CN110184853B - Oil-absorbing paper and preparation method thereof - Google Patents
Oil-absorbing paper and preparation method thereof Download PDFInfo
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- CN110184853B CN110184853B CN201910414599.6A CN201910414599A CN110184853B CN 110184853 B CN110184853 B CN 110184853B CN 201910414599 A CN201910414599 A CN 201910414599A CN 110184853 B CN110184853 B CN 110184853B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses oil absorption paper and a preparation method thereof. The oil absorption paper comprises the following raw materials in parts by weight: plant fiber-based paper 100; 10-30 parts of styrene-acrylic copolymer; 0.5-3 parts of hydrophobic silica aerogel; 3-10 parts of talcum powder; 0.5-2.0 parts of dodecyl alcohol ester; 0.1-0.5 of alkyl glycoside; 0.5 of potassium sorbate; and a proper amount of essence. The method comprises the following steps: adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, essence and styrene-acrylic copolymer emulsion into a stirring disperser, and dispersing for 30-60 minutes for later use; then the raw materials are coated on plant fiber paper by a precise coating machine, and the plant fiber paper is dried by a drying channel with six temperature control areas of 80/100/120/150/100/80 ℃ and rolled to obtain the oil absorption paper prepared by the invention. The oil absorption paper provided by the invention has excellent oil absorption rate and lower water absorption rate.
Description
Technical Field
The invention belongs to the field of preparation of functional paper products; in particular to oil absorbing paper and a preparation method thereof.
Background
In the field of the preparation and application of functional paper products, oil-absorbing paper has been widely studied, prepared and applied for a long time. Generally classified into two main categories, industrial oil-absorbing paper and domestic oil-absorbing paper products according to their functionality; the research and application of oil absorption paper for industrial application mainly focuses on the fields of industrial product oil removal, industrial wastewater oil removal, natural environmental water area oil removal and the like; the domestic oil-absorbing paper product is mainly applied to the fields of kitchen oil-absorbing cleaning paper, food packaging oil-absorbing oil-separating paper products, facial oil-absorbing cleaning of people and the like. The invention relates to an oil absorption paper technology and application thereof, in particular to preparation of facial oil absorption cleaning paper in the field of living functional paper.
In the fields of beauty and skin care, oil absorption paper and oil absorption film are common auxiliary products for facial care, and are mainly used for absorbing and cleaning oily substances secreted by the facial skin of a human body so as to ensure that the skin is fresh and cool. There have been many studies on such oil absorbing paper according to the design of use requirements and technical fields, such as patents CN201721671827.0, CN201721673461.0, CN201711270536.5, CN201610690731.2, CN201611130917.9, CN201610741778.7, cn201110436623.x, CN201610770967.7, CN201611130917.9, cn201510514198.x, CN201310681933.7, etc., all are oil absorbing paper technologies developed by designing the structure and materials of paper products, and the oil absorbing function is realized by multi-layer structure design and functional classification; the patent CN201810364413.6, CN201610737323.8, CN201610741794.6 and CN00120630.3 are oil-absorbing papers developed by an integrated technology for assisting other skin-care and beauty-care functions. The two technologies are mainly characterized in that a vegetable fiber paper base material is used as a main oil absorption material, although vegetable fibers have good skin-friendly property, the oil absorption capacity of the oil absorption paper is limited, and excessive moisture on the face can be absorbed while the oil is absorbed; the technology of the invention is to use vegetable fiber paper as a base material and to prepare the oil absorption paper with water absorption/oil absorption balance by compounding with other high oil absorption materials, so that the facial grease of people can be absorbed and cleaned without excessively carrying away water.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide oil absorbing paper and a preparation method thereof.
The oil absorption paper provided by the invention is prepared by compounding plant fiber paper serving as a base material and other oil absorption materials as auxiliary materials; is suitable for cleaning oily substances secreted by the facial skin of people so as to ensure that the skin is fresh and cool, and is convenient and quick to use.
The purpose of the invention is realized by at least one of the following technical solutions.
The invention provides a preparation method of oil absorption paper, which comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside (APG), potassium sorbate, dodecyl alcohol ester, essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser for mixing, and performing high-speed dispersion at high speed of 1500-;
(2) and (2) coating the mixed solution obtained in the step (1) on plant fiber paper through a precision coating machine, then drying, and rolling to obtain the oil absorbing paper.
Furthermore, according to the parts by weight,
further, the aperture size of the hydrophobic silica aerogel in the step (1) is 60-100nm, and the mesh number of the hydrophobic silica aerogel is not less than 5000 meshes.
Preferably, the hydrophobic silica aerogel is hydrophobic silica aerogel powder produced by Guangdong Erishenghigh-tech, New technology, Inc., and is a product which is subjected to surface activation treatment and pre-dispersion by Wancapacity, New technology, Inc., Guangzhou city.
Further, the styrene-acrylic copolymer emulsion (styrene-acrylic emulsion) is a copolymer of styrene and acrylic acid.
Further, the talcum powder in the step (1) is cosmetic grade talcum powder, and the mesh number of the talcum powder is more than or equal to 5000 meshes.
Further, the alkyl glycoside (APG) in step (1) is one of APG0810, APG1214, APG0814, APG0816, and APG 1216. The alkyl glycoside (APG) is a green, environment-friendly and mild surfactant, and has the characteristics of good safety, mildness, detergency, compatibility, no stimulation, easy biodegradation and the like. The alkyl glycosides (APG) are commonly used in products such as skin cleansing and facial cleansing.
Further, the essence in the step (1) is a cosmetic grade essence, and the essence is flower-type essence or fruit-type essence; the flower-type essence comprises rose essence, jasmine essence and the like; the fruit flavor essence comprises cucumber essence, lemon essence, passion fruit essence and the like.
Further, the styrene-acrylic copolymer in the step (1) is butyl acrylate-methyl methacrylate-styrene copolymer emulsion resin; wherein, by weight ratio, butyl acrylate: methyl methacrylate: styrene is 10: 1.2: 1.5; the saturated oil absorption rate of the styrene-acrylic copolymer is more than or equal to 12g/g (petroleum ether: boiling range 60-90 ℃).
Further, the dodecyl alcohol ester in the step (1) is a film-forming aid of the styrene-acrylic copolymer.
Further, the potassium sorbate in step (1) is a safe preservative, and is commonly used in foods and cosmetics.
Further, the stirring treatment rate in the step (1) is 1500-.
Further, in the step (2), the coating amount of the mixed solution is 14.6-46% by dry weight of the plant fiber paper.
Further, the plant fiber paper in the step (2) is paper prepared by mixing fibrilia and wood fiber; wherein, the weight portion of the fibrilia is 50 to 100 portions, and the weight portion of the wood fiber is 50 to 0 portion; the gram weight GSM of the plant fiber paper is 18-30g/m2。
Further, the drying treatment in the step (2) is drying through a drying tunnel with six temperature control zones of 80/100/120/150/100/80 ℃.
The invention provides oil absorption paper prepared by the preparation method.
The saturated oil absorption rate of the oil absorption paper prepared by the invention is more than or equal to 35g/m2(Petroleum ether: boiling range 60-90 ℃); the water absorption is less than or equal to 10g/m2Has high oil absorption and low water absorption.
Compared with the prior art, the invention has the following advantages and beneficial effects:
compared with the existing similar products, the oil absorption paper prepared by the invention has excellent oil absorption performance and low water absorption, can fully absorb excessive grease on the skin and can not take away excessive moisture when in use, and ensures that the skin is clean and does not lose water.
Detailed Description
The following examples are presented to further illustrate the practice of the invention, but the practice and protection of the invention is not limited thereto. It is noted that the processes described below, if not specifically described in detail, are all realizable or understandable by those skilled in the art with reference to the prior art. The reagents or apparatus used are not indicated to the manufacturer, and are considered to be conventional products available by commercial purchase.
The weight (mass) parts used in the following examples and comparative examples may be given by way of example in the form of grams, kilograms, etc., or may be any other amount commonly used in the art.
Example 1
The preparation method of the oil absorption paper comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, rose essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser, stirring at the speed of 1500rpm for 60min to obtain a mixed solution, wherein the mixed solution comprises the following components in parts by weight shown in table 1;
(2) coating the mixed solution obtained in the step (1) on plant fiber paper through a precision coating machine, wherein the plant fiber paper is prepared by mixing fibrilia and wood fiber, the mass ratio of the fibrilia to the wood fiber is 1:1, and the gram weight GSM of the plant fiber paper is 18g/m2) And then drying (drying through a drying channel with six temperature control regions of 80/100/120/150/100/80 ℃) after the coating amount (dry weight) is 14.6% of the vegetable fiber paper (the dry weight of the mixed solution coated on the fiber paper is 14.6% of the mass of the vegetable fiber paper), and rolling to obtain the oil absorbing paper. The basic properties of the oil absorbing paper obtained in example 1 are shown in table 2 below.
TABLE 1
TABLE 2
| Item | Measured value |
| GSM(g/m2) | 20.65 |
| Saturated oil absorption (g/m)2) | 37.03 |
| Water absorption (g/m)2) | 8.91 |
Note: the saturated oil absorption rate test method comprises the following steps: soaking oil absorption paper with unit area (5x5cm) in petroleum ether with boiling range of 60-90 deg.C for 30min, taking out, suspending until no dripping and leakage, and suspending for 15 min; the weight before and after oil absorption was weighed out respectively, and the weight difference was calculated, and the number of samples tested was not less than 5 (6 tested in example 1), and the results were averaged. Secondly, a water absorption testing method comprises the following steps: taking the unit area (5x5cm) of the oil absorption paper to be soaked in distilled water for 10 minutes, taking the oil absorption paper out, hanging the oil absorption paper until no water drops leak, weighing the sample 3 minutes after the water drops leak, respectively weighing the weight before water absorption and the weight after water absorption, then calculating the weight difference, testing at least 5 samples (testing 6 samples in example 1), and averaging the results to obtain the following results.
Example 2
The preparation method of the oil absorption paper comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, jasmine essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser, stirring at the speed of 2000rpm for 30min to obtain a mixed solution, wherein the mixed solution comprises the following components in parts by weight shown in Table 3;
(2) coating the mixed solution obtained in the step (1) on plant fiber paper (the plant fiber paper is made of fibrilia only, and the gram weight GSM of the plant fiber paper is 20 g/m)2) And coating the paper with 46 percent of the vegetable fiber paper (the dry weight of the mixed solution coated on the fiber paper is 46 percent of the mass of the vegetable fiber paper), drying (drying by a drying channel with six temperature control zones of 80/100/120/150/100/80 ℃) and rolling to obtain the oil absorption paper. The basic properties of the oil absorbing paper obtained in example 2 are shown in table 4 below.
TABLE 3
TABLE 4
| Item | Measured value |
| GSM(g/m2) | 29.25 |
| Saturated oil absorption (g/m)2) | 117.9 |
| Water absorption (g/m)2) | 9.50 |
Example 3
The preparation method of the oil absorption paper comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, lemon essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser, stirring at the speed of 1800rpm for 40min to obtain a mixed solution, and uniformly mixing to obtain a mixed solution, wherein the weight parts of the components of the mixed solution are shown in the following table 5;
(2) coating the mixed solution obtained in the step (1) on plant fiber paper through a precision coating machine, wherein the plant fiber paper is prepared by mixing fibrilia and wood fiber, the mass ratio of the fibrilia to the wood fiber is 70: 30, and the gram weight GSM of the plant fiber paper is 30g/m2) And coating the paper with the coating amount (dry weight) of 23.8% of the vegetable fiber paper (the dry weight of the mixed solution coated on the fiber paper is 23.8% of the mass of the vegetable fiber paper), drying (drying through a drying channel with six temperature control zones of 80/100/120/150/100/80 ℃) and rolling to obtain the oil absorption paper. The basic properties of the oil absorbing paper obtained in example 3 are shown in table 6 below.
TABLE 5
TABLE 6
| Item | Measured value |
| GSM(g/m2) | 37.11 |
| Saturated oil absorption (g/m)2) | 86.6 |
| Water absorption (g/m)2) | 8.23 |
Example 4
The preparation method of the oil absorption paper comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, passion fruit essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser, stirring at 1600rpm for 50min to obtain a mixed solution, wherein the mixed solution comprises the following components in parts by weight shown in Table 7;
(2) coating the mixed solution obtained in the step (1) on plant fiber paper through a precision coating machine, wherein the plant fiber paper is prepared by mixing fibrilia and wood fiber, the mass ratio of the fibrilia to the wood fiber is 60: 40, and the gram weight GSM of the plant fiber paper is 22g/m2) And coating the paper with the coating amount (dry weight) of 30.7% of the vegetable fiber paper (the dry weight of the mixed solution coated on the fiber paper is 30.7% of the mass of the vegetable fiber paper), drying (drying through a drying channel with six temperature control regions of 80/100/120/150/100/80 ℃) and rolling to obtain the oil absorption paper. The basic properties of the oil absorbing paper obtained in example 4 are shown in table 8 below.
TABLE 7
TABLE 8
| Item | Measured value |
| GSM(g/m2) | 28.86 |
| Saturated oil absorption (g/m)2) | 73.5 |
| Water absorption (g/m)2) | 8.12 |
Example 5
The preparation method of the oil absorption paper comprises the following steps:
(1) adding hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, cucumber essence and styrene-acrylic copolymer emulsion into a high-speed stirring disperser, stirring at the speed of 1500rpm for 35min to obtain a mixed solution, wherein the mixed solution comprises the following components in parts by weight as shown in Table 9;
(2) coating the mixed solution obtained in the step (1) on plant fiber paper through a precision coating machine, wherein the plant fiber paper is prepared by mixing fibrilia and wood fiber, the mass ratio of the fibrilia to the wood fiber is 80: 20, and the gram weight GSM of the plant fiber paper is 25g/m2) And then drying (drying through a drying channel with six temperature control regions of 80/100/120/150/100/80 ℃) after the coating amount (dry weight) is 25.3 percent of the weight of the plant fiber paper (the dry weight of the mixed solution coated on the fiber paper is 25.3 percent of the weight of the plant fiber paper), and rolling to obtain the oil absorbing paper. The basic properties of the oil absorbing paper obtained in example 5 are shown in table 10 below.
TABLE 9
Watch 10
| Item | Measured value |
| GSM(g/m2) | 31.47 |
| Saturated oil absorption (g/m)2) | 82.9 |
| Water absorption (g/m)2) | 7.66 |
The oil absorption paper prepared by the invention has excellent oil absorption performance and low water absorption, can fully absorb excessive grease on the skin and can not take away excessive moisture when in use, and ensures that the skin is clean without losing water.
The above examples are only preferred embodiments of the present invention, which are intended to be illustrative and not limiting, and those skilled in the art should understand that they can make various changes, substitutions and alterations without departing from the spirit and scope of the invention.
Claims (8)
1. The preparation method of the oil absorption paper is suitable for cleaning oily substances secreted by the facial skin of people, and is characterized by comprising the following steps:
(1) mixing hydrophobic silica aerogel, talcum powder, alkyl glycoside, potassium sorbate, dodecyl alcohol ester, essence and styrene-acrylic copolymer emulsion, and stirring to obtain a mixed solution; according to the parts by weight, the weight percentage of the raw materials,
100 parts of plant fiber paper;
10-30 parts of styrene-acrylic copolymer emulsion;
0.5-3 parts of hydrophobic silica aerogel;
3-10 parts of talcum powder;
0.5-2.0 parts of dodecyl alcohol ester;
0.1-0.5 part of alkyl glycoside;
0.5 part of potassium sorbate;
a proper amount of essence; the pore size of the hydrophobic silica aerogel is 60-100nm, and the mesh number of the hydrophobic silica aerogel is not less than 5000 meshes; the talcum powder is cosmetic grade talcum powder, and the mesh number of the talcum powder is more than or equal to 5000 meshes; the styrene-acrylic copolymer is butyl acrylate-methyl methacrylate-styrene copolymer emulsion resin, and the saturated oil absorption rate of the styrene-acrylic copolymer is more than or equal to 12 g/g;
(2) and (2) coating the mixed solution obtained in the step (1) on plant fiber paper, and then drying to obtain the oil-absorbing paper.
2. The method according to claim 1, wherein the alkyl glycoside of step (1) is one of APG0810, APG1214, APG0814, APG0816, and APG 1216; the essence is cosmetic grade essence, and the essence is flower-type essence or fruit-type essence; the flower-type essence comprises rose essence and jasmine essence; the fruit flavor essence comprises cucumber essence, lemon essence and passion fruit essence.
3. The production method according to claim 1, wherein in the styrene-acrylic copolymer of the step (1), the ratio by mass of butyl acrylate: methyl methacrylate: styrene is 10: 1.2: 1.5; the dodecyl alcohol ester is a film-forming aid of the styrene-acrylic copolymer.
4. The method as claimed in claim 1, wherein the stirring treatment in step (1) is performed at a rate of 1500-2000rpm for 30-60 minutes.
5. The production method according to claim 1, wherein in the step (2), the amount of the mixed solution applied is 14.6 to 46% by dry weight based on the mass of the plant fiber-based paper.
6. The method according to claim 1, wherein the plant fiber paper in the step (2) is paper prepared by mixing hemp fiber and wood fiber; wherein, the weight portion of the fibrilia is 50 to 100 portions, and the weight portion of the wood fiber is 50 to 0 portion; the gram weight GSM of the plant fiber paper is 18-30g/m2。
7. The preparation method according to claim 1, wherein the drying treatment in the step (2) is drying by a six-zone temperature-controlled drying tunnel at 80/100/120/150/100/80 ℃.
8. An oil-absorbing paper obtained by the production method according to any one of claims 1 to 7.
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| CN113818282A (en) * | 2021-08-29 | 2021-12-21 | 林钧翔 | Facial oil absorption paper and preparation method thereof |
| CN114045703A (en) * | 2021-11-10 | 2022-02-15 | 衢州学院 | Preparation process of oil absorption paper for removing dirt of hot pot |
| CN114045704A (en) * | 2021-11-10 | 2022-02-15 | 衢州学院 | Coating process of facial oil absorption paper for makeup |
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