CN115124262A - Glass fiber impregnating compound for milk bottle - Google Patents
Glass fiber impregnating compound for milk bottle Download PDFInfo
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- CN115124262A CN115124262A CN202211023544.0A CN202211023544A CN115124262A CN 115124262 A CN115124262 A CN 115124262A CN 202211023544 A CN202211023544 A CN 202211023544A CN 115124262 A CN115124262 A CN 115124262A
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- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
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- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/1095—Coating to obtain coated fabrics
-
- 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/36—Epoxy resins
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
A glass fiber impregnating compound for feeding bottle yarn belongs to the technical field of mixtures for glass fiber surface treatment. After the conventional sizing agent is used for treating the milk bottle yarn, the problems of over-hard yarn, poor forming of the milk bottle yarn, fiber breakage and poor sizing agent migration exist, and the production efficiency, the cloth cover quality and the physical performance indexes of the woven wall cloth are influenced. The raw materials of the invention comprise a pH regulator, a coupling agent, a lubricant, a softening agent, water-soluble epoxy resin, a first film forming agent, a second film forming agent, a third film forming agent and water; the first film forming agent is epoxy resin with the molecular weight of 430-550, the second film forming agent is a mixture of polyurethane with the molecular weight of 700-1200 and the epoxy resin, and the third film forming agent is a mixture of polyurethane resin with the molecular weight of 1500-3500 and polyester resin. Finally, the glass fiber soaked by the soaking agent has the characteristics of high strength, corrosion resistance, high temperature resistance and less moisture absorption.
Description
Technical Field
A glass fiber impregnating compound for feeding bottle yarn belongs to the technical field of mixtures for glass fiber surface treatment.
Background
The milk bottle yarn is a common glass fiber, belongs to one of medium-alkali spun yarns, and is commonly used as warp yarn for producing wallhanging. In the process of producing the milk bottle yarn glass fiber, the surface treatment of the impregnating compound is needed, the original yarn of the milk bottle yarn produced by the original formula is hard, the problem of fiber breakage is easy to occur in the process of drawing production, and the using effects of subsequent yarn twisting production and warping weaving at a client are further influenced. Meanwhile, the currently used impregnating compound has a relatively obvious impregnating compound migration problem, and the impregnating compound is transferred to the outer layer along with moisture due to high-speed rotation of wire drawing and twisting, so that the integral combustible content difference of the yarn is large and uneven, the combustible content of the yarn at the inner layer is relatively low, the film forming and bundling performance on the surface of the yarn is poor, and the problems of long broken filaments and fiber breakage of the twisted product are obvious. And the quality problems of the appearance products of the nursing bottle yarn, such as spindle deviation, false head and the like, exist due to poor yarn forming in the twisting process because the yarn hardness is too high.
The baby bottle yarn product is used for warping in customers and is commonly used for producing wallhanging products. After the existing sizing agent is used for treating the milk bottle yarn, the problems of over-hard yarn, poor forming of the milk bottle yarn, fiber breakage and poor sizing agent migration exist, the production efficiency of weaving wall cloth, the quality and physical performance indexes of cloth cover are influenced, the fabric cover is lack of smoothness, and the risk of feedback of the quality problem of subsequent customers exists.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides the milk bottle yarn glass fiber impregnating compound which is uniform in impregnating milk bottle yarn, difficult in fiber breakage and soft.
The technical scheme adopted by the invention for solving the technical problems is as follows: a glass fiber impregnating compound for a feeding bottle is characterized in that: the raw materials comprise a pH regulator, a coupling agent, a lubricant, a softening agent, water-soluble epoxy resin, a first film forming agent, a second film forming agent, a third film forming agent and water; the first film forming agent is epoxy resin with the molecular weight of 430-550, the second film forming agent is a mixture of polyurethane with the molecular weight of 700-1200 and the epoxy resin, and the third film forming agent is a mixture of polyurethane resin with the molecular weight of 1500-3500 and polyester resin.
The common film forming agent is epoxy resin with the molecular weight of 2000-3500, and the invention adopts the multiple composite film forming agents, wherein: the epoxy resin component with smaller molecular weight is adopted, so that the flexibility of the yarn is effectively increased, and the service performance of the glass fiber can be improved on the premise of ensuring excellent technical performance; the main chain of the polyester resin molecule contains more repeated ester bonds, unsaturated bonds and hydrophilic groups, so that the impregnating compound has more excellent wettability and the wetting uniformity is improved; the glass fiber soaked by the polyurethane resin emulsion has excellent performances such as high strength, wear resistance and the like; the migration capacity of the impregnating compound is further adjusted by the mixture of the polyurethane resin with the molecular weight of 1500-3500 and the polyester resin with the molecular weight of 1500-3500, so that the integral film forming of the surface of the yarn is ensured; finally, the glass fiber soaked by the soaking agent has the characteristics of high strength, corrosion resistance, high temperature resistance and less moisture absorption.
The pH regulator is preferably glacial acetic acid. The coupling agent is preferably a Y-methacryloxypropyltrimethoxysilane coupling agent.
Preferably, the raw materials comprise, by weight, 0.3-0.5% of a coupling agent, 1-1.4% of a lubricant, 0.05-0.2% of a softening agent, 0.8-1.5% of a water-soluble epoxy resin, 5-6.5% of a first film forming agent, 3-4.5% of a second film forming agent, 2-3.5% of a third film forming agent and the balance of water.
Preferably, the first film forming agent is bisphenol A epoxy resin with the molecular weight of 430-550.
Preferably, the second film forming agent is a mixture of polyurethane and epoxy resin according to a weight ratio of 1: 1.
Preferably, the molecular weight of the second film forming agent is 1000.
Preferably, the third film forming agent is a mixture of a polyurethane resin with a molecular weight of 2500 and a polyester resin with a molecular weight of 2500 according to a weight ratio of 4: 6.
Preferably, the lubricant is a mixture of a polyethyleneimine salt, an alkylene bis-fatty amide, and a cationic lubricant.
More preferably, the lubricant accounts for 0.65-0.8% of the weight of the polyethyleneimine salt, 0.3-0.5% of the weight of the alkylene di-fatty amide and 0.05-0.1% of the weight of the cationic lubricant in the glass fiber sizing agent for the baby bottle gauze.
Preferably, the softening agent is polyoxyethylene stearate, and the weight ratio of the softening agent to the glass fiber sizing agent for the milk bottle is 0.05-0.2%.
Compared with the prior art, the invention has the beneficial effects that: the common film forming agent is epoxy resin with the molecular weight of 2000-3500, and the invention adopts the multiple composite film forming agents, wherein: the epoxy resin component with smaller molecular weight is adopted, so that the flexibility of the yarn is effectively increased, and the service performance of the glass fiber can be improved on the premise of ensuring excellent technical performance; the main chain of the polyester resin molecule contains more repeated ester bonds, unsaturated bonds and hydrophilic groups, so that the impregnating compound has more excellent wettability and the wetting uniformity is improved; the glass fiber soaked by the polyurethane resin emulsion has excellent performances of high strength, wear resistance and the like; the migration capacity of the impregnating compound is further adjusted by the mixture of the polyurethane resin with the molecular weight of 1500-3500 and the polyester resin with the molecular weight of 1500-3500, so that the integral film forming of the surface of the yarn is ensured; finally, the glass fiber soaked by the soaking agent has the characteristics of high strength, corrosion resistance, high temperature resistance and less moisture absorption.
Detailed Description
The present invention will be further described with reference to the following examples, in which example 1 is a preferred embodiment of the present invention.
The raw materials used in the following examples and comparative examples were purchased from Vietnam glass fiber materials Ltd.
Example 1
A glass fiber sizing material for a feeding bottle comprises, by weight, 0.1% of glacial acetic acid (pH is adjusted to be neutral), 0.4% of Y-methacryloxypropyltrimethoxysilane coupling agent, 1.17% of lubricant, 0.1% of polyoxyethylene stearate, 1% of water-soluble epoxy resin with a molecular weight of 400, 6% of first film forming agent, 4% of second film forming agent, 3% of third film forming agent and the balance of water (84.23%).
The lubricant component and the weight ratio of each component in the glass fiber sizing agent for the baby bottle yarn are 0.7 percent of polyethyleneimine salt, 0.4 percent of alkylene di-fatty amide and 0.07 percent of imidazoline cation lubricant.
The first film forming agent is bisphenol A type epoxy resin with the molecular weight of 500; the second film forming agent is polyurethane with the molecular weight of 1000 and epoxy resin with the molecular weight of 1000 according to the weight ratio of 1: 1; the third film forming agent is polyurethane resin with the molecular weight of 2500 and polyester resin with the molecular weight of 2500 according to the weight ratio of 4: 6.
The raw materials are uniformly mixed and stirred at normal temperature except for glacial acetic acid, and glacial acetic acid with the weight ratio of 1% is added to adjust the pH value to be neutral, so that the glass fiber impregnating compound for the milk bottle yarn is obtained.
Example 2
A feeding bottle yarn glass fiber impregnating compound is prepared in the following steps that on the basis of embodiment 1, the dosage of a first film forming agent is set to be 6.5%, the dosage of a second film forming agent is set to be 3%, and other conditions are the same as those of embodiment 1.
Example 3
A feeding bottle yarn glass fiber impregnating compound is prepared in the following steps that on the basis of embodiment 1, the dosage of a first film forming agent is set to be 6.5%, the dosage of a third film forming agent is set to be 2%, and other conditions are the same as those of embodiment 1.
Example 4
A feeding bottle yarn glass fiber impregnating compound is prepared in the following manner that on the basis of embodiment 1, the dosage of a second film forming agent is set to be 4.5%, the dosage of a third film forming agent is set to be 3.5%, and other conditions are the same as those of embodiment 1.
Example 5
A nursing bottle yarn glass fiber impregnating compound is prepared by setting the dosage of polyethyleneimine salt to be 1.1% on the basis of the embodiment 1, not setting alkylene bis-fatty acid amide, and the other conditions are the same as the embodiment 1.
Example 6
A feeding bottle yarn glass fiber impregnating compound is prepared in the following manner that on the basis of embodiment 1, the molecular weight of a first film forming agent is set to be 430, the dosage of the first film forming agent is set to be 5%, the molecular weights of components of a second film forming agent are set to be 700, the dosage of the second film forming agent is set to be 3%, the dosage of a third film forming agent is set to be 2%, and other conditions are the same as those of embodiment 1.
Example 7
A feeding bottle yarn glass fiber impregnating compound is prepared by setting the molecular weight of a first film forming agent to be 550, the molecular weight of each component of a second film forming agent to be 1200 and the molecular weight of each component of a third film forming agent to be 3500 on the basis of the embodiment 1 and the other conditions are the same as the embodiment 1.
Example 8
A feeder yarn glass fiber impregnating compound was prepared as in example 1 except that the molecular weights of the respective components of the second film forming agent were 1200 and the molecular weights of the respective components of the third film forming agent were 1500, and was prepared as in example 1.
Example 9
A glass fiber sizing agent for a milk bottle yarn is prepared from 0.8% of polyethyleneimine salt, 0.3% of alkylene bis-fatty amide and 0.1% of imidazoline cation lubricant by weight in the glass fiber sizing agent for the milk bottle yarn based on example 1, wherein the amount of stearic acid polyoxyethylene ether serving as a softening agent is set to be 0.2%, and other conditions are the same as those in example 1.
Example 10
A nursing bottle yarn glass fiber sizing agent is prepared in the same manner as in example 1, wherein the lubricant components and the weight ratio of the components in the nursing bottle yarn glass fiber sizing agent are 0.5% of alkylene di-fatty amide and 0.5% of imidazoline cationic lubricant, and the other conditions are the same as in example 1.
Example 11
A baby bottle yarn glass fiber sizing agent is based on example 1, wherein the dosage of a coupling agent is set to be 0.3%, the dosage of a lubricant is set to be 1.4% (0.65% of polyethyleneimine salt, 0.45% of alkylene di-fatty amide and 0.3% of imidazoline cation lubricant), the dosage of a softening agent polyoxyethylene stearate is set to be 0.05%, the dosage of a water-soluble epoxy resin with the molecular weight of 400 is set to be 0.8%, and other conditions are the same as those in example 1.
Example 12
A nursing bottle yarn glass fiber impregnating compound is prepared by setting the dosage of a pH regulator to be 0.2% (regulating the pH to be neutral), the dosage of a coupling agent to be 0.5%, the dosage of a lubricant to be 1% (0.5% of polyethyleneimine salt, 0.4% of alkylene di-fatty amide and 0.1% of imidazoline cation lubricant), the dosage of a softening agent polyoxyethylene stearate to be 0.2%, the dosage of a water-soluble epoxy resin with the molecular weight of 400 to be 1.5% and the other conditions to be the same as the embodiment 1.
Comparative example 1
A feeding bottle yarn glass fiber impregnating compound is prepared by setting the dosage of a first film forming agent to be 13% on the basis of embodiment 1, not setting a second film forming agent and a third film forming agent, and the other conditions are the same as those of embodiment 1.
Comparative example 2
A feeding bottle yarn glass fiber impregnating compound is prepared by setting the dosage of a second film forming agent to be 10% on the basis of embodiment 1, not setting a first film forming agent and a third film forming agent, and the other conditions are the same as those of embodiment 1.
Comparative example 3
A feeding bottle yarn glass fiber impregnating compound is prepared by setting the dosage of a first film forming agent to be 6.5%, the dosage of a second film forming agent to be 5% and not setting a third film forming agent on the basis of embodiment 1, wherein other conditions are the same as those of embodiment 1.
Comparative example 4
A feeding bottle yarn glass fiber impregnating compound is prepared in the following manner that on the basis of embodiment 1, the dosage of a first film forming agent is set to be 7%, the dosage of a third film forming agent is set to be 4%, and a second film forming agent is not arranged, wherein other conditions are the same as those of embodiment 1.
Performance testing
The glass fiber impregnating agent for the milk bottle yarns obtained in the above embodiments and comparative examples is used for impregnating the milk bottle yarns of the same batch by the same process. And (5) carrying out performance test on the soaked milk bottle yarn.
The bundling performance is characterized by the loose yarn condition of the yarns in use, and the bundling performance is quantified through hairiness detection, and the specific test method comprises the following steps: and (3) retreating the yarn of the feeding bottle to the position of the residual 1kg, using a hairiness detector, enabling the yarn to pass through porcelain eyes to tension rods, enabling the yarn to pass through 10 tension rods, executing the vehicle speed of 38m/min, winding 0.5kg of yarn roll at a winder, collecting hairiness at the tension rods, recording the hairiness weight in mg, recording the weight of the winding yarn roll at the weighing winder in kg, and calculating the hairiness weight = the hairiness weight/the winding yarn roll weight in mg/kg. The larger the amount of hairiness, the worse the bundling performance.
The breaking strength is subjected to the specified test of GB/T7690.3; the combustible content is tested by GB/T9914.2, the combustible content of the test sample is tested from the beginning 1000m to the end of 20000m, samples are taken at intervals of 2000m, the larger the fluctuation range of the combustible content test on the same glass fiber, the poorer the migration capability of the impregnating compound is, namely, the impregnating compound cannot be uniformly infiltrated on the glass fiber, and the combustible content shown in the table is the minimum value and the maximum value of the detection result of the sample.
The above tests were sampled and tested 1000m from the beginning of the glass fiber obtained in each example and comparative example, and the test results are shown in table 1 below.
Table 1 results of performance testing
Among the actually obtained baby bottle yarns, the baby bottle yarns obtained in the examples are obviously softer in hand feeling and easy to weave into cloth compared with comparative examples.
According to the results of the performance tests of the comparative examples 1 and 2 and the comparative examples 3 and 4 in the table 1, the addition of one or two film forming agents has little influence on the performance of the whole impregnating compound, while the addition of three film forming agents simultaneously can obtain the impregnating compound of the example, so that the impregnated glass fiber has the characteristics of high strength, good mobility and good bundling performance.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. The feeding bottle yarn glass fiber impregnating compound is characterized in that: the raw materials comprise a pH regulator, a coupling agent, a lubricant, a softening agent, water-soluble epoxy resin, a first film forming agent, a second film forming agent, a third film forming agent and water; the first film forming agent is epoxy resin with the molecular weight of 430-550, the second film forming agent is a mixture of polyurethane with the molecular weight of 700-1200 and the epoxy resin, and the third film forming agent is a mixture of the polyurethane resin with the molecular weight of 1500-3500 and polyester resin.
2. The glass fiber impregnating compound for the nursing bottle yarn as set forth in claim 1, wherein: the raw materials comprise, by weight, 0-0.2% of a pH regulator, 0.3-0.5% of a coupling agent, 1-1.4% of a lubricant, 0.05-0.2% of a softening agent, 0.8-1.5% of a water-soluble epoxy resin, 5-6.5% of a first film forming agent, 3-4.5% of a second film forming agent, 2-3.5% of a third film forming agent and the balance of water.
3. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the first film forming agent is bisphenol A type epoxy resin with the molecular weight of 430-550.
4. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the second film forming agent is prepared from polyurethane and epoxy resin according to the weight ratio of 1: 1.
5. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the molecular weight of the second film forming agent is 1000.
6. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the third film forming agent is a mixture of a polyurethane resin with a molecular weight of 2500 and a polyester resin with a molecular weight of 2500 according to a weight ratio of 4: 6.
7. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the lubricant is a mixture of a polyethyleneimine salt, an alkylene bis-fatty amide and a cationic lubricant.
8. The baby bottle yarn glass fiber sizing material according to claim 7, wherein: the lubricant component and the components in the feeding bottle yarn glass fiber sizing agent comprise 0.65-0.8% of polyethyleneimine salt, 0.3-0.5% of alkylene di-fatty amide and 0.05-0.1% of cationic lubricant by weight.
9. The nursing bottle yarn glass fiber impregnating compound of claim 1, wherein: the softening agent is polyoxyethylene stearate, and the weight ratio of the softening agent to the glass fiber sizing agent for the milk bottle is 0.05-0.2%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211023544.0A CN115124262A (en) | 2022-08-25 | 2022-08-25 | Glass fiber impregnating compound for milk bottle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211023544.0A CN115124262A (en) | 2022-08-25 | 2022-08-25 | Glass fiber impregnating compound for milk bottle |
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| CN202211023544.0A Pending CN115124262A (en) | 2022-08-25 | 2022-08-25 | Glass fiber impregnating compound for milk bottle |
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