcohol as solvent, the volume ratio of ZL-T42M type organosilicon and ethyl alcohol is 1:4；Hydroxypropyl methyl cellulose takes water as a solvent, mass percent concentration 1%；Three is independently；Pure-acrylic emulsion aqueous solution and Gonak are mixed to prepare mixed solution with the volume ratio of 1:3-5:1 when used, and the organic silicon solution later period is individually added dropwise.Effect of the present invention in terms of moisture holding capacity, water resistance, stability, acid resistance, freeze-thaw resistance and curing rate is excellent.
Description
Technical field
The present invention relates to a kind of sides of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer
Method belongs to poster recovery technique field.
Background technique
Poster is the various vivid caricatures drawn on wall, a large amount of straightaway distiches write with a brush dipped in Chinese ink, slogan,
Sentence etc..The manufacture craft of existing a part of poster are as follows: wood, bamboo wood are as supporter, and loess mixing rice-straw fibre is as ground
Layer is held, for lime as white bottom chromatograph, ink is coat of colo(u)r, such as nine Room Fujian Province Guan Zhishan, 18 Soviet, the area Jing Hongwu old site
Interior caricature wall uses this technique.Fujian Province belongs to subtropical zone monsoon wettability weather, and poster is in prolonged drying and watering cycle
Under sunlight irradiation, ground holds layer and occurs serious crisp powder phenomenon, and it is serious that constantly the falling off of loess particle has in turn resulted in poster
Hollowing phenomenon.It is different from the drying shrinkage bulking degree of soil that research achievement shows that this is mainly due to timber, in addition being bonded between the two
Property is very weak to be caused.Therefore, this patent is from the two factors, and invent a kind of can play Nian Jie make between timber and the soil body
With, and the material with good curing rate, weatherability, water resistance and reinforcement effect.
Summary of the invention
The present invention from the crisp powder for solving the problems, such as loessland battle layer fall off caused by hollowing and solve the problems, such as this purpose,
A kind of cementability that can enhance between loessland battle layer and wooden supporter is studied, and certain reinforcing is played to loessland battle layer and is made
With its weatherability being improved, so as to improve hollowing phenomenon.
To achieve the above object, a kind of adhesives haveing excellent performance is obtained by compounding, raw material composition includes pure C
Lotion, ZL-T42M type organosilicon, hydroxypropyl methyl cellulose, wherein pure-acrylic emulsion is as main cementing material, ZL-T42M
Type organosilicon and hydroxypropyl methyl cellulose are as additive；Pure-acrylic emulsion takes water as a solvent, solids level concentration 50%；ZL-
For T42M type organosilicon using ethyl alcohol as solvent, the volume ratio of ZL-T42M type organosilicon and ethyl alcohol is 1:4；Hydroxypropyl methyl cellulose
It takes water as a solvent, mass percent concentration 1%；Three is independently；Pure-acrylic emulsion aqueous solution and hydroxypropyl when used
Methocel solution is mixed to prepare mixed solution with the volume ratio of 1:3-5:1, and the organic silicon solution later period is individually added dropwise.It is preferred that pure
The volume ratio 5:1 of acrylic emulsion aqueous solution and Gonak.
The method that poster is repaired using adhesives of the present invention, which is characterized in that by pure-acrylic emulsion aqueous solution and hydroxypropyl
Methocel solution is mixed, and above-mentioned mixed liquor is added dropwise between ground battle layer to be repaired and wooden supporter, then into
Row pressing is bonded, later again by the ethanol solution of ZL-T42M type organosilicon be added drop-wise to after above-mentioned pressing bonding to be repaired
Infiltration absorption is carried out between multiple ground battle layer and wooden supporter, until infiltration completely, finally air-dries under field conditions (factors).
The index and method of assessment material performance mainly include the following types:
(1) moisture holding capacity
Moisture holding capacity absorbs the quality of water after impregnating in deionized water 24 hours by sample and sample state is commented
Estimate.Moisture holding capacity is inversely proportional with porosity, and porosity is bigger, and water-holding capacity is more, and moisture holding capacity is weaker.When the soil body is in more serious
Crisp powder state when, meet water can largely absorb water rapidly, at a terrific speed crack, collapse, through reinforcing after inside soil body quilt
Hydrophobic network structure is sufficient filling with, and reduces porosity, moisture holding capacity enhancing, and sample still remains intact state.
(2) water resistance
Harm maximum for the preservation of timber and the soil body is water, and rainy season holds layer and is in anti-with making wooden supporter and the soil body
Therefore multiple water suction and dehydration circulation, wooden supporter can deform, or even generate crack, influence to hold being bonded for layer with ground
Property；It holds to the soil body in layer containing some mineral clay ingredients, meets water and easily expand, dehydration is easily shunk, easy as wooden supporter
Deformation generates hollowing because this place battle layer is easily fallen off.Supporter and ground battle layer after being bonded, reinforcing should have one
Fixed water resistance prevents water from entering material internal, enhances mechanical property.
The specific method is as follows for water resistance detection: sample being impregnated 24 hours in deionized water, then is placed in 40 DEG C of baking
It is dry in case, i.e., one circulation.It repeats to test, observes the variation of sample topography and record the cycle-index that sample can adhere to.
(3) stability
Stability mainly for assessment of sample saline-alkaline tolerance, salinity can occur under the variation of temperature and humidity crystallization and it is swollen
It is swollen, shrink, make sample generate weathering phenomenon, when bonding and reinforcement material when sample interior plays sufficient supporting role, energy
The intrusion for enough resisting salinity, prevents the generation of Weathering Disease.
Steps are as follows for the specific experiment of stability detection: the metabisulfite solution that compound concentration is 5%, in the solution by sample
After impregnating for 24 hours, removal surplus liquid is taken out, then the dry 8h in 40 DEG C of baking oven, completes a circulation.Then it repeats to soak
Bubble, drying, into next circulation.Record variation and cycle-index of the sample in each circulation.
(4) acid resistance
Acid resistance is mainly used for investigating the sample after bonding is reinforced for the tolerance situation of acid rain, and experimental procedure is such as
Under: prepare acid rain solution (0.2g/L Na2SO4+0.2g/LNaHCO3, HCl adjust pH value to 5), sample is placed in acid rain solution
After middle immersion for 24 hours, removal surplus liquid is taken out, then the dry 8h in 40 DEG C of baking oven, completes a circulation.Repetition immersion,
Drying, into next circulation.Record variation and cycle-index of the sample in each circulation.
(5) freeze-thaw resistance
Freeze-thaw resistance is for investigating sample for the sensibility of temperature change, due to the four seasons temperature difference, when in sample hole
When moisture is frozen into ice, volume increases, while supportting macrovoid；Weather turns warm, and ice-out Cheng Shui, volume reduces, and moisture is big along support
Hole enter sample interior.In cycles, phenomena such as sample can generate crack, fall off.
The specific method is as follows for freeze-thaw resistance test: sample being impregnated 4 hours in deionized water, is subsequently placed in -18 DEG C
Household freezer in freeze 4h, the dry 8h in 40 DEG C of baking oven, completes a circulation later.It repeats to impregnate, freezing, dry, into
Enter next circulation.Record variation and cycle-index of the sample in each circulation.
(6) curing time
Curing rate is an important indicator for evaluating adhesives performance.Steps are as follows for specific experiment: preparing not year-on-year
The adhesives of example, the film on glass slide record the quality of glass slide before and after film, and recording materials are completely dry after the completion of smearing
Dry required time, the time assessment to press cotton pellet method to determine whether material is completely dried, needed for being solidified with every gram of adhesives
The curing rate of the material.
The beneficial effects of the present invention are: pure-acrylic emulsion and timber have good adhesive property, but its poor water resistance, organosilicon
It is good to the reinforcement performance of the soil body, hold while lumber support body and the soil body can be improved the water resistance of layer, but its outer viewing to the soil body
Sound is larger, holds layer with being used as due to the soil body and does not leak outside, and there is no need to consider that appearance effects, hydroxypropyl methyl cellulose have water conservation
Property, the change rate of size in drying and wetting can be reduced, mitigate dry and wet and collapse phenomenon.The composite material solve lumber support body with
A layer problem for cementability difference is held to the soil body, while improving weatherability.
Detailed description of the invention
Fig. 1 is the test of 1 sample moisture holding capacity of embodiment；
Fig. 2 sample water resistance test
The test of Fig. 3 sample stability
The test of Fig. 4 sample acid resistance
The test of Fig. 5 sample freeze-thaw resistance
Fig. 6 solidification front and back pattern
Fig. 7 sample curing rate variation diagram.
Specific embodiment
The present invention is further expalined with correlated performance test data below in conjunction with the specific preparation process of sample, but this
Invention is not limited to following embodiment.
It is pine that following embodiment, which tests timber used, and sawing at having a size of 3cm × 3cm × 1.5cm fritter, deposit by size
Experimental result is not influenced in slight error, and with its tangential section when experiment, tangential section is polished smooth with sand paper.Test loess used
Powder uses 60 mesh sieve to be sieved.
Its raw material composition includes pure-acrylic emulsion, ZL-T42M type organosilicon, hydroxypropyl methyl cellulose, wherein pure-acrylic emulsion
As main cementing material, ZL-T42M type organosilicon and hydroxypropyl methyl cellulose are as additive；Pure-acrylic emulsion is with water
Solvent, solids level concentration 50%；ZL-T42M type organosilicon is using ethyl alcohol as solvent, the volume of ZL-T42M type organosilicon and ethyl alcohol
Than for 1:4；Hydroxypropyl methyl cellulose takes water as a solvent, mass percent concentration 1%；Three is independently；Wherein use
When pure-acrylic emulsion aqueous solution and Gonak mixed solution is mixed to prepare with the volume ratio of 1:3-5:1, it is organic
The silicon solution later period is individually added dropwise.
Experimental method is mixed the following steps are included: measuring pure-acrylic emulsion with Gonak, is used
The mode for instiling and pressing carries out the bonding of native powder on wooden unit, then instil using certain density organic silicon solution straight
To complete infiltration, finally air-dry under field conditions (factors).Pure-acrylic emulsion, the hydroxypropyl methyl cellulose for investigating different volumes ratio are molten
Liquid, the bonding of organic silicon solution and consolidation effect, and then obtain most ratio of greater inequality.The selected pure-acrylic emulsion of this experiment and hydroxypropyl first
The volume ratio of base cellulose solution has 1:1,1:3,1:5,3:1,5:1, and organic silicon solution is with the above two mixed liquor volume ratios
1:1 immobilizes.
Embodiment 1
(1) moisture holding capacity
Fig. 1 is that control organic silicon solution content is constant, respectively with pure-acrylic emulsion and Gonak volume
Than the sample after being bonded, reinforced for the solution of five kinds of ratios of 1:1,1:3,1:5,3:1 and 5:1, and in deionized water
Pattern after impregnating for 24 hours.It can be seen that with the reduction of pure-acrylic emulsion volume ratio, the phenomenon that sample generates crack, is more serious, works as ratio
It is raised in the middle part of sample when reaching 1:5, phenomenon is slightly separated among the soil body and lumber support body, i.e. hollowing generates.
Sample quality weighing to front and back is impregnated, the water-holding capacity for obtaining five kinds of ratio samples see the table below, it is seen that water-holding capacity with
Degree of disease is directly proportional, and sample water-holding capacity is bigger, illustrates that moisture holding capacity is weaker, is more easy to produce crack disintegration.By testing number
According to that can obtain, in five kinds of ratios, the moisture holding capacity of the sample after being reinforced with 5:1 ratio bonding is best.
1 sample water-holding capacity result of table and pattern variation
| Ratio | Quality (g) before impregnating | Quality (g) after immersion | Water-holding capacity (%) | Phenomenon |
| 1:1 | 8.8960 | 10.3162 | 16.0 | Occur compared with large fracture |
| 1:3 | 9.1383 | 10.6704 | 16.8 | Occur compared with large fracture |
| 1:5 | 9.0609 | 10.6075 | 17.1 | Occur generating hollowing compared with large fracture |
| 3:1 | 9.5197 | 10.8445 | 13.9 | There is an imperceptible crack |
| 5:1 | 9.8014 | 10.9808 | 12.0 | It is intact |
(2) water resistance
Fig. 2 is that the pattern of the sample water resistance test after being bonded with five kinds of ratio adhesives changes, it is seen that 1:1,1:3 and
1:5 produces different degrees of crack and along with slight hollowing phenomenon, with increasing for cycle-index, crack and hollowing
Degree is more serious.
The water resistance of visible 1:1~1:5 is poor after 10 circulations, has produced crack when less than one cycle, and 10
The sample soil body of 1:3 and 1:5 is separated with timber after secondary circulation.The water resistance of the sample of 3:1~5:1 is preferable, wherein
The effect of 5:1 is best, and separation and crack phenomenon does not occur after 10 circulations.
Cycle-index that 2 sample of table is water-fast
(3) stability
Fig. 3 be sample be immersed in the pattern in 5% metabisulfite solution variation, it is seen that impregnate for 24 hours after sample with go from
Similar variation has occurred in the sample impregnated in sub- water, and the sample of tri- kinds of 1:1,1:3 and 1:5 bonding ratios all produces different journeys
There is hollowing phenomenon in the crack of degree at crack, and wherein the sample effect of 1:5 ratio bonding is worst, in the 5th circulation
The soil body thoroughly falls off from timber, and the sample of 3:1 and 5:1 ratio is intact, and stability is preferable.The visible ratio after 1 circulation
The salt crystallization being precipitated for the sample surfaces of 1:5 is most, and with the increase of pure-acrylic emulsion ratio, the sample surfaces that ratio is 5:1 are analysed
Salt crystallization out is minimum, this is because pure-acrylic emulsion plays good bonding effect in inside soil body and with the interface of timber, fills out
Internal void has been filled, the infiltration of solution is prevented.With increasing for cycle-index, the crystallization of sample surfaces gradually increases, this is
Due to the multiple crystallization of salting liquid and dilation, the hole of sample interior is caused to increase, increases salinity when impregnating next time
Into a possibility that.
Table 3 is the statistics of sample stability cycle-index, the stability of the sample by experiment discovery 3:1~5:1 ratio
Preferably, wherein the sample of 5:1 does not generate crack yet and is fallen off after 10 circulations, and there is only slight hollowing phenomenons, therefore, it is considered that
The sample stability of 5:1 is best.
3 sample of table stabilizes cycle-index
| Ratio | 1:1 | 1:3 | 1:5 | 3:1 | 5:1 |
| There is the cycle-index in crack | <1 | <1 | <1 | 6 | >10 |
| The cycle-index fallen off | 6 | 6 | 5 | 9 | >10 |
(4) acid resistance
Fig. 4 is that the pattern of sample acid resisting test changes, it is seen that sample soil body surface of the ratio in 1:1~1:3 produces
Different degrees of crackle presses lightly on the sample soil body and wooden branch of the discovery with the presence of hollowing phenomenon, after impregnating 10d in cracks
Support body is not fallen off, but the sample of 1:3~1:5 is slightly separated between the visible soil body and supporter in terms of side view, therefore
Under the acidic environment of long period, the sample soil body of 1:3~1:5 will certainly fall off from supporter for deducibility.
Table 4 is the statistical form of the acidproof time of the sample of different bonding ratio, and sample impregnates 10d not in an acidic solution
It falls off, then it is assumed that this sample acid resistance is good.From the above mentioned, it is believed that the bonding agent that use ratio is 3:1~5:1 carries out
The acid resistance of sample after stickup is excellent.
The acidproof time statistics of 4 sample of table
| Ratio | 1:1 | 1:3 | 1:5 | 3:1 | 5:1 |
| There is the time (d) in crack | <1 | <1 | <1 | >10 | >10 |
| The time (d) fallen off | >10 | >10 | >10 | >10 | >10 |
(5) freeze-thaw resistance
Fig. 5 be sample freeze thawing resistance 10 times circulation patterns variation, due to 1:1~1:3 ratio bonding sample water resistance compared with
Difference, therefore serious crack and hollowing phenomenon are produced in 1 Frozen-thawed cycled, the sample of 3:1 ratio bonding is followed at the 8th time
Soil body full wafer falls off when ring, but the soil body does not have crack phenomenon, and the sample of 5:1 ratio bonding does not have after 10 circulations to be fallen off and split
The phenomenon that seam, generates, but can be seen that the sample that the 5:1 ratio after recycling is bonded has very seriously at the soil/wooden interface 10 times from side view
Segregation phenomenon.
Table 5 is the statistics of sample freeze-thaw resistance cycle-index, can to sum up find that the sample of 3:1~5:1 ratio bonding is freeze proof
Melting property is preferable, and wherein the sample of 5:1 ratio bonding is optimal, and freeze thawing influences maximum, the soil body to sample soil/wooden interface adhesive effect
Easily integrally fall off from timber.
5 sample freeze thawing resistance cycle-index of table statistics
| Ratio | 1:1 | 1:3 | 1:5 | 3:1 | 5:1 |
| There is the cycle-index in crack | <1 | <1 | 2 | 8 | >10 |
| The cycle-index fallen off | 2 | 8 | 5 | 8 | >10 |
(6) curing time
Fig. 6 is the pattern variation before and after material solidification, is milky white solution before solidification, is almost transparent thin after solidification
Film.
Fig. 7 be five kinds of ratio adhesives curing rate, it can be seen that ratio be 1:1~5:1 when curing rate compared with
Fastly, curing rate when wherein ratio is 5:1 is most fast.
In conclusion using pure-acrylic emulsion, the complex material of ZL-T42M type organic silicon solution and hydroxypropyl methyl cellulose
To good Nian Jie and reinforcement effect is played between timber and the soil body, when 50% pure-acrylic emulsion and 1% hydroxypropyl methyl fiber
The volume ratio of plain solution be 5:1,25% organic silicon solution and both mixed solution with volume ratio be 1:1 when effect reach most
Good, the effect in terms of moisture holding capacity, water resistance, stability, acid resistance, freeze-thaw resistance and curing rate is excellent.
Claims (3)
1. a kind of adhesives for the wooden supporter of poster and loessland battle layer, which is characterized in that its raw material, which forms, includes
Pure-acrylic emulsion, ZL-T42M type organosilicon, hydroxypropyl methyl cellulose, wherein pure-acrylic emulsion is as main cementing material, ZL-
T42M type organosilicon and hydroxypropyl methyl cellulose are as additive；Pure-acrylic emulsion takes water as a solvent, solids level concentration 50%；
For ZL-T42M type organosilicon using ethyl alcohol as solvent, the volume ratio of ZL-T42M type organosilicon and ethyl alcohol is 1:4；Hydroxypropyl methyl fiber
Element takes water as a solvent, mass percent concentration 1%；Three is independently；Pure-acrylic emulsion aqueous solution and hydroxypropyl when used
Ylmethyl cellulose solution is mixed to prepare mixed solution with the volume ratio of 1:3-5:1, and the organic silicon solution later period is individually added dropwise.
2. a kind of adhesives for the wooden supporter of poster and loessland battle layer described in claim 1, which is characterized in that
The volume ratio 5:1 of pure-acrylic emulsion aqueous solution and Gonak.
3. a kind of adhesives for the wooden supporter of poster and loessland battle layer of any of claims 1 or 2 repairs poster
Method, which is characterized in that pure-acrylic emulsion aqueous solution is mixed with Gonak, on ground to be repaired
Above-mentioned mixed liquor is added dropwise between battle layer and wooden supporter, then carries out pressing and is bonded, it is again that ZL-T42M type is organic later
The ethanol solution of silicon is added drop-wise to holding after above-mentioned pressing bonds to ground to be repaired and carries out infiltration suction between layer and wooden supporter
It is attached, until infiltration completely, finally air-dries under field conditions (factors).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910214104.5A CN110079250A (en) | 2019-03-20 | 2019-03-20 | A method of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910214104.5A CN110079250A (en) | 2019-03-20 | 2019-03-20 | A method of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer |
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| CN110079250A true CN110079250A (en) | 2019-08-02 |
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| CN201910214104.5A Withdrawn CN110079250A (en) | 2019-03-20 | 2019-03-20 | A method of adhesives and reparation poster for the wooden supporter of poster and loessland battle layer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013023007A1 (en) * | 2011-08-08 | 2013-02-14 | Landec Corporation | Controlled, sustained release particles for treating seeds and plants |
| CN105295782A (en) * | 2015-10-30 | 2016-02-03 | 桂林市和鑫防水装饰材料有限公司 | Acrylic emulsion construction sealant |
| CN107245312A (en) * | 2017-06-26 | 2017-10-13 | 江苏国胶化学科技有限公司 | A kind of enhanced stone material gum |
| CN108751882A (en) * | 2018-07-10 | 2018-11-06 | 广东美涂士建材股份有限公司 | A kind of quick-dry type bi-component water-proof ceramic tile gum and preparation method thereof |
-
2019
- 2019-03-20 CN CN201910214104.5A patent/CN110079250A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013023007A1 (en) * | 2011-08-08 | 2013-02-14 | Landec Corporation | Controlled, sustained release particles for treating seeds and plants |
| CN105295782A (en) * | 2015-10-30 | 2016-02-03 | 桂林市和鑫防水装饰材料有限公司 | Acrylic emulsion construction sealant |
| CN107245312A (en) * | 2017-06-26 | 2017-10-13 | 江苏国胶化学科技有限公司 | A kind of enhanced stone material gum |
| CN108751882A (en) * | 2018-07-10 | 2018-11-06 | 广东美涂士建材股份有限公司 | A kind of quick-dry type bi-component water-proof ceramic tile gum and preparation method thereof |
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