CN114656744B - Low-odor PP/AS/POK ternary composite resin, cosmetic packaging material and preparation method thereof - Google Patents
Low-odor PP/AS/POK ternary composite resin, cosmetic packaging material and preparation method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of polymer composite materials, and discloses a low-odor PP/AS/POK ternary composite resin and cosmetic packaging material. Through modification of PP resin and addition of the organic-inorganic composite toughening agent, the compatibility of the PP resin with AS resin and POK resin is improved by multiple factors, the comprehensive performance of the composite resin is improved, and the cosmetic packaging material prepared from the composite resin has good mechanical properties such AS rigidity and toughness, appearance and texture close to glass materials, and low odor.
Description
Technical Field
The invention belongs to the technical field of polymer composite materials, and particularly relates to a low-odor PP/AS/POK ternary composite resin, a cosmetic package material and a preparation method thereof.
Background
The cosmetic packaging material is a cosmetic packaging material and mainly comprises a glass material and a plastic material, wherein the plastic material is used as a main material of the cosmetic packaging due to the advantages of light weight, convenience in transportation and carrying and the like. The cosmetics are directly contacted with human skin, and have strict requirements on the safety, smell and the like of the packing material. For liquid and milky cosmetics, a plastic material having good rigidity and toughness is generally used to prepare a hard packaging material such as a bottle because of its good fluidity.
Different resins have different properties, and multiple resins are generally adopted for compounding to obtain plastic materials with good comprehensive properties. The AS resin is styrene-acrylonitrile copolymer, and has high gloss, high transparency, high impact, good heat resistance and mechanical properties; POK (abbreviation for Polyketone) resin is a Polyketone resin obtained by copolymerization of carbon monoxide and olefins (generally ethylene and propylene) and has high flexibility and impact strength. Although PP (polypropylene) resin is hard and has a high melting point, PP resin is a non-polar high polymer, and has the disadvantages of poor rigidity, poor low-temperature impact performance, poor compatibility with other resins, and poor performance of composite resin materials, and the like, and it is necessary to modify PP resin to overcome these problems. Chinese patent CN108948533B discloses a method for improving the comprehensive mechanical properties of polypropylene composite plastics, which improves the compatibility of polypropylene and linear low density polyethylene through intermediate materials, does not modify the polypropylene molecular chain itself, and realizes the increase of compatibility among different resins by simply relying on the connection effect of the intermediate materials, and the improvement effect of the compatibility among the resins is not good. Chinese patent CN108192027B discloses a polar polypropylene graft and a preparation method thereof, wherein the polar polypropylene graft is prepared by introducing an initiator monomer, the performance of polypropylene itself can be improved, and the compatibility with other polymers can be improved, but the improvement effect of the compatibility with other polymers only depends on the activity of an active functional group introduced by the initiator monomer, and the improvement degree is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a low-odor PP/AS/POK ternary composite cosmetic packaging material which has good mechanical properties such AS rigidity, toughness and the like, has appearance and texture similar to those of a glass material, and meanwhile, in the preparation process of the low-odor PP/AS/POK ternary composite cosmetic packaging material, the specific surface area of nano silicon dioxide which is one of the raw materials in an organic-inorganic composite toughening agent is large, so that the low-odor PP/AS/POK ternary composite cosmetic packaging material can effectively adsorb odor micromolecule substances, and the prepared composite cosmetic packaging material has the characteristic of low odor.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a preparation method of a low-odor PP/AS/POK ternary composite cosmetic package material comprises the following steps: melting and blending the modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant, and then extruding, cooling and dicing to obtain PP/AS/POK ternary composite resin; the melt blending temperature is 200-220 ℃; processing the PP/AS/POK ternary composite resin into a cosmetic packaging material; the modified PP resin is prepared by the following steps: carrying out melt blending, extrusion and grain cutting on PP resin, an acrylamide monomer, a peroxidation initiator and styrene to obtain modified PP resin; the melt blending temperature is 150-170 ℃; the organic-inorganic composite toughening agent is prepared by the following steps: adding gamma-aminopropyltriethoxysilane into toluene, mixing and dispersing, adding nano-silica, reacting, performing suction filtration, alcohol washing and drying to obtain amino modified nano-silica; the reaction temperature is 70-80 ℃, and the reaction time is 2-3 h; the amino modified nano silicon dioxide and ethylene glycol dimethyl ether are placed in toluene, a catalyst p-nitrobenzoic acid is added, the reaction lasts for 8-10 hours at the temperature of 75-85 ℃, and the organic-inorganic composite toughening agent is prepared after suction filtration, alcohol washing and drying.
When the amino modified nano silicon dioxide and the organic-inorganic composite toughening agent are prepared, absolute ethyl alcohol is adopted for washing for 3-5 times in alcohol washing, and the drying temperature is 50-60 ℃.
Preferably, the mass ratio of the modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant is (10-50): (10-50): (1-10): (1-5).
Preferably, in the preparation process of the modified PP resin, the mass ratio of the PP resin to the acrylamide monomer to the peroxidation initiator to the styrene is (30-50): (5-15): (0.01-0.1): (1-5).
In the preparation process of the amino modified nano silicon dioxide, the mass ratio of the toluene to the gamma-aminopropyl triethoxysilane to the nano silicon dioxide is (50-100) to (10-30) to (3-10).
Preferably, in the preparation process of the organic-inorganic composite toughening agent, the mass ratio of the amino modified nano silicon dioxide, the ethylene glycol dimethyl ether, the toluene and the p-nitrobenzoic acid is 15:10 (40-80) to (1.25-2.5).
The p-nitrobenzoic acid is 10% by mass of p-nitrobenzoic acid aqueous solution (namely, 10g of p-nitrobenzoic acid is contained in 100g of p-nitrobenzoic acid aqueous solution).
Preferably, the peroxide initiator comprises any one of dibenzoyl peroxide and dicumyl peroxide.
Preferably, the antioxidant comprises any one of antioxidant 1010 (pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate) and antioxidant 1076 (octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
A low-odor PP/AS/POK ternary composite cosmetic package is prepared from modified PP resin, AS resin, POK resin, organic-inorganic composite toughening agent and antioxidant.
Preferably, the cosmetic packaging material is a bottle-shaped packaging material; the preparation method of the bottle-shaped packaging material comprises any one of the injection molding-blow molding process and the extrusion-blow molding process in the prior art.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the PP resin (polypropylene resin) is subjected to graft modification, and the polar group is introduced to improve the compatibility of the nonpolar PP resin with AS resin and POK resin; the inorganic nano particles are used as a toughening agent, so that the toughness of a resin matrix can be effectively improved, the glycol dimethyl ether has a structure similar to polyether polyol, can be used as an organic toughening agent, and also can be used for increasing the toughness of the resin matrix; the two ends of the molecular chain of ethylene glycol dimethyl ether are in a hemiacetal structure and are easy to react with amino, so that amino modified nano silicon dioxide and acrylamide grafted polypropylene are connected through a stable chemical bond (acetal), on one hand, the compatibility of the nano silicon dioxide and PP resin is further improved, on the other hand, the volatilization or decomposition of the organic toughening agent ethylene glycol dimethyl ether with relatively low boiling point during high-temperature melting is prevented, the stability of the organic toughening agent in a system is improved, and in addition, more polar groups (hydroxyl, ether, amido and acetal) are introduced into the PP resin, the compatibility of the PP resin and other resins is improved, particularly, hydrogen bonds can be generated between the POK resin and a large amount of hydroxyl on the surface of the nano silicon dioxide, amido hydrogen generated after the silane coupling agent reacts with the ethylene glycol dimethyl ether, and amido hydrogen generated after the acrylamide grafted polypropylene reacts with the ethylene glycol dimethyl ether, the compatibility of the PP resin and the POK resin is enhanced; the nano silicon dioxide and the silane coupling agent react to form ether bonds to connect the nano silicon dioxide and the silane coupling agent, amino on the silane coupling agent reacts with hydroxyl on a hydroxymethyl ether (namely, hemiacetal) structure at the end position of a glycol dimethyl ether molecular chain to form an acetal structure, amino on the silane coupling agent reacts with hydroxyl on the glycol dimethyl ether molecular chain to form the acetal structure, under the influence of factors such as steric hindrance, electronic effect, raw material additives and the like, hydroxyl which does not participate in the reaction on the glycol dimethyl ether reacts with amino on acrylamide modified polypropylene to form the acetal structure, when the two acetal structures connect the amino modified nano silicon dioxide and the modified PP resin, a long branched chain is formed on the PP, and when the PP of the long branched chain is fused with other resins, the long branched chain with more polar groups is tightly intertwined with molecular chains of other resins, therefore, the binding capacity of the PP resin with the AS resin and the POK resin is improved on the whole, the compatibility of the PP resin with the AS resin and the POK resin is improved deeply, and the comprehensive mechanical property of the composite resin is further enhanced; under the action of a peroxide initiator, an acrylamide monomer is grafted to a polypropylene macromolecular chain of PP resin to prepare polypropylene grafted acrylamide, but under the excitation of peroxide, the molecular chain of polypropylene is broken to degrade the polypropylene, and the degradation of PP can be effectively inhibited by adding styrene. Styrene has pungent odor, and the nano-silica has very large specific surface area, so that styrene monomers and residual micromolecular substances in various resins can be adsorbed and prepared, and the prepared composite resin has no odor; under the action of the multiple factors, the resins have very good compatibility, effective compatibility of the three resins can be realized without adding a compatilizer additionally, and the comprehensive performance of the composite resin material is improved; the PP/AS/POK ternary composite resin integrates the characteristics of three resins, has good rigidity, good plasticity and good toughness of a hard packaging material, overcomes the brittleness problem of the material, has good glossiness, and has the appearance and texture of a glass packaging material.
Drawings
FIG. 1 is a schematic diagram of the preparation of PP/AS/POK ternary complex cosmetic packaging material.
FIG. 2 is a schematic diagram of the preparation of an organic-inorganic composite toughener.
FIG. 3 is a schematic diagram of the preparation of a modified PP resin.
FIG. 4 is a bar graph of the mechanical property test results of PP/AS/POK ternary composite resins prepared in examples 3-10 and comparative examples 1-4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
Preparation of modified PP resin: and (2) melting and blending the PP resin, the acrylamide monomer, the dibenzoyl peroxide and the styrene in a mass ratio of 10:1:0.1:0.1 at 150 ℃ for 8min, extruding and granulating to obtain the acrylamide modified PP resin.
Example 2
Preparing an organic-inorganic composite toughening agent: the first step is as follows: adding gamma-aminopropyltriethoxysilane into toluene, mixing and dispersing, adding nano-silica, reacting at 78 deg.C for 2h, vacuum filtering, washing with anhydrous ethanol for 3 times, and oven drying at 50 deg.C to obtain amino modified nano-silica;
wherein, the mass ratio of the toluene, the gamma-aminopropyltriethoxysilane and the nano silicon dioxide in the first step is 50:10: 3;
the second step is that: placing amino modified nano silicon dioxide and ethylene glycol dimethyl ether in toluene, adding a catalyst p-nitrobenzoic acid, reacting for 8 hours at 85 ℃, carrying out suction filtration, washing for 3 times by using absolute ethyl alcohol, and drying at 50 ℃ to prepare an organic-inorganic composite toughening agent;
wherein the mass ratio of the amino modified nano silicon dioxide, the ethylene glycol dimethyl ether, the toluene and the p-nitrobenzoic acid in the second step is 15:10:50: 1.5;
wherein, the p-nitrobenzoic acid is 10 percent of p-nitrobenzoic acid aqueous solution (namely, 10g of p-nitrobenzoic acid is contained in 100g of p-nitrobenzoic acid aqueous solution).
Example 3
Preparing PP/AS/POK ternary composite resin: the preparation method comprises the steps of melting and blending acrylamide modified PP resin, AS resin, POK resin, an organic-inorganic composite toughening agent and an antioxidant 1010 at the mass ratio of 10:10:10:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 4
Preparing PP/AS/POK ternary composite resin: the preparation method comprises the steps of melting and blending acrylamide modified PP resin, AS resin, POK resin, an organic-inorganic composite toughening agent and an antioxidant 1010 at the mass ratio of 10:10:50:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 5
Preparing PP/AS/POK ternary composite resin: the preparation method comprises the following steps of melting and blending acrylamide modified PP resin, AS resin, POK resin, an organic-inorganic composite toughening agent and an antioxidant 1010 at the mass ratio of 10:50:50:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 6
Preparing PP/AS/POK ternary composite resin: and (2) melting and blending the acrylamide modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant 1010 at the mass ratio of 50:10:10:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 7
Preparing PP/AS/POK ternary composite resin: and (2) melting and blending the acrylamide modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant 1010 at the mass ratio of 50:50:10:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 8
Preparing PP/AS/POK ternary composite resin: and (2) melting and blending the acrylamide modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant 1010 at the mass ratio of 50:10:50:1:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 9
Preparing PP/AS/POK ternary composite resin: the preparation method comprises the steps of melting and blending acrylamide modified PP resin, AS resin, POK resin, an organic-inorganic composite toughening agent and an antioxidant 1010 at the mass ratio of 10:10:10:10:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 10
Preparing PP/AS/POK ternary composite resin: the preparation method comprises the steps of melting and blending acrylamide modified PP resin, AS resin, POK resin, an organic-inorganic composite toughening agent and an antioxidant 1010 at the mass ratio of 10:10:10:5:1 at 210 ℃ for 6min, extruding, cooling and granulating to obtain the PP/AS/POK ternary composite resin.
Example 11
The PP/AS/POK ternary composite resins prepared in the examples 3-10 are respectively processed into bottle-shaped cosmetic packages by an injection molding-blow molding process.
In example 1, the PP resin was PP-H (homopolypropylene) resin (supplied by Taiwan chemical fiber Co., Ltd., cat # 20201012); in example 2, the nano-silica is mesoporous silica SBA-15 (average pore diameter is 5-10nm, specific surface area is more than or equal to 600 m) 2 (iv)/g, provided by Shandong android chemical Co., Ltd.); in examples 3 to 10, the acrylamide modified PP resins were all prepared in example 1, the organic-inorganic composite tougheners were all prepared in example 2, and the AS resin was provided in qimei, taiwan, cat #: PN-107L125 FG; the POK resin is manufactured by Korea Xiaoxing company, model No.: M630F.
Comparative example 1
In comparison with example 3, in comparative example 1, the acrylamide-modified PP resin was replaced with the same PP resin as in example 1 (i.e., an unmodified PP resin), and the other conditions were not changed.
Comparative example 2
Compared with example 3, in comparative example 2, the organic-inorganic composite toughening agent is replaced by the same nano silica as in example 2 (namely, the toughening agent is a pure inorganic toughening agent), and other conditions are not changed.
Comparative example 3
Compared with the example 3, in the comparative example 3, the organic-inorganic composite toughening agent is replaced by the amino modified nano silicon dioxide prepared in the example 2 (namely, the toughening agent is an inorganic toughening agent modified by organic groups), and other conditions are not changed.
Comparative example 4
Compared with example 3, in comparative example 4, the organic-inorganic composite toughening agent is replaced by ethylene glycol dimethyl ether (i.e. the toughening agent is a pure organic toughening agent), and other conditions are not changed.
Test examples
The PP/AS/POK ternary composite resin prepared in each example and each comparative example is subjected to a performance test:
(1) and (3) odor test: odor grade test method with reference to VDA 270, the same weight of the PP/AS/POK ternary composite resins obtained in examples 3 to 10 and comparative examples 1 to 4 were placed in 12 identical glass bottles, respectively, the PP/AS/POK ternary composite resin obtained in example 3 was designated AS sample 1, the PP/AS/POK ternary composite resin obtained in example 4 was designated AS sample 2, the PP/AS/POK ternary composite resin obtained in example 5 was designated AS sample 3, the PP/AS/POK ternary composite resin obtained in example 6 was designated AS sample 4, the PP/AS/POK ternary composite resin obtained in example 7 was designated AS sample 5, the PP/AS/POK ternary composite resin obtained in example 8 was designated AS sample 6, the PP/AS/POK ternary composite resin obtained in example 9 was designated AS sample 7, the PP/AS/POK ternary composite resin prepared in the example 10 is taken AS a sample 8, the PP/AS/POK ternary composite resin prepared in the comparative example 1 is taken AS a sample 9, the PP/AS/POK ternary composite resin prepared in the comparative example 2 is taken AS a sample 10, the PP/AS/POK ternary composite resin prepared in the comparative example 3 is taken AS a sample 11, the PP/AS/POK ternary composite resin prepared in the comparative example 4 is taken AS a sample 12, after an odorless gasket and a bottle cap are sealed, 12 glass bottles containing the resin samples are placed in an oven and heated at 80 ℃ for 2 hours, 5 odor judges with normal smell are selected, the odor of each heated sample is evaluated, and the evaluation result is divided into 6 grades: 1-no off-flavor; 2-slightly smelling; 3-tasting but not irritating; 4-pungent odor; 5-strong pungent odor; 6-intolerable odor, taking the arithmetic mean of the evaluation results of each odor evaluator, and the odor test results are shown in Table 1:
TABLE 1
(2) And (3) testing mechanical properties:
1) and (3) testing tensile property: the test method refers to the tensile property of GB/T1040 plastics, the PP/AS/POK ternary composite resins prepared in examples 3-10 and comparative examples 1-4 are respectively processed into 1A dumbbell-shaped samples with the thickness of 4mm by injection molding according to the standard requirements, the two ends of the samples are clamped, and the samples are stretched at the speed of 10 mm/min;
2) and (3) testing impact strength: the test method refers to the determination of the impact strength of GB/T1843-2008 plastic cantilever beams, the PP/AS/POK ternary composite resins prepared in the examples 3-10 and the comparative examples 1-4 are respectively processed into an A-type sample with the notch bottom radius of 0.25mm by injection molding according to the standard requirements, the sample is fixed, the pendulum is released, and the impact energy absorbed by the sample is recorded; the mechanical property test results are shown in table 2:
TABLE 2
AS can be seen from table 1, samples 1 to 8 (the PP/AS/POK ternary composite resins prepared in the embodiments of the present invention) all had low odor, and especially, sample 7 (the PP/AS/POK ternary composite resin prepared in embodiment 9) and sample 8 (the PP/AS/POK ternary composite resin prepared in embodiment 10) had high dosage ratio of the organic-inorganic composite toughening agent in the preparation of the composite resin, i.e., the content of the nano-silica was high, and the effect of adsorbing various odorous small molecules was good, so that the product was odorless; sample 9 (PP/AS/POK ternary composite resin prepared in comparative example 1) PP resin is not modified, styrene with pungent smell is not introduced into the system, and in addition, the adsorption performance of the nano silica in the added organic-inorganic toughening agent can adsorb odorous small molecules possibly remaining in other raw materials, so the PP/AS/POK ternary composite resin prepared in comparative example 1 has no smell; in sample 10 (the PP/AS/POK ternary composite resin prepared in comparative example 2), the toughening agent is pure inorganic toughening agent nano silicon dioxide, the adsorption performance of the nano silicon dioxide is weakened due to agglomeration of the nano silicon dioxide and poor dispersibility in the resin, and the prepared PP/AS/POK ternary composite resin is slightly odorous but not irritating; in sample 11 (the PP/AS/POK ternary composite resin prepared in the comparative example 3), the toughening agent is inorganic toughening agent amino modified nano silicon dioxide modified by organic groups, the dispersibility of the modified silicon dioxide is enhanced, the adsorption capacity is equivalent to that of the sample 1, and the prepared PP/AS/POK ternary composite resin has low odor; in sample 12 (PP/AS/POK ternary composite resin prepared in comparative example 4), the toughening agent is ethylene glycol dimethyl ether, and the raw material with adsorption is lacked, so that the prepared PP/AS/POK ternary composite resin has pungent smell.
As can be seen from Table 2, the PP/AS/POK ternary composite resin prepared by the embodiments of the invention has excellent tensile property and impact resistance, integrates the advantages of different resins, and realizes the balanced improvement of the rigidity and toughness of the composite resin. Compared with the examples 3-5, the mass ratio of the organic-inorganic composite toughening agent to the three resin raw materials in the examples 6-8 is greatly reduced, the toughening effect on the composite resin is reduced, meanwhile, the amount of long chain branches formed by reaction on the PP resin is reduced during melting, the molecular chain interlacing capability with other resins is weakened, and the rigidity and toughness of the composite resin are weakened, namely the tensile strength and the impact strength of the composite resin are reduced; on the contrary, in examples 9-10, the mass ratio of the organic-inorganic composite toughening agent to the three resin raw materials is greatly improved, the toughening effect on the composite resin is increased, and simultaneously, the amount of long-chain branches formed by reaction on the PP resin is increased during melting, in the process of melt blending, not only the main molecular chain of the PP resin is mutually bonded and intertwined with the molecular chain of the AS resin and the molecular chain of the POK resin, but also the formed long branched chain is mutually bonded and intertwined with the molecular chain of the AS resin and the molecular chain of the POK resin, the three resins are closely compatible, the respective superior performances of the three resins are effectively integrated, the comprehensive performances such as rigidity, toughness and the like of the composite resin are improved, the tensile strength and impact strength of the composite resin are obviously improved, and the problem that the rigidity and toughness of the traditional plastic material are difficult to improve simultaneously is solved; in the comparative example 1, the unmodified PP resin is adopted, so that the compatibility with AS resin and POK resin is poor, and long-chain branches cannot be formed by reaction between the unmodified PP resin and the organic-inorganic composite toughening agent, so that the prepared composite resin is difficult to realize the synergistic improvement of the performances of the three resins, and the tensile strength and the impact strength of the composite resin are obviously reduced; in comparative example 2, the dispersibility of the nano-silica in the system is reduced, the toughening effect on the system is reduced, long-chain branches cannot be formed on the PP resin, the bonding performance of the PP resin with the AS resin and the POK resin is reduced, and the mechanical property of the composite resin is also obviously reduced; in comparative example 3, the amino-modified nano silica is used, so that the amino-modified nano silica is not easily combined with the acrylamide modified PP resin to form a long-chain branch, but has a certain effect on improving the dispersibility of the nano silica, namely improving the toughness of the composite resin, and the mechanical property of the composite resin is between that of example 3 and comparative example 2; in comparative example 4, only ethylene glycol dimethyl ether was used as the toughening agent, and since the melting point of ethylene glycol dimethyl ether was relatively low, it was easily volatilized during the melting process, lost the toughening effect, and was not easily combined with the PP resin, the mechanical properties of the prepared composite resin were also significantly reduced.
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 (10)
1. The PP/AS/POK ternary composite resin is characterized by comprising the following steps: melting and blending the modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant, and then extruding, cooling and dicing to obtain PP/AS/POK ternary composite resin; the modified PP resin is prepared by the following steps: carrying out melt blending, extrusion and grain cutting on PP resin, an acrylamide monomer, a peroxidation initiator and styrene to obtain modified PP resin; the organic-inorganic composite toughening agent is prepared by the following steps: adding gamma-aminopropyltriethoxysilane into toluene, mixing and dispersing, adding nano-silica, reacting, performing suction filtration, alcohol washing and drying to obtain amino modified nano-silica; the amino modified nano silicon dioxide and ethylene glycol dimethyl ether are placed in toluene, a catalyst p-nitrobenzoic acid is added, and after reaction, the organic-inorganic composite toughening agent is prepared through suction filtration, alcohol washing and drying.
2. The method for preparing the low-odor PP/AS/POK ternary composite cosmetic packaging material by adopting the PP/AS/POK ternary composite resin AS claimed in claim 1, wherein the PP/AS/POK ternary composite resin is processed into the cosmetic packaging material.
3. The method of claim 2, wherein the mass ratio of the modified PP resin, the AS resin, the POK resin, the organic-inorganic composite toughening agent and the antioxidant is (10-50): 10-50: (1-10): 1-5.
4. The method of claim 2, wherein the modified PP resin is prepared in a mass ratio of PP resin, acrylamide monomer, peroxide initiator and styrene of (30-50): 5-15): 0.01-0.1): 1-5.
5. The method as claimed in claim 2, wherein the mass ratio of the toluene, the gamma-aminopropyltriethoxysilane and the nano-silica in the preparation process of the amino-modified nano-silica is (50-100): (10-30): (3-10).
6. The method as claimed in claim 2, wherein in the preparation process of the organic-inorganic composite toughening agent, the mass ratio of the amino modified nano-silica to the glycol dimethyl ether to the toluene to the p-nitrobenzoic acid is 15:10 (40-80) to (1.25-2.5).
7. The method of claim 2, wherein the peroxide initiator comprises any one of dibenzoyl peroxide and dicumyl peroxide.
8. The method of claim 2, wherein the antioxidant comprises any one of antioxidant 1010 and antioxidant 1076.
9. The method as claimed in claim 2, wherein the organic-inorganic composite toughening agent is prepared by placing amino modified nano-silica and ethylene glycol dimethyl ether in toluene, adding a catalyst of p-nitrobenzoic acid, reacting at 75-85 ℃ for 8-10h, and carrying out suction filtration, alcohol washing and drying.
10. A low odor PP/AS/POK ternary complex cosmetic package prepared by the method of any of claims 2-9.
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