CN110372806A - A kind of emgloves interleaving agent converted starch - Google Patents
A kind of emgloves interleaving agent converted starch Download PDFInfo
- Publication number
- CN110372806A CN110372806A CN201910692210.4A CN201910692210A CN110372806A CN 110372806 A CN110372806 A CN 110372806A CN 201910692210 A CN201910692210 A CN 201910692210A CN 110372806 A CN110372806 A CN 110372806A
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- Prior art keywords
- added
- emgloves
- converted starch
- starch
- interleaving agent
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/0055—Plastic or rubber gloves
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
- C08B31/185—Derivatives of oxidised starch, e.g. crosslinked oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09D103/04—Starch derivatives
- C09D103/10—Oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2400/00—Functions or special features of garments
- A41D2400/80—Friction or grip reinforcement
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2500/00—Materials for garments
- A41D2500/50—Synthetic resins or rubbers
- A41D2500/54—Synthetic resins or rubbers in coated form
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Plant Pathology (AREA)
- Textile Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a kind of emgloves interleaving agent converted starches, tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed after hydrogen peroxide stirring half an hour is added, and it is 11.5-12 that dilute caustic soda, which is added, and adjusts pH, temperature is adjusted to 40-45 degrees Celsius, then epoxychloropropane is added, reacts 12-24 hours, is cooled to 30 degrees Celsius later, phosphorus oxychloride is added, maintains original ph；Addition diluted acid tune pH is 8.0-8.5, and octenyl succinic acid anhydride is added, and reacts 2-3h, MgO is added after eddy flow washing, dehydrates.Converted starch produced by the present invention is resistant to high temperatures, and 150 degrees Celsius are not glued, and the wearability, slickness, hydrophobicity of gloves can be improved for medical gloves, and nontoxic, is not likely to produce bacterium mould, content of microorganisms is low.
Description
Technical field
The present invention relates to starch processing technique field, specifically a kind of emgloves interleaving agent converted starch.
Background technique
Emgloves mostly uses converted starch to substitute talcum powder as interleaving agent at present, and interleaving agent is several using converted starch
People will not be made allergic reaction occur, and the nontoxic use of converted starch is also safer.Patent of invention
CN201711390616.4 (prior art 1) discloses a kind of preparation method of emgloves interleaving agent converted starch, including
Following steps: by starch after aoxidizing, being added crosslinking agent and carry out cross-linking reaction, carries out to the mixed liquor that cross-linking reaction obtains secondary
Oxidation, obtains converted starch.According to the preparation method of above-described embodiment, due to the egg on the starch granules of oxidation reaction hydrolysis twice
White matter can more sufficiently crosslink reaction, to obtain the high converted starch of the degree of cross linking so that starch molecule sufficiently exposes.
Although the converted starch degree of cross linking obtained by this method is high, bactericidal effect is not ideal enough.
Summary of the invention
To solve the above problems, the object of the present invention is to provide a kind of emgloves interleaving agent converted starches.
The present invention to achieve the above object, a kind of emgloves interleaving agent converted starch, comprising the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed addition hydrogen peroxide and stirs
Mix half an hour；
Step 2: it is 11.5-12 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 40-45 DEG C, epoxy chloropropionate is then added
Alkane reacts 12-24 hours；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintenance pH is 11.5-12；
Step 4: it is 8.0-8.5 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 2-3h；
Step 5: MgO is added after last eddy flow washing, dehydrate.
Converted starch produced by the present invention is resistant to high temperatures, and 150 degrees Celsius are not glued, and the wear-resisting of gloves can be improved for medical gloves
Property, slickness, hydrophobicity, and it is nontoxic, it is not likely to produce bacterium mould, content of microorganisms is low.
Specific embodiment
Embodiment 1
A kind of emgloves interleaving agent converted starch, comprising the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed addition hydrogen peroxide and stirs
Mix half an hour；
Step 2: it is 12 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 45 DEG C, and epoxychloropropane, reaction 18 is then added
Hour；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintaining pH is 12, i.e., is consistent with step 2 pH；
Step 4: it is 8.0 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 3h；
Step 5: MgO is added after last eddy flow washing, dehydrate.
Embodiment 2
A kind of emgloves interleaving agent converted starch, comprising the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed addition hydrogen peroxide and stirs
Mix half an hour；
Step 2: it is 11.5 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 40 DEG C, and epoxychloropropane is then added, and reacts
18 hours；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintaining pH is 11.5；
Step 4: it is 8.5 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 3h；
Step 5: MgO is added after last eddy flow washing, dehydrate.
Embodiment 3
A kind of emgloves interleaving agent converted starch, comprising the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed addition hydrogen peroxide and stirs
Mix half an hour；
Step 2: it is 12 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 45 DEG C, and epoxychloropropane, reaction 12 is then added
Hour；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintaining pH is 12；
Step 4: it is 8.0 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 2h；
Step 5: MgO, dehydration and drying dress are added after last eddy flow washing.
Embodiment 4
A kind of emgloves interleaving agent converted starch, comprising the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed addition hydrogen peroxide and stirs
Mix half an hour；
Step 2: it is 11.5 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 45 DEG C, and epoxychloropropane is then added, and reacts
12 hours；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintaining pH is 11.5；
Step 4: it is 8.5 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 2h；Step 5: last eddy flow is washed
MgO is added after washing, dehydrates.
Test case
Emgloves is buying for testing, the specific raw material composition and processing method of emgloves are as follows: natural emulsion 100
Part, 1.2 parts of sulphur, 1.5 parts of zinc oxide, 1.5 parts of promotor, 1.0 parts of antioxidant, 1.8 parts of dispersing agent.
(1) by the sulphur of formula ratio, zinc oxide, promotor, antioxidant, dispersing agent in 30~50 parts of deionized water into
Row grinding distribution；
(2) natural emulsion is added in the dispersion liquid obtained to step (1)；
(3) adjust latex solid content to 40% to get dipping latex；
(4) glove mould is impregnated into coagulator first, it is then 2 minutes dry at 120 DEG C；
(5) it by the Dipped latex again of glove mould described in step (4), immerses 15 seconds；
(6) glove mould described in step (5) is 30 minutes dry at 130 DEG C, so that latex is shaped to glove bulk；
(7) immersing glove bulk described in step (6) in starch pond makes its surface be stained with starch；
(8) gloves described in step (7) are removed from mold, are reversed the gloves face impregnated of starch water inwardly,
It gets product.
Test method:
1. the weight of gloves, flicking GB7543-96 regulation are manually examined in the case where about one times of expansion by only glue film is inflated
It looks into.Wrist oral area position is available to pull the method (referring to that portion does not expand generally) for stretching expansion, such as find it is defective, can be one times in differentially expanding
It is checked.
2. length (total length of middle finger tip to wrist mouth vertical direction) and width (the 1/ of perimeter at thumb root palm of gloves
2) it measures, is to flatten product, measured with mm graduated scale.
3. thickness is that the rubber thickness meter for being 0.01mm with indexing measures bilayer thickness, then calculates thickness in monolayer.Measure position
Set finger portion (away from middle finger top 10mm or so), 3 metacarpus (at nearly center), wrist (away from side 25mm or so) points take its arithmetic average
Value, but the thickness of thinnest part cannot be less than the 1/2 of thickness thickness.
The test method of gloves physical mechanical property is provided to execute by following standards.
HG4-874-84 " the general requirement of latex product physical mechanical property test "
HG4-875-84 " latex product Erichsen test method "
HG4-876-84 " latex product test method "
GB/T14831-93 " latex product steam aging testing method "
Experiment sampling object is emgloves made from test case formula and method, the difference is that: sample 1 infiltrates
It is conventional wheat starch, sample 2 is the converted starch that the prior art 1 (i.e. patent of invention CN201711390616.4) is obtained,
Sample 3 is the converted starch that embodiment 1 obtains, and sample 4 is the converted starch that embodiment 2 obtains, and sample 5 is that embodiment 3 obtains
Converted starch, sample 6 is the obtained converted starch of embodiment 4.
Experimental unit: Xingmao Corn Development Co., Ltd., Zhucheng (emerging Road 64 in Weifang City, Shandong Province, the town Xin Xing, Zhucheng
Number).
The physical performance index measured is as follows:
In addition sample 1-6 antibiotic rate is respectively as follows: 54%, 56%, 96%, 94%, 93%, 90%.
By being tested above it can be concluded that converted starch and converted starch of the invention using the prior art 1 can make cream
The physical property of Rubber gloves is strengthened, and effect of the present invention is more excellent, but in antibiosis, effect of the present invention is especially prominent
Out.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (4)
1. a kind of emgloves interleaving agent converted starch, which comprises the following steps:
Step 1: tapioca is mixed with water, the mass ratio of starch and water is 2:3, is uniformly mixed and hydrogen peroxide stirring half is added
Hour；
Step 2: it is 11.5-12 that dilute caustic soda, which is added, to adjust pH, temperature is adjusted to 40-45 DEG C, epoxychloropropane is then added, instead
It answers 12-24 hours；
Step 3: being cooled to 30 DEG C, phosphorus oxychloride is added, maintenance pH is 11.5-12；
Step 4: it is 8.0-8.5 that diluted acid tune pH, which is added, octenyl succinic acid anhydride is added, reacts 2-3h；
Step 5: MgO is added after last eddy flow washing, dehydrate.
2. a kind of emgloves interleaving agent converted starch as described in claim 1, it is characterised in that: be added in step 2 dilute
It is 12 that caustic soda, which adjusts pH, and temperature is adjusted to 45 DEG C, is added epichlorohydrin reaction 18 hours.
3. a kind of emgloves interleaving agent converted starch as described in claim 1, it is characterised in that: three are added in step 3
Chlorethoxyfos, maintaining pH is 12.
4. a kind of emgloves interleaving agent converted starch as described in claim 1, it is characterised in that: be added in step 4 dilute
It is 8.0 that acid, which adjusts pH, and octenyl succinic acid anhydride is added, reacts 3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692210.4A CN110372806A (en) | 2019-07-30 | 2019-07-30 | A kind of emgloves interleaving agent converted starch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692210.4A CN110372806A (en) | 2019-07-30 | 2019-07-30 | A kind of emgloves interleaving agent converted starch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110372806A true CN110372806A (en) | 2019-10-25 |
Family
ID=68256876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692210.4A Pending CN110372806A (en) | 2019-07-30 | 2019-07-30 | A kind of emgloves interleaving agent converted starch |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1070086A1 (en) * | 1998-02-11 | 2001-01-24 | Buna Sow Leuna Olefinverbund GmbH | Method for producing starch esters |
| DE69704885D1 (en) * | 1996-01-23 | 2001-06-28 | Roquette Freres | Composition and method for gluing flat structures |
| CN101407552A (en) * | 2008-11-27 | 2009-04-15 | 诸城兴贸玉米开发有限公司 | Technique for producing low viscosity octenylsuccinate starch by oxidation process |
| KR20120068604A (en) * | 2010-12-17 | 2012-06-27 | 주식회사 삼양제넥스 | Amphoteric starch and method of preparing the same |
| CN103524631A (en) * | 2012-07-05 | 2014-01-22 | 广西和生生物科技有限公司 | Preparation method of special modified starch for toilet powder |
| CN106699910A (en) * | 2016-12-16 | 2017-05-24 | 天峨县全盛蜂业科技有限公司 | Preparation method of corn denatured starch |
| CN108409875A (en) * | 2018-03-27 | 2018-08-17 | 诸城兴贸玉米开发有限公司 | A kind of converted starch and its production technology for face moisture-keeping emulsifiable paste |
-
2019
- 2019-07-30 CN CN201910692210.4A patent/CN110372806A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69704885D1 (en) * | 1996-01-23 | 2001-06-28 | Roquette Freres | Composition and method for gluing flat structures |
| EP1070086A1 (en) * | 1998-02-11 | 2001-01-24 | Buna Sow Leuna Olefinverbund GmbH | Method for producing starch esters |
| CN101407552A (en) * | 2008-11-27 | 2009-04-15 | 诸城兴贸玉米开发有限公司 | Technique for producing low viscosity octenylsuccinate starch by oxidation process |
| KR20120068604A (en) * | 2010-12-17 | 2012-06-27 | 주식회사 삼양제넥스 | Amphoteric starch and method of preparing the same |
| CN103524631A (en) * | 2012-07-05 | 2014-01-22 | 广西和生生物科技有限公司 | Preparation method of special modified starch for toilet powder |
| CN106699910A (en) * | 2016-12-16 | 2017-05-24 | 天峨县全盛蜂业科技有限公司 | Preparation method of corn denatured starch |
| CN108409875A (en) * | 2018-03-27 | 2018-08-17 | 诸城兴贸玉米开发有限公司 | A kind of converted starch and its production technology for face moisture-keeping emulsifiable paste |
Non-Patent Citations (2)
| Title |
|---|
| 何小维 主编: "《碳水化合物功能材料》", 31 January 2007, 中国轻工业出版社 * |
| 施能浦 主编: "《粮油产品加工新技术与营销》", 30 April 2011, 金盾出版社 * |
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Application publication date: 20191025 |
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