CN117326805A - Glass mildew-proof isolation powder and preparation method and application thereof - Google Patents
Glass mildew-proof isolation powder and preparation method and application thereof Download PDFInfo
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- CN117326805A CN117326805A CN202311257053.7A CN202311257053A CN117326805A CN 117326805 A CN117326805 A CN 117326805A CN 202311257053 A CN202311257053 A CN 202311257053A CN 117326805 A CN117326805 A CN 117326805A
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- 239000011521 glass Substances 0.000 title claims abstract description 138
- 239000000843 powder Substances 0.000 title claims abstract description 89
- 238000002955 isolation Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 claims abstract description 33
- 235000010378 sodium ascorbate Nutrition 0.000 claims abstract description 33
- 229960005055 sodium ascorbate Drugs 0.000 claims abstract description 33
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 claims abstract description 33
- 229920002472 Starch Polymers 0.000 claims abstract description 30
- 235000019698 starch Nutrition 0.000 claims abstract description 30
- 239000008107 starch Substances 0.000 claims abstract description 30
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims abstract description 27
- 235000010241 potassium sorbate Nutrition 0.000 claims abstract description 27
- 239000004302 potassium sorbate Substances 0.000 claims abstract description 27
- 229940069338 potassium sorbate Drugs 0.000 claims abstract description 27
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004327 boric acid Substances 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims abstract description 15
- 230000002745 absorbent Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 13
- -1 organic acid salt Chemical class 0.000 claims abstract description 13
- 150000007524 organic acids Chemical class 0.000 claims abstract description 13
- 229940032147 starch Drugs 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 7
- 230000002421 anti-septic effect Effects 0.000 claims abstract description 5
- 239000003755 preservative agent Substances 0.000 claims abstract description 5
- 230000002335 preservative effect Effects 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 46
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 30
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 14
- 238000007873 sieving Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 13
- 239000001361 adipic acid Substances 0.000 claims description 10
- 235000011037 adipic acid Nutrition 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 30
- 230000002401 inhibitory effect Effects 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 230000002195 synergetic effect Effects 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 5
- 239000004135 Bone phosphate Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- 244000060011 Cocos nucifera Species 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013027 odor testing Methods 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- KYKFCSHPTAVNJD-UHFFFAOYSA-L sodium adipate Chemical compound [Na+].[Na+].[O-]C(=O)CCCCC([O-])=O KYKFCSHPTAVNJD-UHFFFAOYSA-L 0.000 description 1
- 239000001601 sodium adipate Substances 0.000 description 1
- 235000011049 sodium adipate Nutrition 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/02—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
- A01N37/04—Saturated carboxylic acids or thio analogues thereof; Derivatives thereof polybasic
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P3/00—Fungicides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application relates to a glass mildew-proof isolation powder and a preparation method thereof. The components of the glass mildew-proof isolating powder comprise: soluble starch, potassium sorbate, sodium ascorbate and antiseptic water absorbent; the preservative water absorbing agent comprises at least one of boric acid, a polybasic organic acid and a polybasic organic acid salt. The soluble starch can isolate and protect the surface of the glass, the potassium sorbate can play a role in inhibiting bacteria and mildew, the sodium ascorbate can inhibit the surface of the glass from being weathered, and the anti-corrosion water absorbent which is composed of at least one of boric acid, a multi-element organic acid and a multi-element organic acid salt can play a role in resisting corrosion of the surface of the glass, is favorable for absorbing moisture in air, prevents the moisture from being weathered on the surface of the glass, and further can form a synergistic effect with the sodium ascorbate, so that the effects of resisting oxidation, inhibiting the growth of mould and preventing the surface of the glass from being oxidized and weathered are enhanced.
Description
Technical Field
The application relates to the technical field of glass, in particular to a glass mildew-proof isolation powder and a preparation method and application thereof.
Background
During the process of contacting the glass with ambient air, the glass reacts with some chemical substances along with the change of ambient temperature and humidity, so that the glass is induced to generate mildew. In order to solve the problem of mildew of glass, mildew-proof isolating powder or isolating paper is paved on the surface of the glass for protection. The mildew-proof isolating powder has the advantages of low cost, mildew resistance, moisture resistance and the like, and compared with isolating paper, glass manufacturers tend to use the mildew-proof isolating powder.
In recent years, along with the increasing requirements of glass quality, higher requirements are also put forward on the glass mildew-proof isolating powder, and the requirements of the high-quality glass mildew-proof isolating powder cannot influence the transmittance of the glass, are easy to clean, and meet the requirements of environmental protection.
The traditional mildew-proof isolating powder on the market mainly comprises two types, namely acrylic resin glass mildew-proof isolating powder, wherein the toxicity is high, the environment-friendly policy requirement is not met, and wood powder/coconut shell glass mildew-proof isolating powder has high influence on the glass transmittance and is difficult to clean thoroughly, and the residual mildew-proof isolating powder is easy to cause bad deep processing coating of the glass.
Disclosure of Invention
Based on the above, the application provides the glass mildew-proof isolation powder which has good mildew-proof effect, small influence on the transmittance of glass, easy cleaning and environmental protection, and the preparation method and application thereof.
An embodiment of the application provides a glass mildew-proof isolation powder, which comprises the following components: soluble starch, potassium sorbate, sodium ascorbate and antiseptic water absorbent;
the preservative water absorbing agent comprises at least one of boric acid, a polybasic organic acid and a polybasic organic acid salt.
In one embodiment, the components include, in parts by weight:
40-60 parts of soluble starch,
0.05 to 0.5 part of potassium sorbate,
40-60 parts of the anti-corrosion water absorbing agent
0.05-0.3 parts of sodium ascorbate.
In one embodiment, the polybasic organic acid includes one or both of adipic acid and citric acid.
In one embodiment, the polybasic organic acid salt includes one or both of adipate and citrate.
In one embodiment, the glass mildew-proof spacer powder has a particle size of 30-250 mesh.
An embodiment of the present application further provides a method for preparing the glass mildew-proof isolation powder according to any one of the above embodiments, including the following steps:
mixing each of the components to form a mixture;
removing moisture from the mixture.
In one embodiment, the step of removing moisture from the mixture comprises:
and drying the mixture.
In one embodiment, the temperature of the drying is 85-95 ℃.
In one embodiment, before the step of removing moisture from the mixture, the method further comprises the steps of:
sieving the mixture with a 200-250 mesh sieve, and collecting oversize materials for removing water.
In one embodiment, prior to the step of forming the mixture, further comprising the steps of:
sieving the components respectively by a sieve with 30-50 meshes, and collecting undersize materials for mixing.
An embodiment of the application also provides application of the glass mildew-proof isolation powder in any embodiment in a glass mildew-proof isolation process.
The application provides a glass mildew-proof isolation powder, which comprises soluble starch, potassium sorbate, sodium ascorbate and a corrosion-proof water absorbent, wherein the corrosion-proof water absorbent comprises at least one of boric acid, a polybasic organic acid and a polybasic organic acid salt. The soluble starch can isolate and protect the surface of the glass, the potassium sorbate can play a role in inhibiting bacteria and mildew, the sodium ascorbate can inhibit the surface of the glass from being weathered, and the anti-corrosion water absorbent which is composed of at least one of boric acid, a multi-element organic acid and a multi-element organic acid salt can play a role in resisting corrosion of the surface of the glass, is favorable for absorbing moisture in air, prevents the moisture from being weathered on the surface of the glass, and further can form a synergistic effect with the sodium ascorbate, so that the effects of resisting oxidation, inhibiting the growth of mould and preventing the surface of the glass from being oxidized and weathered are enhanced. The mildew-proof glass isolation powder has small influence on transparency of glass, has good fluidity, is easy to dissolve in water, is convenient and thorough to clean, can reduce adverse effects on further deep processing of the glass caused by unclean cleaning, and is degradable in soluble starch, thereby meeting the environmental protection requirement.
Detailed Description
In order that the present application may be understood, a more complete description of the present application will be provided below in connection with the examples. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the present application, the technical features described in an open manner include a closed technical scheme composed of the listed features, and also include an open technical scheme including the listed features.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In the present application, reference is made to "plural", "multiple", etc., and, unless otherwise specified, the index is greater than or equal to 2 in number. For example, "one or more" means one kind or two or more kinds.
In this application, references to "a combination thereof", "any combination thereof", and the like include all suitable combinations of any two or more of the listed items.
In the present application, the term "suitable" refers to "suitable combination means", "suitable means", "any suitable means", and the like, so as to implement the technical solution of the present application, solve the technical problem of the present application, and achieve the technical effects expected in the present application.
In this application, references to "preferred," "better," "preferably," and "preferably" are merely descriptive of a better performing embodiment or example, and are to be understood as not limiting the scope of protection of the application.
In this application, references to "further," "still further," "particularly," etc. are used for descriptive purposes and are intended to indicate differences in content and are not to be construed as limiting the scope of the application.
In this application, references to "optionally", "optional" refer to the presence or absence of the possibility, i.e. to any one of two juxtaposed schemes, either "with" or "without". If multiple "alternatives" occur in a technical solution, if no particular description exists and there is no contradiction or mutual constraint, then each "alternative" is independent.
In this application, reference is made to a numerical interval (i.e., a numerical range), where the optional numerical distribution is considered continuous, and includes two numerical endpoints (i.e., a minimum value and a maximum value) of the numerical range, and each numerical value between the two numerical endpoints, unless otherwise indicated. Unless otherwise indicated, when a numerical range merely refers to integers within the numerical range, both end integers of the numerical range are included, as well as each integer between the two ends, herein, each integer is recited directly, such as t is an integer selected from 1-10, and t is any integer selected from the group of integers consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Further, when a plurality of range description features or characteristics are provided, these ranges may be combined. In other words, unless otherwise indicated, the ranges disclosed herein are to be understood to include any and all subranges subsumed therein.
The temperature parameter in the present application is not particularly limited, and may be a constant temperature treatment or may vary within a predetermined temperature range. It should be appreciated that the constant temperature process described allows the temperature to fluctuate within the accuracy of the instrument control. Allows for fluctuations within a range such as + -5 ℃, + -4 ℃, + -3 ℃, + -2 ℃, + -1 ℃.
An embodiment of the application provides a glass mildew-proof isolation powder, which comprises the following components: soluble starch, potassium sorbate, sodium ascorbate and antiseptic water absorbent;
the preservative water absorbing agent includes at least one of boric acid, a polybasic organic acid, and a polybasic organic acid salt.
The soluble starch has the characteristics of strong adhesion and strong particle mobility on glass, and the soluble starch is used as a main raw material of the glass mildew-proof isolating powder, so that a layer of isolating protective layer can be effectively formed on the surface of the glass. The potassium sorbate is added into the raw materials of the glass mildew-proof isolating powder, so that the glass mildew-proof isolating powder has the function of bacteriostasis and mildew prevention. Boric acid and/or polybasic organic acid and salt thereof are added into the raw materials of the glass mildew-proof isolating powder, so that the glass surface can be prevented from being corroded, moisture in the air can be absorbed, and the glass surface can be prevented from being weathered due to the moisture. The sodium ascorbate has good effect of inhibiting the weathering of the surface of the glass, and the boric acid and/or the polybasic organic acid salt are compounded with the sodium ascorbate to form a synergistic effect with the sodium ascorbate, so that the antioxidation effect of the glass is further enhanced, the biological mold has good effect of inhibiting the growth of the biological mold, and the oxidation and the weathering of moisture on the surface of the glass can be effectively prevented. The glass mildew-proof isolation powder has good mildew-proof and isolation effects, has good fluidity, does not influence glass transparency, is convenient to clean, is slightly soluble in cold water, is more soluble under boiling water conditions, has better degradation performance and easy cleaning performance than the traditional acrylic resin glass mildew-proof isolation powder, wood powder glass mildew-proof isolation powder and coconut shell glass mildew-proof isolation powder, can reduce adverse effects on subsequent deep processing of glass, and is more green and environment-friendly.
In one embodiment, the composition comprises, in parts by weight:
40-60 parts of soluble starch,
0.05 to 0.5 part of potassium sorbate,
40-60 parts of anti-corrosion water absorbent
0.05-0.3 parts of sodium ascorbate.
The soluble starch, potassium sorbate, anti-corrosion water absorbent, sodium ascorbate and the like in the glass mildew-proof isolating powder are compounded according to the weight parts in the specific ranges, so that better synergistic effect can be exerted among the raw materials, the product has better mildew-proof and isolating effects, is easier to clean thoroughly, and has smaller influence on the glass transmittance. It is understood that the weight parts of the soluble starch, potassium sorbate, the antiseptic water absorbent and the sodium ascorbate in the glass mildew-proof barrier powder can take any values in the above numerical ranges. For example, the weight parts of soluble starch may be, but are not limited to, 40 parts, 41 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 47 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 53 parts, 54 parts, 55 parts, 56 parts, 57 parts, 58 parts, 59 parts, 60 parts, and the like. For example, the weight parts of potassium sorbate can be, but are not limited to, 0.05 parts, 0.06 parts, 0.07 parts, 0.08 parts, 0.09 parts, 0.1 parts, 0.15 parts, 0.2 parts, 0.25 parts, 0.3 parts, 0.35 parts, 0.4 parts, 0.45 parts, 0.5 parts, and the like. For example, the weight parts of the preservative water absorbing agent may be, but are not limited to, 40 parts, 41 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 47 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 53 parts, 54 parts, 55 parts, 56 parts, 57 parts, 58 parts, 59 parts, 60 parts, and the like. For example, the weight parts of sodium ascorbate may be, but are not limited to, 0.05 parts, 0.06 parts, 0.07 parts, 0.08 parts, 0.09 parts, 0.1 parts, 0.15 parts, 0.2 parts, 0.25 parts, 0.3 parts, and the like.
In this application, a polybasic organic acid refers to a dibasic and higher organic acid, and may include, for example, but not limited to, one or more combinations of dibasic, tribasic, tetrabasic acids. Further, it may be one or both of dibasic acid and tribasic acid. Still further, it may be one or both of adipic acid and citric acid.
In the present application, a polybasic organic acid salt refers to a dibasic and higher organic acid salt, and may be, for example, but not limited to, one or more combinations of dibasic acid salts, tribasic acid salts, and tetrabasic acid salts. Further, it may be one or both of dibasic acid salt and tribasic acid salt. Still further, it may be one or both of adipate and citrate. It is understood that salts may be, for example, but not limited to, sodium salts, potassium salts, and the like.
In one embodiment, the glass mildew-proof spacer powder has a particle size of 30-250 mesh. The particle size of the glass mildew-proof isolating powder is proper, so that the scratch of the glass caused by overlarge granularity of the glass mildew-proof isolating powder can be prevented, the powder spreading uniformity can be improved, and meanwhile, the flying of the ultrafine mildew-proof powder can be prevented. It is understood that the particle size of the glass mold release powder may be, for example, but not limited to, 30 mesh, 40 mesh, 50 mesh, 60 mesh, 70 mesh, 80 mesh, 90 mesh, 100 mesh, 110 mesh, 120 mesh, 130 mesh, 140 mesh, 150 mesh, 160 mesh, 170 mesh, 180 mesh, 190 mesh, 200 mesh, 210 mesh, 220 mesh, 230 mesh, 240 mesh, 250 mesh, and the like. It will be appreciated that the particle size of each powder particle in the glass mildew resistant powder need not be of uniform size, but may be any combination of a plurality of different particle sizes. Preferably, the particle size of the glass mildew-proof isolation powder is 40-200 meshes.
An embodiment of the present application further provides a method for preparing the glass mildew-proof isolation powder in any one of the above embodiments, including the following steps:
mixing the components to form a mixture;
removing the moisture from the mixture.
According to the method, the glass mildew-proof isolation powder is prepared by taking soluble starch, potassium sorbate, sodium ascorbate and an anti-corrosion water absorbent as main raw materials and mixing the materials to remove water, wherein the soluble starch can isolate and protect the surface of the glass, the potassium sorbate can play a role in inhibiting bacteria and mildew, the sodium ascorbate can inhibit the weathering of the surface of the glass, and the anti-corrosion water absorbent consisting of at least one of boric acid, a polybasic organic acid and a polybasic organic acid salt can play a role in preventing the corrosion of the surface of the glass, is beneficial to absorbing the water in the air, prevents the weathering of the surface of the glass from being caused by the water, further can form a synergistic effect with the sodium ascorbate, and enhances the effects of resisting oxidation, inhibiting the growth of mold and preventing the oxidation and the weathering of the surface of the glass. The mildew-proof glass isolation powder prepared by the method has small influence on the transparency of glass, has good fluidity, is easy to dissolve in water, is convenient and thorough to clean, can reduce the adverse effect of unclean cleaning on further deep processing of the glass, and is degradable in soluble starch, thereby meeting the environmental protection requirement.
In one embodiment, the step of removing moisture from the mixture comprises:
and drying the mixture.
The moisture in the mixture can be quickly removed by drying, so that the mixture is quickly dried.
In one embodiment, the temperature of the drying is 85-95 ℃. The moisture in each component can be sufficiently dried at the temperature, so that the mildew-proof isolation powder is drier, has lower water content and better mildew-proof and isolation effects. It is understood that the temperature of the drying may be, for example, but not limited to, 85 ℃, 86 ℃, 87 ℃, 88 ℃, 89 ℃, 90 ℃, 91 ℃, 92 ℃, 93 ℃, 94 ℃, 95 ℃, and the like. Preferably, the temperature of the drying is 88-92 ℃. More preferably, the temperature of the drying is 90 ℃.
Further, the drying time is 10-14 hours. The drying time is long enough, so that the moisture in the mixture can be thoroughly removed as much as possible, the obtained glass mildew-proof isolation powder is drier, and the mildew-proof effect is better. It is understood that the time of drying may be, for example, but not limited to, 10 hours, 11 hours, 12 hours, 13 hours, 14 hours, and the like. Preferably, the drying time is 11-13 h. More preferably, the drying time is 12 hours. In one embodiment, prior to the step of removing moisture from the mixture, the method further comprises the steps of:
sieving the mixture with a 150-250 mesh sieve, and collecting the oversize product for removing water.
After mixing, the mixture is sieved by a sieve with 150-250 meshes, and the oversize materials in the mixture are collected for removing water, so that the glass mildew-proof isolation powder is prepared, the glass mildew-proof isolation powder can be ensured to have a certain proper particle size, is easy to uniformly lay, is easier to flow and clean, and can avoid dust flying caused by excessive fineness. It is understood that the number of screens through which the mixture is screened may be, for example, but not limited to, 150 mesh, 160 mesh, 170 mesh, 180 mesh, 190 mesh, 200 mesh, 210 mesh, 220 mesh, 230 mesh, 240 mesh, 250 mesh, and the like. Preferably, the mixture is sieved through a 180-220 mesh sieve. More preferably, the mixture is sieved through a 200 mesh screen.
In one embodiment, prior to the step of forming the mixture, further comprising the steps of:
sieving the components respectively with a sieve of 30-50 meshes, and collecting undersize materials for mixing.
Before mixing, the raw materials such as soluble starch, potassium sorbate, sodium ascorbate, anti-corrosion water absorbent and the like can be respectively sieved by a sieve with 30-50 meshes, so that the scratch of glass caused by overlarge granularity of the raw materials can be prevented, and the powder spreading uniformity can be improved. It is understood that the number of screens through which the components are individually screened may be, for example, but not limited to, 30 mesh, 40 mesh, 50 mesh, and the like. Preferably, the components are sieved through a sieve of 35-45 meshes respectively. More preferably, each component is separately sieved through a 40 mesh sieve.
The embodiment of the application also provides application of the glass mildew-proof isolation powder in any embodiment in a glass mildew-proof isolation process.
The glass mildew-proof isolating powder, the preparation method and the application thereof are further described in detail by specific examples. The following embodiments are more specific, and it is understood that in other embodiments, this is not limiting. In the following examples, the instruments, reagents and materials involved, unless otherwise specified, are conventional instruments, reagents and materials already known in the art and are commercially available. The experimental methods, detection methods, and the like in the examples described below are conventional experimental methods and detection methods known in the prior art unless otherwise specified.
Example 1
Weighing 55 parts of soluble starch, 44.5 parts of boric acid, 0.45 part of potassium sorbate and 0.05 part of sodium ascorbate by weight, sieving with a 40-mesh sieve respectively, collecting undersize products, mixing the undersize products and uniformly stirring to form a mixture, sieving the mixture with a 200-mesh sieve, collecting oversize products, and drying the oversize products at 90 ℃ for 12 hours to prepare the glass mildew-proof isolation powder.
Example 2
Weighing 48 parts of soluble starch, 34 parts of adipic acid, 17.65 parts of citric acid, 0.2 part of potassium sorbate and 0.15 part of sodium ascorbate by weight, sieving with a 40-mesh sieve respectively, collecting undersize products, mixing the undersize products and stirring uniformly to form a mixture, sieving the mixture with a 200-mesh sieve, collecting oversize products, and drying the oversize products at 90 ℃ for 12 hours to prepare the glass mildew-proof isolating powder.
Example 3
According to parts by weight, 42 parts of soluble starch, 30 parts of boric acid, 17.8 parts of adipic acid, 10 parts of citric acid, 0.1 part of potassium sorbate and 0.1 part of sodium ascorbate are weighed, respectively pass through a 40-mesh sieve, collect undersize products, mix and stir the undersize products uniformly to form a mixture, pass through a 200-mesh sieve, collect oversize products, and dry the oversize products at 90 ℃ for 12 hours, thus obtaining the glass mildew-proof isolation powder.
Example 4
According to the weight portions, 58 portions of soluble starch, 9.52 portions of boric acid, 24 portions of adipic acid, 8 portions of citric acid, 0.4 portion of potassium sorbate and 0.08 portion of sodium ascorbate are weighed, respectively sieved by a 40-mesh sieve, the undersize products are collected, mixed and stirred uniformly to form a mixture, the mixture is sieved by a 200-mesh sieve, the oversize products are collected, and the oversize products are dried for 12 hours at the temperature of 90 ℃ to prepare the glass mildew-proof isolation powder.
Example 5
According to weight portions, 45 portions of soluble starch, 5 portions of boric acid, 24 portions of adipic acid, 24 portions of citric acid, 0.65 portion of sodium adipate, 1 portion of sodium citrate, 0.1 portion of potassium sorbate and 0.25 portion of sodium ascorbate are weighed and respectively screened by a 40-mesh sieve, undersize products are collected, the undersize products are mixed and stirred uniformly to form a mixture, the mixture is screened by a 200-mesh sieve, oversize products are collected, and the oversize products are dried at 90 ℃ for 12 hours, so that the glass mildew-proof isolation powder is prepared.
Comparative example 1
A common glass mildew-proof isolating powder in the market is purchased, and the type of the glass mildew-proof isolating powder is acrylic resin type glass mildew-proof isolating powder.
Comparative example 2
The method comprises the steps of purchasing a common glass mildew-proof isolating powder in the market, wherein the type of the glass mildew-proof isolating powder is coconut shell type.
Comparative example 3
A common glass mildew-proof isolating powder in the market is purchased, and the type of the glass mildew-proof isolating powder is wood.
Comparative example 4
The difference compared to example 3 is that the soluble starch is replaced by an acrylic resin. Specifically:
according to parts by weight, 42 parts of acrylic resin, 30 parts of boric acid, 17.8 parts of adipic acid, 10 parts of citric acid, 0.1 part of potassium sorbate and 0.1 part of sodium ascorbate are weighed, respectively pass through a 40-mesh sieve, collect undersize products, mix and stir the undersize products uniformly to form a mixture, pass through a 200-mesh sieve, collect oversize products, and dry the oversize products at 90 ℃ for 12 hours, thus obtaining the glass mildew-proof isolation powder.
Comparative example 5
In comparison with example 2, the difference is that the total weight is unchanged and potassium sorbate and sodium ascorbate are absent. Specifically:
weighing 48 parts of soluble starch, 34 parts of adipic acid and 18 parts of citric acid, sieving with a 40-mesh sieve respectively, collecting undersize products, mixing the undersize products and stirring uniformly to form a mixture, sieving the mixture with a 200-mesh sieve, collecting oversize products, and drying the oversize products at 90 ℃ for 12 hours to prepare the glass mildew-proof isolation powder.
Comparative example 6
In comparison with example 3, the difference is that the total weight is unchanged and sodium ascorbate is absent. Specifically:
weighing 42 parts of soluble starch, 30 parts of boric acid, 17.8 parts of adipic acid, 10 parts of citric acid and 0.2 part of potassium sorbate, sieving with a 40-mesh sieve respectively, collecting undersize products, mixing and uniformly stirring the undersize products to form a mixture, sieving the mixture with a 200-mesh sieve, collecting oversize products, and drying the oversize products at 90 ℃ for 12 hours to prepare the glass mildew-proof isolation powder.
The glass mildew-proof barrier powders of examples 1 to 5 and comparative examples 1 to 6 were tested and compared for appearance, smell, granularity, mildew-proof effect, barrier effect, cleaning effect, and the like, and the test results are shown in table 1 below.
The appearance testing method comprises the following steps: the powder color and state of the glass mildew-proof barrier powder were visually examined.
Odor testing method: nasal smell, judging whether there is slight sour smell or other special smell.
The granularity testing method comprises the following steps: the glass mildew-proof isolating powder is screened by a screen mesh of 40 meshes and 200 meshes.
The mildew-proof effect testing method comprises the following steps: and (3) performing mildew prevention test on the glass in a constant temperature and humidity box, wherein the glass with the specification of 300mm is adopted, the number of the glass is 5 pieces/group, the glass is sandwiched with mildew prevention isolating powder, the test condition is 80 ℃, the glass is continuously operated for 72 hours at the humidity of 85%, the surface of the glass is free from weathering, and the result that the glass does not generate mildew is satisfactory.
The isolation effect testing method comprises the following steps: glass with the specification of 300 mm-300 mm is adopted, the surface is uniformly coated with the glass mildew-proof isolating powder, another piece of glass with the same size is overlapped, the pressure is applied (about 5 kg), the glass is ground for 30 times with the stroke of about 1cm, and the surface of the glass is not scratched, so that the result meets the requirements.
Cleaning effect: placing the glass sample after the isolation effect test at a water tap, and using tap water to perform surface flushing, wherein the cleaning effect, glass surface residues and cleaning liquid effect are visually detected, if residues exist on the glass surface, the glass deep processing is not facilitated, and poor coating is easily caused; if the cleaning liquid has solid particles, the environmental protection treatment requirement is higher, and the production cost is higher.
TABLE 1 test results of glass mildew-proof insulating powder Performance
From table 1, the glass mildew-proof isolation powder prepared in examples 1 to 5 has good appearance, smell, granularity, isolation effect, mildew-proof effect and cleaning effect mildew prevention. The three common glass mildew-proof isolating powders in comparative examples 1-3 all generate a small amount of residues after cleaning, and a certain amount of solid particles float in the cleaning solution, so that the transmittance of the glass per se is affected to a certain extent, the subsequent deep processing is affected, and the environment-friendly requirement is not met.
Comparative example 4 compared with example 3, the substitution of the soluble starch with the acrylic resin resulted in more residue after washing, and a certain amount of solid particles were floated in the washing liquid. Comparative example 5 does not contain potassium sorbate and sodium ascorbate, has a poor mold-proofing effect, and generates little residue after washing, as compared with example 2. Comparative example 6 does not contain sodium ascorbate, and a small amount of residue is generated after washing, as compared with example 3. If the components of the mildew-proof glass isolating powder are the combination of insoluble starch, potassium sorbate, sodium ascorbate and anti-corrosion water absorbent, the multiple good comprehensive effects of good mildew-proof effect, small influence on glass transmittance, easy cleaning, environmental protection and the like can not be achieved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. The mildew-proof glass isolation powder is characterized by comprising the following components: soluble starch, potassium sorbate, sodium ascorbate and antiseptic water absorbent;
the preservative water absorbing agent comprises at least one of boric acid, a polybasic organic acid and a polybasic organic acid salt.
2. The glass mildew resistant barrier powder according to claim 1, wherein the components comprise, in parts by weight:
40-60 parts of soluble starch,
0.05 to 0.5 part of potassium sorbate,
40-60 parts of the anti-corrosion water absorbing agent
0.05-0.3 parts of sodium ascorbate.
3. The glass mildew resistant barrier powder of claim 2, wherein the multi-component organic acid comprises one or both of adipic acid and citric acid; and/or
The polybasic organic acid salt comprises one or two of adipate and citrate.
4. The glass mildew-proof insulating powder according to claim 2, wherein the particle size of the glass mildew-proof insulating powder is 30-250 mesh.
5. A method for preparing the glass mildew-proof insulating powder according to any one of claims 1 to 4, comprising the following steps:
mixing each of the components to form a mixture;
removing moisture from the mixture.
6. The method of preparing a glass mildew resistant barrier powder according to claim 5, wherein the step of removing moisture from the mixture comprises:
and drying the mixture.
7. The method for preparing the glass mildew-proof insulating powder according to any one of claims 5 to 6, wherein the temperature of drying is 85 to 95 ℃.
8. The method for preparing a glass mildew resistant barrier powder according to any one of claims 5 to 6, further comprising the steps of, prior to the step of removing moisture from the mixture:
sieving the mixture with a 200-250 mesh sieve, and collecting oversize materials for removing water.
9. The method for preparing a glass mildew resistant barrier powder according to any one of claims 5 to 6, further comprising the steps of, prior to the step of forming the mixture:
sieving the components respectively by a sieve with 30-50 meshes, and collecting undersize materials for mixing.
10. The use of the glass mildew-proof insulating powder according to any one of claims 1 to 4 in a glass mildew-proof insulating process.
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