CN114133488A - Hydrophilic modified polypropylene material, preparation method thereof and fiber - Google Patents

Hydrophilic modified polypropylene material, preparation method thereof and fiber Download PDF

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Publication number
CN114133488A
CN114133488A CN202111514536.1A CN202111514536A CN114133488A CN 114133488 A CN114133488 A CN 114133488A CN 202111514536 A CN202111514536 A CN 202111514536A CN 114133488 A CN114133488 A CN 114133488A
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China
Prior art keywords
parts
polypropylene
plasma
antioxidant
modified polypropylene
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CN202111514536.1A
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张磊
宫怀瑞
徐良平
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Luolai Lifestyle Technology Co Ltd
Shanghai Luolai Lifestyle Technology Co Ltd
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Luolai Lifestyle Technology Co Ltd
Shanghai Luolai Lifestyle Technology Co Ltd
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Priority to CN202111514536.1A priority Critical patent/CN114133488A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • C08F255/023—On to modified polymers, e.g. chlorinated polymers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/30—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising olefins as the major constituent

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

The invention provides a preparation method of a hydrophilic modified polypropylene material, which comprises the following steps: carrying out surface treatment on the polypropylene master batch by using plasma; 8-15 parts of pentaerythritol triacrylate, 3-8 parts of divinylbenzene, 1-2 parts of an initiator, 0.2-1.5 parts of an antioxidant and 100 parts of surface-treated polypropylene master batches are subjected to melt blending to obtain the hydrophilic modified polypropylene material. According to the invention, a polar branched chain is grafted on a polypropylene molecular chain by a melt grafting method to improve the hydrophilic performance of polypropylene, the grafting rate of the obtained hydrophilic polypropylene reaches 2-6%, the fiber moisture regain reaches 1-2.5, and the hydrophilic polypropylene has good hydrophilic performance.

Description

Hydrophilic modified polypropylene material, preparation method thereof and fiber
Technical Field
The invention belongs to the technical field of modification of high polymer materials, and particularly relates to a hydrophilic modified polypropylene material, a preparation method thereof and fibers.
Background
The polypropylene non-woven fabric has high tensile strength and bending strength, has wicking effect, stable chemical property and good heat retention, is the most rapidly developed non-woven fabric variety in the non-woven fabric industry in recent years, and is widely applied to household daily necessities, clothes, medical and health products and industrial products. The polypropylene does not contain hydrophilic groups in the molecular structure, and has high crystallinity, compact structure and lack of micropores and gaps, so that the hydrophilicity is extremely poor and the moisture regain is extremely low. However, in the fields of home textiles, clothing, medical supplies, and the like, good hydrophilicity is required. Therefore, it is an urgent problem to improve the hydrophilicity and hygroscopicity of nonwoven fabrics by modifying polypropylene.
At present, the hydrophilicity of nonwoven fabrics is generally improved by a hydrophilic finishing method, and the hydrophilic finishing method generally refers to a method for improving the hydrophilicity of fibers by coating a layer of hydrophilic compound on the surfaces of the fibers or fiber products. Generally, for polypropylene without polar groups, different types of low molecular surfactants, high molecular surfactants and compound systems thereof can be adopted for hydrophilic finishing. The hydrophilic finishing has the characteristics of simple and convenient method, low cost and the like, but the hydrophilic finishing has the defect of poor durability.
Disclosure of Invention
The invention aims to provide a hydrophilic modified polypropylene material, a preparation method thereof and a fiber, wherein a melt grafting method is adopted to introduce polar branched chains into a molecular chain of polypropylene so as to improve the hydrophilicity of the polypropylene.
The invention provides a method for preparing a hydrophilic modified polypropylene material, which comprises the following steps:
carrying out surface treatment on the polypropylene master batch by using plasma;
8-15 parts of pentaerythritol triacrylate, 3-8 parts of divinylbenzene, 1-2 parts of an initiator, 0.2-1.5 parts of an antioxidant and 100 parts of surface-treated polypropylene master batches are subjected to melt blending to obtain the hydrophilic modified polypropylene material.
Preferably, the plasma is one of nitrogen plasma, argon plasma, carbon dioxide plasma, and air plasma.
Preferably, the plasma is air plasma, the gas flow rate of the air plasma is 80-150 ml/min, the treatment voltage is 50-100V, and the treatment time is 3-10 min.
Preferably, the melt blending process comprises:
keeping the temperature for 15-30 min at the temperature of 170-190 ℃ and the stirring speed of 60-90 rpm; and then preserving the heat for 20-40 min at the temperature of 200-230 ℃ and the stirring speed of 80-120 rpm.
Preferably, the initiator includes one or more of azobisisobutyronitrile, azobisisoheptonitrile, sodium bisulfite, tert-butyl hydroperoxide, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, di-tert-butyl peroxide, tert-butyl peroxybenzoate, dicumyl peroxide, cyclohexanone peroxide, tert-butyl peroxypivalate, methyl ethyl ketone peroxide, diisopropyl peroxydicarbonate, dicyclohexyl peroxydicarbonate, sodium persulfate, potassium persulfate, and ammonium persulfate.
Preferably, the antioxidant is one or more of antioxidant 1010, antioxidant 1076 and antioxidant 264.
Preferably, the antioxidant is an antioxidant 1010, and the content of the antioxidant is 0.2-0.8 parts.
Preferably, the antioxidant is antioxidant 1076 or antioxidant 264, and the content is 0.5-1.5 parts.
The second aspect of the invention provides a hydrophilic modified polypropylene material prepared by the method.
In a third aspect, the present invention provides a fiber prepared using the above-described hydrophilically-modified polypropylene material.
The fourth aspect of the invention provides the application of the fiber in the fields of clothing, home textiles and medical supplies.
Compared with the prior art, the invention has the following partial beneficial effects:
the invention adopts the melt grafting method to modify the polypropylene, and the melt grafting method has the advantages of simple operation, short reaction time, good performance of the grafted product, no solvent, continuous production and the like.
According to the invention, the hydrophilic modified polypropylene is obtained by grafting the polar branched chain on the polypropylene molecular chain, and the grafting rate of the hydrophilic modified polypropylene reaches 2-6%. Compared with the conventional polypropylene fiber with extremely poor hydrophilicity and almost zero moisture regain, the hydrophilic modified polypropylene fiber has the moisture regain of 1-2.5%, and the hydrophilicity is greatly improved.
The invention selects pentaerythritol triacrylate and divinylbenzene as grafting monomers, the molecular structure of the divinylbenzene is provided with a plurality of unsaturated double bonds, and the molecular weight of polypropylene can be improved by forming coupling chain extension through the addition of the unsaturated double bonds and a plurality of macromolecular free radicals, thereby improving the degradation of the polypropylene and improving the grafting rate of polar monomers.
According to the invention, before melt grafting, the polypropylene is subjected to surface treatment by using air plasma. After plasma treatment, peroxide or peroxy radicals are generated on the surface of the polypropylene, and can play a role in initiating and promoting a grafting reaction. Moreover, on one hand, the air plasma has wide source and low price; on the other hand, the air plasma contains oxygen and a small amount of argon, the argon can play a role in energy activation in the treatment process, and more oxygen-containing groups can be introduced by the participation of the oxygen.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.
The use of the terms "comprising," "including," "containing," and "having" are generally to be construed as open-ended and non-limiting, and "parts" in the present disclosure are intended to mean parts by mass, unless otherwise specifically indicated.
When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any value therebetween can be selected unless the invention otherwise indicated. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and the description of the present invention, and any methods, apparatuses, and materials similar or equivalent to those described in the examples of the present invention may be used to practice the present invention.
Preparation of hydrophilic modified polypropylene material and fiber
The preparation method of the hydrophilic modified polypropylene material comprises the following steps:
s1, carrying out surface treatment on the polypropylene master batch by using plasma;
s2, melting and blending 8-15 parts of pentaerythritol triacrylate, 3-8 parts of divinylbenzene, 1-2 parts of an initiator, 0.2-1.5 parts of an antioxidant and 100 parts of surface-treated polypropylene master batches to obtain a hydrophilic modified polypropylene raw material;
s3, extruding and molding the hydrophilic modified polypropylene raw material to obtain the hydrophilic modified polypropylene master batch.
The method comprises the steps of heating and melting polypropylene master batches, graft monomers of pentaerythritol triacrylate and divinylbenzene, an initiator and an antioxidant, decomposing the initiator to generate active free radicals, opening unstable chains of the active free radicals when the active free radicals are contacted with unsaturated graft monomers, contacting and fusing the active free radicals with polypropylene free radicals to form polypropylene graft free radicals, and then carrying out chain transfer reaction, so that polar branched chains are introduced into a molecular chain of polypropylene in a melt grafting manner, and the hydrophilicity of the polypropylene is improved by utilizing the polarity and reactivity of the branched chains. After the surface of the polypropylene master batch is treated by the plasma, the surface of the polypropylene master batch can generate an automatic oxidation process to generate peroxide or peroxy radicals, so that the grafting reaction between the polypropylene and the grafting monomer can be initiated and promoted.
The invention selects pentaerythritol triacrylate and divinylbenzene as grafting monomers, the molecular structure of the divinylbenzene is provided with a plurality of unsaturated double bonds, and the coupling chain extension can be formed to improve the molecular weight of polypropylene through the addition of the unsaturated double bonds and a plurality of macromolecular free radicals, thereby improving the degradation of the polypropylene, improving the grafting rate of polar monomers and further achieving better modification effect.
In some embodiments, in the step S1, when the polypropylene mother particle is surface-treated with plasma, one of nitrogen plasma, argon plasma, carbon dioxide plasma, or air plasma may be selected. Preferably, air plasma can be selected, and on one hand, the air plasma has the advantages of wide source and low cost; on the other hand, air as a composite gas, which contains a small amount of argon, can play a role in energy activation in the treatment process, and part of oxygen participates in the composite gas, and can also play a role in introducing more oxygen-containing groups. When air plasma is selected to carry out surface treatment on the polypropylene master batch, the gas flow can be 80-150 ml/min, more preferably 90-120 ml/min, such as 90ml/min, 100ml/min and 120 ml/min; the processing voltage can be 50-100V, preferably 65-80V, such as 65V, 70V, 80V, etc.; the treatment time may be 3 to 10min, for example, 3min, 5min, 10min, etc.
In some embodiments, the melt blending process in step S2 is performed in an internal mixer, for example. The melt blending process may be performed in stages, for example, in two stages, wherein the first stage melt blending is performed at a heating temperature of, for example, 170 ℃ to 190 ℃ and the reactants are stirred while being heated, for example, at a rotation speed of 60 to 90rpm, and the first stage melt blending is performed for a reaction time of, for example, 15 to 30 min. After the first-stage melt blending is finished, the temperature of the reaction system is raised, and the second-stage melt blending is started. The heating temperature of the second stage melt blending is, for example, 200 to 230 ℃, the stirring speed is, for example, 80 to 120rpm, and the reaction time is, for example, 20 to 40 min.
In some embodiments, the initiator may include one or more of azobisisobutyronitrile, azobisisoheptonitrile, sodium bisulfite, t-butyl hydroperoxide, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, di-t-butyl peroxide, t-butyl peroxybenzoate, dicumyl peroxide, cyclohexanone peroxide, t-butyl peroxypivalate, methyl ethyl ketone peroxide, diisopropyl peroxydicarbonate, dicyclohexyl peroxydicarbonate, sodium persulfate, potassium persulfate, and ammonium persulfate. Such as azobisisobutyronitrile, for example, a mixture of azobisisobutyronitrile and t-butyl hydroperoxide, for example, a mixture of lauroyl peroxide, diisopropyl peroxydicarbonate and benzoyl peroxide, and the like, although other types of initiators capable of initiating the grafting reaction may also be included.
In some embodiments, the antioxidant can be one or more selected from antioxidant 1010, antioxidant 1076, and antioxidant 264, and the amount of the antioxidant is 0.2-1.5 parts based on 100 parts of the polypropylene masterbatch. Further, when one of the antioxidants is selected to be used alone, if the antioxidant 1010 is selected, the addition amount thereof may be 0.2 to 0.8 part, more preferably, 0.5 to 0.7 part; if the antioxidant 1076 or 264 is selected, the amount thereof may be 0.5 to 1.5 parts, more preferably 0.9 to 1.2 parts.
In some embodiments, in step S3, the reactants melted and blended in the internal mixer are fed into a twin-screw extruder, and after being extruded by the twin-screw extruder, the hydrophilic modified polypropylene material of the present invention is obtained after water cooling, drying, and dicing.
In some embodiments, the modified polypropylene raw material obtained in step S2 is compressed, mixed, defoamed, further melted, filtered, homogenized, and then fed into a twin-screw extruder, and then fed into a spinneret through the twin-screw extruder to be spun into the fiber of the present invention.
In another embodiment, the hydrophilic modified polypropylene masterbatch obtained in step S3 may be melted, compressed, kneaded, defoamed, further melted, filtered, homogenized, and then directly fed into a spinneret for spinning to obtain the fiber of the present invention.
The invention will now be described by way of the following examples.
Example 1
(1) And (3) carrying out surface treatment on the polypropylene master batch by using air plasma, setting the gas flow of the air plasma to be 100ml/min, the treatment voltage to be 70V and the treatment time to be 5min, and obtaining the polypropylene master batch after surface treatment after the treatment is finished.
(2) Putting 100 parts of polypropylene master batch subjected to surface treatment into an internal mixer, adding 8 parts of pentaerythritol triacrylate, 3 parts of divinylbenzene, 1 part of azobisisobutyronitrile and 0.5 part of antioxidant 1010, preserving heat for 20min at the heating temperature of 180 ℃ and the stirring speed of 70rpm, and preserving heat for 25min at the heating temperature of 210 ℃ and the stirring speed of 100rpm to obtain the hydrophilic modified polypropylene raw material.
(3) Feeding the hydrophilic modified polypropylene raw material into a double-screw extruder, cooling by water, drying and dicing to obtain the hydrophilic modified polypropylene master batch.
(4) After the hydrophilic modified polypropylene master batch is melted, the hydrophilic modified polypropylene master batch is sent into a spinning jet for spinning after being compressed, mixed, defoamed, further melted, filtered and homogenized to obtain the fiber.
Example 2
(1) And (3) carrying out surface treatment on the polypropylene master batch by using air plasma, setting the gas flow of the air plasma to be 100ml/min, the treatment voltage to be 70V and the treatment time to be 5min, and obtaining the polypropylene master batch after surface treatment after the treatment is finished.
(2) Putting 100 parts of polypropylene master batch subjected to surface treatment into an internal mixer, adding 10 parts of pentaerythritol triacrylate, 5 parts of divinylbenzene, 1 part of azobisisobutyronitrile and 0.5 part of antioxidant 1010, preserving heat for 20min at the heating temperature of 180 ℃ and the stirring speed of 70rpm, and preserving heat for 25min at the heating temperature of 210 ℃ and the stirring speed of 100rpm to obtain the hydrophilic modified polypropylene raw material.
(3) Feeding the hydrophilic modified polypropylene raw material into a double-screw extruder, cooling by water, drying and dicing to obtain the hydrophilic modified polypropylene master batch.
(4) After the hydrophilic modified polypropylene master batch is melted, the hydrophilic modified polypropylene master batch is sent into a spinning jet for spinning after being compressed, mixed, defoamed, further melted, filtered and homogenized to obtain the fiber.
Example 3
(1) And (3) carrying out surface treatment on the polypropylene master batch by using air plasma, setting the gas flow of the air plasma to be 100ml/min, the treatment voltage to be 70V and the treatment time to be 5min, and obtaining the polypropylene master batch after surface treatment after the treatment is finished.
(2) Putting 100 parts of polypropylene master batch subjected to surface treatment into an internal mixer, adding 12 parts of pentaerythritol triacrylate, 6.5 parts of divinylbenzene, 1.5 parts of azobisisobutyronitrile and 1 part of antioxidant 1076, preserving heat for 20min at the heating temperature of 180 ℃ and the stirring speed of 70rpm, and preserving heat for 25min at the heating temperature of 210 ℃ and the stirring speed of 100rpm to obtain the hydrophilic modified polypropylene raw material.
(3) Feeding the hydrophilic modified polypropylene raw material into a double-screw extruder, cooling by water, drying and dicing to obtain the hydrophilic modified polypropylene master batch.
(4) After the hydrophilic modified polypropylene master batch is melted, the hydrophilic modified polypropylene master batch is sent into a spinning jet for spinning after being compressed, mixed, defoamed, further melted, filtered and homogenized to obtain the fiber.
Example 4
(1) And (3) carrying out surface treatment on the polypropylene master batch by using air plasma, setting the gas flow of the air plasma to be 100ml/min, the treatment voltage to be 70V and the treatment time to be 5min, and obtaining the polypropylene master batch after surface treatment after the treatment is finished.
(2) Putting 100 parts of polypropylene master batch subjected to surface treatment into an internal mixer, adding 15 parts of pentaerythritol triacrylate, 8 parts of divinylbenzene, 1.5 parts of azobisisobutyronitrile and 1 part of antioxidant 1076, preserving heat for 20min at the heating temperature of 180 ℃ and the stirring speed of 70rpm, and preserving heat for 25min at the heating temperature of 210 ℃ and the stirring speed of 100rpm to obtain the hydrophilic modified polypropylene raw material.
(3) Feeding the hydrophilic modified polypropylene raw material into a double-screw extruder, cooling by water, drying and dicing to obtain the hydrophilic modified polypropylene master batch.
(4) After the hydrophilic modified polypropylene master batch is melted, the hydrophilic modified polypropylene master batch is sent into a spinning jet for spinning after being compressed, mixed, defoamed, further melted, filtered and homogenized to obtain the fiber.
Comparative example 1
(1) And melting the polypropylene master batch, compressing, mixing, defoaming, further melting, filtering, homogenizing, and feeding into a spinning nozzle for spinning to obtain the fiber.
TABLE 1 comparative tables of Properties of examples 1-4 and comparative examples 1-2
Example 1 Example 2 Example 3 Example 4 Comparative example 1
Graft ratio (%) 2.3 5.8 5.6 5.5 -
Moisture regain (%) 1.2 2.5 2.3 2.2 0
It can be seen from table 1 that in examples 1 to 4 of the present invention, the polypropylene surface is treated and then melt graft modified, so that polar branched chains are introduced into the molecular chain of the polypropylene, thereby improving the hydrophilicity of the polypropylene. Compared with the polypropylene fiber of the comparative example 1, the moisture regain of which is almost zero, in the example 2 of the invention, the grafting ratio of the molecular chain of the polypropylene material after hydrophilic modification reaches 5.8%, and the moisture regain of the fiber prepared by the polypropylene material reaches 2.5%, so that the hydrophilic performance of the polypropylene fiber is greatly improved, and the polypropylene fiber can be better applied to the fields of home textiles, clothing and medical supplies.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The preparation method of the hydrophilic modified polypropylene material is characterized by comprising the following steps:
carrying out surface treatment on the polypropylene master batch by using plasma;
8-15 parts of pentaerythritol triacrylate, 3-8 parts of divinylbenzene, 1-2 parts of an initiator, 0.2-1.5 parts of an antioxidant and 100 parts of surface-treated polypropylene master batches are subjected to melt blending to obtain the hydrophilic modified polypropylene material.
2. The method of claim 1, wherein the plasma is one of a nitrogen plasma, an argon plasma, a carbon dioxide plasma, or an air plasma.
3. The method according to claim 1, wherein the plasma is an air plasma, the air plasma has a gas flow rate of 80 to 150ml/min, a treatment voltage of 50 to 100V, and a treatment time of 3 to 10 min.
4. The method of claim 1, wherein the melt blending process comprises:
keeping the temperature for 15-30 min at the temperature of 170-190 ℃ and the stirring speed of 60-90 rpm; and then preserving the heat for 20-40 min at the temperature of 200-230 ℃ and the stirring speed of 80-120 rpm.
5. The preparation method according to claim 1, wherein the initiator comprises one or more of azobisisobutyronitrile, azobisisoheptonitrile, sodium bisulfite, tert-butyl hydroperoxide, benzoyl peroxide, lauroyl peroxide, cumene hydroperoxide, di-tert-butyl peroxide, tert-butyl peroxybenzoate, dicumyl peroxide, cyclohexanone peroxide, tert-butyl peroxypivalate, methyl ethyl ketone peroxide, diisopropyl peroxydicarbonate, dicyclohexyl peroxydicarbonate, sodium persulfate, potassium persulfate and ammonium persulfate.
6. The preparation method of claim 1, wherein the antioxidant is 1010 and is contained in an amount of 0.2-0.8 parts.
7. The preparation method according to claim 1, wherein the antioxidant is an antioxidant 1076 or an antioxidant 264, and the content is 0.5-1.5 parts.
8. A hydrophilic modified polypropylene material, which is characterized by being prepared by the preparation method of any one of claims 1 to 6.
9. A fiber prepared from the hydrophilically modified polypropylene material of claim 8.
10. The fiber according to claim 9, wherein the fiber is used in the fields of clothing, home textiles, and medical supplies.
CN202111514536.1A 2021-12-13 2021-12-13 Hydrophilic modified polypropylene material, preparation method thereof and fiber Pending CN114133488A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278022A (en) * 1969-02-21 1972-06-14 Ca Atomic Energy Ltd A process for enhancing the dyeability of polypropylene
US6028146A (en) * 1994-08-26 2000-02-22 Borealis A/S Free radical grafting of monomers onto polypropylene resins
CN101724128A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Preparation method of maleic anhydride drafted polypropylene resin graft polymer
CN106432614A (en) * 2016-10-26 2017-02-22 山东省科学院能源研究所 Method of promoting polyolefin grafting reaction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1278022A (en) * 1969-02-21 1972-06-14 Ca Atomic Energy Ltd A process for enhancing the dyeability of polypropylene
US6028146A (en) * 1994-08-26 2000-02-22 Borealis A/S Free radical grafting of monomers onto polypropylene resins
CN101724128A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Preparation method of maleic anhydride drafted polypropylene resin graft polymer
CN106432614A (en) * 2016-10-26 2017-02-22 山东省科学院能源研究所 Method of promoting polyolefin grafting reaction

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