CN114181475A - Stable fluorescent whitening agent for PVC and plant fibers and preparation method thereof - Google Patents
Stable fluorescent whitening agent for PVC and plant fibers and preparation method thereof Download PDFInfo
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- CN114181475A CN114181475A CN202111482467.0A CN202111482467A CN114181475A CN 114181475 A CN114181475 A CN 114181475A CN 202111482467 A CN202111482467 A CN 202111482467A CN 114181475 A CN114181475 A CN 114181475A
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- fluorescent whitening
- pvc
- whitening agent
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- 239000006081 fluorescent whitening agent Substances 0.000 title claims abstract description 60
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000003206 sterilizing agent Substances 0.000 claims abstract description 15
- 239000004094 surface-active agent Substances 0.000 claims abstract description 15
- CGLVZFOCZLHKOH-UHFFFAOYSA-N 8,18-dichloro-5,15-diethyl-5,15-dihydrodiindolo(3,2-b:3',2'-m)triphenodioxazine Chemical compound CCN1C2=CC=CC=C2C2=C1C=C1OC3=C(Cl)C4=NC(C=C5C6=CC=CC=C6N(C5=C5)CC)=C5OC4=C(Cl)C3=NC1=C2 CGLVZFOCZLHKOH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 13
- 239000002250 absorbent Substances 0.000 claims abstract description 13
- 230000002745 absorbent Effects 0.000 claims abstract description 13
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 13
- 239000003999 initiator Substances 0.000 claims abstract description 13
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 13
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 13
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 13
- 239000000077 insect repellent Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 18
- 235000013311 vegetables Nutrition 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Substances OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000003945 anionic surfactant Substances 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 239000012964 benzotriazole Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 150000003077 polyols Chemical class 0.000 claims description 2
- 229960004063 propylene glycol Drugs 0.000 claims description 2
- 239000007798 antifreeze agent Substances 0.000 claims 1
- BEGLCMHJXHIJLR-UHFFFAOYSA-N methylisothiazolinone Chemical compound CN1SC=CC1=O BEGLCMHJXHIJLR-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 241000238631 Hexapoda Species 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 3
- 230000002087 whitening effect Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a stable fluorescent whitening agent for PVC and plant fibers, which comprises 20-60% of fluorescent whitening agent, 1-4% of dispersing agent, 0.05-0.3% of blue-phase permanent violet RL, 0.1-0.4% of polyethylene glycol, 10-20% of anhydrous sodium sulphate, 2-6% of coupling agent, 1-5% of surfactant, 0.5-2% of ultraviolet absorbent, 0.3-1% of sterilizing agent, 0.04-0.7% of insect repellent, 0.2-3% of initiator, 0.1-0.5% of antifreezing agent, 0.3-1.5% of defoaming agent and the balance of water. The fluorescent whitening agent prepared by the invention has good whitening effect, obviously improves the whiteness of PVC and plant fibers, has good stability, is not easy to discolor, can resist the change of moisture and temperature, is very beneficial to manufacturing flowerpots by the improved PVC and plant fibers, and also has antibacterial and insect-resistant capabilities; the invention discloses a preparation method of a stable fluorescent whitening agent for PVC and plant fibers, which simplifies production steps, is beneficial to improving product quality and increasing production efficiency.
Description
Technical Field
The invention relates to the technical field of whitening agents, in particular to a stable fluorescent whitening agent for PVC and plant fibers and a preparation method thereof.
Background
PVC and plant fiber are important flowerpot manufacturing raw materials, and with the attention of people on indoor landscapes, plant cultivation in families becomes a popular trend at present. The plant decorative plate has the advantages that the plant decorative plate can be decorated indoors, so that the effect of improving attractiveness can be achieved, air can be fresher, and the emotion of people is relieved.
In order to make plants have better decorative effect, the plants are often provided with good-looking flowerpots, so that the requirements on raw materials of the flowerpots are very high. When PVC and plant fiber are used as main materials of flowerpots, whitening agents are often required to be added to improve the surface color of the flowerpots.
However, the existing whitening agent for PVC and plant fibers is often poor in effect and stability, easy to denature under the influence of moisture and temperature, and meanwhile, the finished flowerpot is not good in antibacterial and insect-resistant capabilities, and the final finished product is not good for plant maintenance. In view of this, we propose a stable fluorescent whitening agent for PVC and plant fibers and a method for preparing the same.
Disclosure of Invention
The invention aims to provide a stable fluorescent whitening agent for PVC and plant fibers and a preparation method thereof, which aim to solve the problems in the background art.
The invention provides a technical scheme for realizing the purpose, the invention provides a stable fluorescent whitening agent for PVC and plant fibers, which comprises 20-60% of fluorescent whitening agent, 1-4% of dispersing agent, 0.05-0.3% of blue-phase permanent violet RL, 0.1-0.4% of polyethylene glycol, 10-20% of anhydrous sodium sulphate, 2-6% of coupling agent, 1-5% of surfactant, 0.5-2% of ultraviolet absorbent, 0.3-1% of sterilizing agent, 0.04-0.7% of insect repellent, 0.2-3% of initiator, 0.1-0.5% of antifreezing agent, 0.3-1.5% of defoaming agent and the balance of water.
Preferably, the fluorescent whitening agent comprises one or more of fluorescent whitening agent 33, fluorescent whitening agent 367, fluorescent whitening agent DMS, fluorescent whitening agent WS, fluorescent whitening agent VBL, and fluorescent whitening agent CBS-X.
Preferably, the coupling agent is a silane coupling agent, preferably a silane coupling agent KH570, and the dispersing agent is a liquid polyether polyol with the molecular weight of 1000-2000-.
Preferably, the surfactant is an anionic surfactant, and the ultraviolet absorber is an organic ultraviolet absorber, preferably a benzotriazole-based absorber.
Preferably, the sterilizing agent adopts one of 5-chloro-2-methyl-4-isothiazolin-3-ketone or 2-methyl-4-isothiazolin-3-ketone.
Preferably, the antifreeze is one or a mixture of more of 1, 2-propylene glycol, ethylene glycol or glycerol.
A process for the preparation of a stable fluorescent whitening agent for PVC and vegetable fibres, comprising the steps of:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 1-3 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and surfactant into the treated solution, and stirring for 0.5-2 hours;
s3: and (3) adding an ultraviolet absorbent, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 30-40 ℃, and stirring for 0.5-3 hours to obtain the fluorescent whitening agent.
Compared with the prior art, the invention has the beneficial effects that:
1. the fluorescent whitening agent prepared by the invention has good whitening effect, obviously improves the whiteness of PVC and plant fibers, has good stability, is not easy to discolor, can resist the change of moisture and temperature, is very beneficial to manufacturing flowerpots by the improved PVC and plant fibers, and also has antibacterial and insect-resistant capabilities;
2. the invention discloses a preparation method of a stable fluorescent whitening agent for PVC and plant fibers, which simplifies production steps, is beneficial to improving product quality and increasing production efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the technical solution of the present patent will be described in further detail with reference to the following embodiments.
A stable fluorescent whitening agent for PVC and plant fiber, 20-60% of fluorescent whitening agent, 1-4% of dispersing agent, 0.05-0.3% of blue-phase permanent violet RL, 0.1-0.4% of polyethylene glycol, 10-20% of anhydrous sodium sulphate, 2-6% of coupling agent, 1-5% of surfactant, 0.5-2% of ultraviolet absorbent, 0.3-1% of sterilizing agent, 0.04-0.7% of insect-resist agent, 0.2-3% of initiator, 0.1-0.5% of antifreezing agent, 0.3-1.5% of defoaming agent and the balance of water.
A process for the preparation of a stable fluorescent whitening agent for PVC and vegetable fibres, comprising the steps of:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 1-3 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and surfactant into the treated solution, and stirring for 0.5-2 hours;
s3: and (3) adding an ultraviolet absorbent, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 30-40 ℃, and stirring for 0.5-3 hours to obtain the fluorescent whitening agent.
Detailed description of the preferred embodiment 1
A stable fluorescent whitening agent for PVC and plant fibers comprises 20-60% of fluorescent whitening agent, 2% of dispersing agent, 0.2% of blue-phase permanent violet RL, 0.3% of polyethylene glycol, 15% of anhydrous sodium sulphate, 4% of coupling agent, 5% of surfactant, 0.8% of ultraviolet absorbent, 0.6% of sterilizing agent, 0.2% of insect repellent, 0.25% of initiator, 0.5% of antifreezing agent, 1.5% of defoaming agent and the balance of water.
A process for the preparation of a stable fluorescent whitening agent for PVC and vegetable fibres, comprising the steps of:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 2 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and a surfactant into the treated solution, and stirring for 1 hour;
s3: and (3) adding an ultraviolet absorber, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 30 ℃, and stirring for 1 hour to obtain the fluorescent whitening agent.
Specific example 2
A stable fluorescent whitening agent for PVC and plant fibers comprises 50% of fluorescent whitening agent, 3% of dispersing agent, 0.3% of blue-phase permanent violet RL, 0.3% of polyethylene glycol, 10% of anhydrous sodium sulphate, 4% of coupling agent, 3% of surfactant, 1% of ultraviolet absorbent, 0.5% of sterilizing agent, 0.4% of insect-resist agent, 2% of initiator, 0.4% of antifreezing agent, 1% of defoaming agent and the balance of water.
A process for the preparation of a stable fluorescent whitening agent for PVC and vegetable fibres, comprising the steps of:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 2 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and a surfactant into the treated solution, and stirring for 1 hour;
s3: and (3) adding an ultraviolet absorber, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 35 ℃, and stirring for 2 hours to obtain the fluorescent whitening agent.
Specific example 3
A stable fluorescent whitening agent for PVC and plant fibers comprises 60% of fluorescent whitening agent, 4% of dispersing agent, 0.2% of blue-phase permanent violet RL, 0.3% of polyethylene glycol, 12% of anhydrous sodium sulphate, 6% of coupling agent, 5% of surfactant, 2% of ultraviolet absorbent, 1% of sterilizing agent, 0.7% of insect-resist agent, 2% of initiator, 0.5% of antifreezing agent, 1.2% of defoaming agent and the balance of water.
A process for the preparation of a stable fluorescent whitening agent for PVC and vegetable fibres, comprising the steps of:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 3 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and a surfactant into the treated solution, and stirring for 2 hours;
s3: and (3) adding an ultraviolet absorber, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 40 ℃, and stirring for 3 hours to obtain the fluorescent whitening agent.
The properties of the optical brighteners prepared in the above three examples are shown in table 1:
| item | Example 1 | Example 2 | Example 3 |
| Whiteness degree | 96.4 | 97.2 | 98.3 |
| Fluorescent brightening of objects | 15.5 | 16.3 | 16.7 |
| Stability of | Stabilization | Stabilization | Stabilization |
| Ultraviolet absorptivity | 92 | 91 | 94 |
| Cold resistance | Good taste | Good taste | Good taste |
TABLE 1
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A stable fluorescent whitening agent for PVC and plant fibers, characterized in that: 20-60% of fluorescent whitening agent, 1-4% of dispersing agent, 0.05-0.3% of blue-phase permanent violet RL, 0.1-0.4% of polyethylene glycol, 10-20% of anhydrous sodium sulphate, 2-6% of coupling agent, 1-5% of surfactant, 0.5-2% of ultraviolet absorbent, 0.3-1% of sterilizing agent, 0.04-0.7% of insect repellent agent, 0.2-3% of initiator, 0.1-0.5% of antifreezing agent, 0.3-1.5% of defoaming agent and the balance of water.
2. A stable fluorescent whitening agent for PVC and vegetable fibres, according to claim 1, characterized in that: the fluorescent whitening agent comprises one or more of fluorescent whitening agent 33, fluorescent whitening agent 367, fluorescent whitening agent DMS, fluorescent whitening agent WS, fluorescent whitening agent VBL and fluorescent whitening agent CBS-X.
3. A stable fluorescent whitening agent for PVC and vegetable fibres, according to claim 2, characterized in that: the coupling agent is a silane coupling agent, preferably a silane coupling agent KH570, and the dispersing agent is liquid polyether polyol with the molecular weight of 1000-2000-.
4. A stable fluorescent whitening agent for PVC and vegetable fibres, according to claim 3, characterized in that: the surfactant is an anionic surfactant, and the ultraviolet absorbent is an organic ultraviolet absorbent, preferably a benzotriazole absorbent.
5. A stable fluorescent whitening agent for PVC and vegetable fibres, according to claim 4, characterized in that: the sterilizing agent adopts one of 5-chloro-2-methyl-4-isothiazoline-3-ketone or 2-methyl-4-isothiazoline-3-ketone.
6. A stable fluorescent whitening agent for PVC and vegetable fibres, according to claim 5, characterized in that: the antifreeze agent is one or a mixture of more of 1, 2-propylene glycol, ethylene glycol or glycerol.
7. Process for the preparation of stable fluorescent whitening agents for PVC and vegetable fibres, according to claims 1 to 6, characterized in that: the method comprises the following steps:
s1: adding a fluorescent whitening agent and blue-phase permanent violet RL into water to form a solution, adding a dispersing agent and a coupling agent for treatment, and stirring for 1-3 hours to obtain a treated solution;
s2: adding polyethylene glycol, anhydrous sodium sulphate and surfactant into the treated solution, and stirring for 0.5-2 hours;
s3: and (3) adding an ultraviolet absorbent, a sterilizing agent, an insect-resist agent, an initiator, an antifreezing agent, a defoaming agent and sufficient water into the solution obtained in the step (S2), heating to 30-40 ℃, and stirring for 0.5-3 hours to obtain the fluorescent whitening agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482467.0A CN114181475A (en) | 2021-12-07 | 2021-12-07 | Stable fluorescent whitening agent for PVC and plant fibers and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482467.0A CN114181475A (en) | 2021-12-07 | 2021-12-07 | Stable fluorescent whitening agent for PVC and plant fibers and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114181475A true CN114181475A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111482467.0A Pending CN114181475A (en) | 2021-12-07 | 2021-12-07 | Stable fluorescent whitening agent for PVC and plant fibers and preparation method thereof |
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| Country | Link |
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| CN (1) | CN114181475A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976410A (en) * | 1996-10-10 | 1999-11-02 | Ciba Specialty Chemicals Corporation | Dispersions of fluorescent whitening agents |
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2021
- 2021-12-07 CN CN202111482467.0A patent/CN114181475A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976410A (en) * | 1996-10-10 | 1999-11-02 | Ciba Specialty Chemicals Corporation | Dispersions of fluorescent whitening agents |
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