CN112409781A - Anti-aging nylon modified elastomer and preparation method thereof - Google Patents
Anti-aging nylon modified elastomer and preparation method thereof Download PDFInfo
- Publication number
- CN112409781A CN112409781A CN202010294040.7A CN202010294040A CN112409781A CN 112409781 A CN112409781 A CN 112409781A CN 202010294040 A CN202010294040 A CN 202010294040A CN 112409781 A CN112409781 A CN 112409781A
- Authority
- CN
- China
- Prior art keywords
- parts
- nylon
- weight
- mixture
- aging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004677 Nylon Substances 0.000 title claims abstract description 84
- 229920001778 nylon Polymers 0.000 title claims abstract description 84
- 229920001971 elastomer Polymers 0.000 title claims abstract description 49
- 239000000806 elastomer Substances 0.000 title claims abstract description 49
- 230000003712 anti-aging effect Effects 0.000 title abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 62
- 230000032683 aging Effects 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 32
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims abstract description 25
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims abstract description 25
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical class OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 claims abstract description 24
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000005977 Ethylene Substances 0.000 claims abstract description 24
- 235000008582 Pinus sylvestris Nutrition 0.000 claims abstract description 22
- 241000218626 Pinus sylvestris Species 0.000 claims abstract description 22
- 229920005556 chlorobutyl Polymers 0.000 claims abstract description 22
- 239000001839 pinus sylvestris Substances 0.000 claims abstract description 22
- 239000004698 Polyethylene Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 16
- 229920000573 polyethylene Polymers 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000011049 filling Methods 0.000 claims abstract description 13
- 239000013538 functional additive Substances 0.000 claims abstract description 9
- 238000012644 addition polymerization Methods 0.000 claims abstract description 8
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 36
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 12
- 239000003063 flame retardant Substances 0.000 claims description 12
- 229920001911 maleic anhydride grafted polypropylene Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 229920002292 Nylon 6 Polymers 0.000 claims description 11
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 11
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 9
- 230000003078 antioxidant effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 claims description 2
- 229920000571 Nylon 11 Polymers 0.000 claims description 2
- 229920000299 Nylon 12 Polymers 0.000 claims description 2
- 229920003189 Nylon 4,6 Polymers 0.000 claims description 2
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 2
- 239000003755 preservative agent Substances 0.000 claims description 2
- 230000002335 preservative effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 239000004606 Fillers/Extenders Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 239000000126 substance Substances 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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an anti-aging nylon modified elastomer and a preparation method thereof, belonging to the field of nylon modified elastomers, and the following scheme is proposed, wherein the anti-aging nylon modified elastomer is composed of the following raw materials in parts by weight: 50-200 parts of hard nylon, 5-40 parts of chlorinated butyl rubber, 3-30 parts of pinus sylvestris lignocellulose, 3-10 parts of functional additives, 35-80 parts of filling oil, 20-70 parts of compatilizer, 5-10 parts of graphene, 1-3 parts of o-hydroxybenzophenone derivatives, 1-3 parts of ethylene and 1-3 parts of 2, 6-di-tert-butyl-p-cresol, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivatives to obtain a mixture A; mixing the hard nylon, the chlorinated butyl rubber, the pinus sylvestris lignocellulose, the filling oil and the compatilizer in parts by weight to obtain a mixture B. The invention has reasonable components, good aging resistance and low cost, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of nylon modified elastomers, in particular to an anti-aging nylon modified elastomer and a preparation method thereof.
Background
Nylon is used as the first large engineering plastic, has various types, has excellent mechanical properties, wear resistance, self-lubricating property, chemical resistance, oil resistance, solvent resistance and other properties, and is widely applied to the fields of transportation, electronics, electricity, machinery and the like. However, nylon is easily embrittled at low temperature or in a dry state, has poor impact resistance, and does not have high elasticity of an elastomer, and therefore, it is necessary to improve the impact resistance of nylon by toughening and modifying nylon.
The existing nylon elastomer is prepared by a thermoplastic elastomer, and is rarely prepared by hard segment nylon, the yield of the hard segment nylon is high, the cost is low, the ageing resistance of the existing nylon elastomer is weak, and the existing nylon elastomer is easy to age under sunlight or high temperature, so that the service life is influenced.
The patent application number CN201711417157.4 provides a thermoplastic elastomer material for coating glass fiber reinforced nylon and a preparation method thereof, the specific material selection and proportion of styrene block copolymer are adjusted, the mineral material is modified, and the compatibility of each component is adjusted, so that the obtained thermoplastic elastomer material has strong bonding force of the coated glass fiber reinforced nylon, high melt index, good fluidity and better processing performance, and the surface of the substrate has no soft glue residue when being stripped and recovered, and can be widely applied to coating of various tool handles of glass fiber reinforced nylon substrates; however, the anti-aging performance is poor, and the anti-aging capacity cannot be well achieved only by adding the anti-aging agent, so that the invention provides the anti-aging nylon modified elastomer and the preparation method thereof.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an anti-aging nylon modified elastomer and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an aging-resistant nylon modified elastomer is composed of the following raw materials in parts by weight: 50-200 parts of hard nylon, 5-40 parts of chlorinated butyl rubber, 3-30 parts of pinus sylvestris lignocellulose, 3-10 parts of functional additives, 35-80 parts of filling oil, 20-70 parts of compatilizers, 5-10 parts of graphene, 1-3 parts of o-hydroxybenzophenone derivatives, 1-3 parts of ethylene, 1-3 parts of 2, 6-di-tert-butyl-p-cresol, 10101-3 parts of antioxidants, 1-3 parts of triethylene diamine and 1-3 parts of 2, 5-furandione.
Preferably, the feed consists of the following raw materials in parts by weight: 60 parts of hard segment nylon, 6 parts of chlorinated butyl rubber, 5.5 parts of pinus sylvestris lignocellulose, 3.5 parts of functional additives, 35 parts of filling oil, 30 parts of compatilizer, 6 parts of graphene, 1.5 parts of o-hydroxybenzophenone derivatives, 1.5 parts of ethylene, 1.3 parts of 2, 6-di-tert-butyl-p-cresol, 10101.3 parts of antioxidant, 1.3 parts of triethylene diamine and 1.0 part of 2, 5-furandione.
Preferably, the feed consists of the following raw materials in parts by weight: 78 parts of hard segment nylon, 12 parts of chlorinated butyl rubber, 7 parts of pinus sylvestris lignocellulose, 4.0 parts of functional additives, 42 parts of filling oil, 33 parts of compatilizers, 6.2 parts of graphene, 1.6 parts of o-hydroxybenzophenone derivatives, 1.6 parts of ethylene, 1.5 parts of 2, 6-di-tert-butyl-p-cresol, 10101.5 parts of antioxidants, 1.5 parts of triethylene diamine and 1.2 parts of 2, 5-furandione.
Preferably, the feed consists of the following raw materials in parts by weight: 105 parts of hard segment nylon, 20 parts of chlorinated butyl rubber, 15 parts of pinus sylvestris lignocellulose, 6 parts of functional additives, 50 parts of filling oil, 40 parts of compatilizer, 6.5 parts of graphene, 1.8 parts of o-hydroxybenzophenone derivatives, 1.8 parts of ethylene, 1.7 parts of 2, 6-di-tert-butyl-p-cresol, 10101.7 parts of antioxidant, 1.7 parts of triethylene diamine and 1.5 parts of 2, 5-furandione.
Preferably, the hard nylon is one or more of nylon 6, nylon 66, nylon 46, nylon 610, nylon 1010, nylon 11 and nylon 12.
Preferably, the hard nylon is a mixture of nylon 6 and nylon 66, and the weight ratio of nylon 6 to nylon 66 is 2: 1 to 2.
Preferably, the filling oil is naphthenic oil, the compatilizer is maleic anhydride grafted polypropylene, and the functional auxiliary agent is one or two of a flame retardant and a preservative.
A preparation method of an aging-resistant nylon modified elastomer comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the hard nylon, the chlorinated butyl rubber, the pinus sylvestris lignocellulose, the filling oil and the compatilizer in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 60-90 ℃, adjusting the rotating speed to be 100-130 r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 20-30 min to obtain a mixture C;
s4, putting the mixture A, the functional assistant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to be 50-60 ℃, adjusting the rotating speed to be 50-80 r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 60-120 min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
Preferably, in S3, the mixture B is placed in a reaction tank, the temperature is set to 70 ℃, the rotation speed is adjusted to 110r/min, and then the graphene in the above weight parts is placed in the reaction tank and stirred for 25min, so as to obtain a mixture C.
Preferably, in S4, the mixture a, the functional assistant, 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, triethylene diamine, and 2, 5-furandione in parts by weight are all put into a reaction tank, the temperature is adjusted to 55 ℃, the rotation speed is adjusted to 70r/min, and then the graphene in parts by weight is put into the reaction tank, and the mixture is stirred for 80min, so as to obtain a mixture D.
Compared with the prior art, the invention has the beneficial effects that: the anti-ultraviolet aging performance of the invention can be improved through the synergistic effect of the o-hydroxybenzophenone derivative and ethylene, and is much stronger than the existing anti-ultraviolet aging performance, and the anti-ultraviolet aging performance of the invention is synergistic with 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, triethylene diamine and 2, 5-furandione, so that the anti-aging performance of the invention in multiple aspects of ultraviolet ray, high temperature, oxidation and the like is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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.
Example one
The invention provides an anti-aging nylon modified elastomer which is prepared from the following raw materials in parts by weight: 660 parts of nylon, 6 parts of chlorinated butyl rubber, 5.5 parts of pinus sylvestris lignocellulose, 3.5 parts of a flame retardant, 35 parts of naphthenic oil, 30 parts of maleic anhydride grafted polypropylene, 6 parts of graphene, 1.5 parts of an o-hydroxybenzophenone derivative, 1.5 parts of ethylene, 1.3 parts of 2, 6-di-tert-butyl-p-cresol, 10101.3 parts of an antioxidant, 1.3 parts of triethylene diamine and 1.0 part of 2, 5-furandione.
The invention provides a preparation method of an aging-resistant nylon modified elastomer, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the nylon 6, the chlorinated butyl rubber, the pinus sylvestris wood cellulose, the naphthenic oil and the maleic anhydride grafted polypropylene in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 60 ℃, adjusting the rotating speed to be 105r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 21min to obtain a mixture C;
s4, putting the mixture A, the flame retardant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to 52 ℃ and the rotating speed to 52r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 65min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
Example two
The invention provides an anti-aging nylon modified elastomer which is prepared from the following raw materials in parts by weight: nylon 678 parts, chlorinated butyl rubber 12 parts, pinus sylvestris lignocellulose 7 parts, flame retardant 4.0 parts, naphthenic oil 42 parts, maleic anhydride grafted polypropylene 33 parts, graphene 6.2 parts, o-hydroxybenzophenone derivative 1.6 parts, ethylene 1.6 parts, 2, 6-di-tert-butyl-p-cresol 1.5 parts, antioxidant 10101.5 parts, triethylene diamine 1.5 parts, and 2, 5-furandione 1.2 parts.
The invention provides a preparation method of an aging-resistant nylon modified elastomer, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the nylon 6, the chlorinated butyl rubber, the pinus sylvestris wood cellulose, the naphthenic oil and the maleic anhydride grafted polypropylene in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 70 ℃, adjusting the rotating speed to be 110r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 23min to obtain a mixture C;
s4, putting the mixture A, the flame retardant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to 53 ℃ and the rotating speed to 60r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 70min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
EXAMPLE III
The invention provides an anti-aging nylon modified elastomer which is prepared from the following raw materials in parts by weight: nylon 652.5 parts, nylon 6652.5 parts, chlorinated butyl rubber 20 parts, pinus sylvestris lignocellulose 15 parts, flame retardant 6 parts, naphthenic oil 50 parts, maleic anhydride grafted polypropylene 40 parts, graphene 6.5 parts, o-hydroxybenzophenone derivative 1.8 parts, ethylene 1.8 parts, 2, 6-di-tert-butyl-p-cresol 1.7 parts, antioxidant 10101.7 parts, triethylene diamine 1.7 parts, and 2, 5-furandione 1.5 parts.
The invention provides a preparation method of an aging-resistant nylon modified elastomer, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the nylon 6, the nylon 66, the chlorinated butyl rubber, the pinus sylvestris wood cellulose, the naphthenic oil and the maleic anhydride grafted polypropylene in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 75 ℃, adjusting the rotating speed to be 120r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 25min to obtain a mixture C;
s4, putting the mixture A, the flame retardant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to 55 ℃ and the rotating speed to 60r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 80min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
Example four
The invention provides an anti-aging nylon modified elastomer which is prepared from the following raw materials in parts by weight: 690 parts of nylon, 6690 parts of nylon, 33 parts of chlorinated butyl rubber, 21 parts of pinus sylvestris lignocellulose, 7 parts of a flame retardant, 65 parts of naphthenic oil, 55 parts of maleic anhydride grafted polypropylene, 8 parts of graphene, 2.5 parts of an o-hydroxybenzophenone derivative, 2.5 parts of ethylene, 2.8 parts of 2, 6-di-tert-butyl-p-cresol, 10102.8 parts of an antioxidant, 2.8 parts of triethylene diamine and 2.6 parts of 2, 5-furandione.
The invention provides a preparation method of an aging-resistant nylon modified elastomer, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the nylon 6, the nylon 66, the chlorinated butyl rubber, the pinus sylvestris wood cellulose, the naphthenic oil and the maleic anhydride grafted polypropylene in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 70 ℃, adjusting the rotating speed to be 120r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 26min to obtain a mixture C;
s4, putting the mixture A, the flame retardant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to 56 ℃ and the rotating speed to 72r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 100min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
EXAMPLE five
The invention provides an anti-aging nylon modified elastomer which is prepared from the following raw materials in parts by weight: nylon 6100 parts, nylon 66100 parts, chlorinated butyl rubber 40 parts, pinus sylvestris lignocellulose 30 parts, flame retardant 10 parts, naphthenic oil 75 parts, maleic anhydride grafted polypropylene 60 parts, graphene 10 parts, o-hydroxybenzophenone derivative 3 parts, ethylene 3 parts, 2, 6-di-tert-butyl-p-cresol 3 parts, antioxidant 10103 parts, triethylene diamine 3 parts, and 2, 5-furandione 3 parts.
The invention provides a preparation method of an aging-resistant nylon modified elastomer, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the nylon 6, the nylon 66, the chlorinated butyl rubber, the pinus sylvestris wood cellulose, the naphthenic oil and the maleic anhydride grafted polypropylene in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 90 ℃, adjusting the rotating speed to be 130r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 30min to obtain a mixture C;
s4, putting the mixture A, the flame retardant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to be 60 ℃ and the rotating speed to be 80r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 120min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
The examples were subjected to an aging test and tested against two commercially available sets of nylon elastomers:
the materials prepared in the above examples and comparative examples were injection molded to prepare bars, in which:
(1) tensile strength: testing according to GB/T1040-2006, wherein the speed is 50 mm/min;
(2) bending strength: testing according to GB/T9341-2008, the speed is 2 mm/min;
(3) heat distortion temperature: tested according to GB/T1634.2-2004, 1.81 MPa;
(4) thermal oxidation aging: accelerating the thermal oxidation aging test for 1000h at 140 ℃;
from the above table, it can be seen that the hot air aging test of example three provides the best performance, and therefore, the aging resistance is the strongest, and the five examples of the present invention have aging resistance superior to the two sets of the comparative examples.
The invention can improve the ultraviolet aging resistance of the invention through the synergistic action of the o-hydroxybenzophenone derivative and ethylene, is much stronger than the existing ultraviolet aging resistance, and has synergistic action with 2, 6-di-tert-butyl-p-cresol, antioxidant 1010, triethylene diamine and 2, 5-furandione, thereby improving the aging resistance of the invention in multiple aspects of ultraviolet ray, high temperature, oxidation and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The aging-resistant nylon modified elastomer is characterized by comprising the following raw materials in parts by weight: 50-200 parts of hard nylon, 5-40 parts of chlorinated butyl rubber, 3-30 parts of pinus sylvestris lignocellulose, 3-10 parts of functional additives, 35-80 parts of filling oil, 20-70 parts of compatilizers, 5-10 parts of graphene, 1-3 parts of o-hydroxybenzophenone derivatives, 1-3 parts of ethylene, 1-3 parts of 2, 6-di-tert-butyl-p-cresol, 10101-3 parts of antioxidants, 1-3 parts of triethylene diamine and 1-3 parts of 2, 5-furandione.
2. The aging-resistant nylon modified elastomer as claimed in claim 1, is characterized by comprising the following raw materials in parts by weight: 60 parts of hard segment nylon, 6 parts of chlorinated butyl rubber, 5.5 parts of pinus sylvestris lignocellulose, 3.5 parts of functional additives, 35 parts of filling oil, 30 parts of compatilizer, 6 parts of graphene, 1.5 parts of o-hydroxybenzophenone derivatives, 1.5 parts of ethylene, 1.3 parts of 2, 6-di-tert-butyl-p-cresol, 10101.3 parts of antioxidant, 1.3 parts of triethylene diamine and 1.0 part of 2, 5-furandione.
3. The aging-resistant nylon modified elastomer as claimed in claim 1, is characterized by comprising the following raw materials in parts by weight: 78 parts of hard segment nylon, 12 parts of chlorinated butyl rubber, 7 parts of pinus sylvestris lignocellulose, 4.0 parts of functional additives, 42 parts of filling oil, 33 parts of compatilizers, 6.2 parts of graphene, 1.6 parts of o-hydroxybenzophenone derivatives, 1.6 parts of ethylene, 1.5 parts of 2, 6-di-tert-butyl-p-cresol, 10101.5 parts of antioxidants, 1.5 parts of triethylene diamine and 1.2 parts of 2, 5-furandione.
4. The aging-resistant nylon modified elastomer as claimed in claim 1, is characterized by comprising the following raw materials in parts by weight: 105 parts of hard segment nylon, 20 parts of chlorinated butyl rubber, 15 parts of pinus sylvestris lignocellulose, 6 parts of functional additives, 50 parts of filling oil, 40 parts of compatilizer, 6.5 parts of graphene, 1.8 parts of o-hydroxybenzophenone derivatives, 1.8 parts of ethylene, 1.7 parts of 2, 6-di-tert-butyl-p-cresol, 10101.7 parts of antioxidant, 1.7 parts of triethylene diamine and 1.5 parts of 2, 5-furandione.
5. The aging-resistant nylon modified elastomer as claimed in claim 1, wherein the hard nylon is one or more of nylon 6, nylon 66, nylon 46, nylon 610, nylon 1010, nylon 11, and nylon 12.
6. The aging-resistant nylon modified elastomer as claimed in claim 5, wherein the hard nylon is a mixture of nylon 6 and nylon 66, and the weight ratio of nylon 6 to nylon 66 is 2: 1 to 2.
7. The aging-resistant nylon modified elastomer as claimed in claim 1, wherein the extender oil is naphthenic oil, the compatibilizer is maleic anhydride grafted polypropylene, and the functional assistant is one or both of a flame retardant and a preservative.
8. A method for preparing the modified elasticity nylon with aging resistance of any one of claims 1-7, which comprises the following steps,
s1, performing addition polymerization on the ethylene in parts by weight to form polyethylene, and fully and uniformly mixing the polyethylene and the o-hydroxybenzophenone derivative to obtain a mixture A;
s2, mixing the hard nylon, the chlorinated butyl rubber, the pinus sylvestris lignocellulose, the filling oil and the compatilizer in parts by weight to obtain a mixture B;
s3, placing the mixture B into a reaction tank, setting the temperature to be 60-90 ℃, adjusting the rotating speed to be 100-130 r/min, then placing the graphene in parts by weight into the reaction tank, and stirring for 20-30 min to obtain a mixture C;
s4, putting the mixture A, the functional assistant, the 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione in parts by weight into a reaction tank, adjusting the temperature to be 50-60 ℃, adjusting the rotating speed to be 50-80 r/min, then putting the graphene in parts by weight into the reaction tank, and stirring for 60-120 min to obtain a mixture D;
and S5, stretching, cooling and cutting the material extruded by the mixture D in a double-screw extruder to obtain master batches of the ageing-resistant nylon modified elastomer, and placing the master batches into an injection molding machine for molding to obtain the ageing-resistant nylon modified elastomer.
9. The method for preparing the aging-resistant nylon modified elastomer as claimed in claim 8, wherein in step S3, the mixture B is placed in a reaction tank, the temperature is set to 70 ℃, the rotation speed is adjusted to 110r/min, and then the graphene in parts by weight is placed in the reaction tank and stirred for 25min to obtain the mixture C.
10. The method for preparing the aging-resistant nylon modified elastomer as claimed in claim 8, wherein in S4, the mixture A, the functional assistant, 2, 6-di-tert-butyl-p-cresol, the antioxidant 1010, the triethylene diamine and the 2, 5-furandione are put into a reaction tank together by weight, the temperature is adjusted to 55 ℃, the rotation speed is adjusted to 70r/min, then the graphene is put into the reaction tank by weight, and the mixture D is obtained after stirring for 80 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294040.7A CN112409781A (en) | 2020-04-15 | 2020-04-15 | Anti-aging nylon modified elastomer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294040.7A CN112409781A (en) | 2020-04-15 | 2020-04-15 | Anti-aging nylon modified elastomer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112409781A true CN112409781A (en) | 2021-02-26 |
Family
ID=74844098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010294040.7A Pending CN112409781A (en) | 2020-04-15 | 2020-04-15 | Anti-aging nylon modified elastomer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112409781A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739971A (en) * | 2014-02-12 | 2014-04-23 | 山东科技大学 | Modified graphene nylon/chlorinated isobutylene isoprene rubber (CIIR) thermoplastic elastomer |
| WO2018235905A1 (en) * | 2017-06-22 | 2018-12-27 | 国立大学法人京都大学 | Fiber-reinforced resin composition, fiber-reinforced molded body and method for producing same |
| CN109957253A (en) * | 2017-12-25 | 2019-07-02 | 联泓(江苏)新材料研究院有限公司 | A kind of thermoplastic elastic material and preparation method thereof for coating glass fiber enhanced nylon |
| US20190225808A1 (en) * | 2018-01-25 | 2019-07-25 | Ut-Battelle, Llc | Lignin-based polymers with enhanced melt extrusion ability |
| US20190256709A1 (en) * | 2018-02-16 | 2019-08-22 | Ut-Battelle, Llc | Functional lignin, and its use in producing blends, copolymers, and self-healing elastomers |
| JP2020029488A (en) * | 2018-08-21 | 2020-02-27 | 旭化成株式会社 | High-toughness polyamide-cellulose resin composition |
-
2020
- 2020-04-15 CN CN202010294040.7A patent/CN112409781A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739971A (en) * | 2014-02-12 | 2014-04-23 | 山东科技大学 | Modified graphene nylon/chlorinated isobutylene isoprene rubber (CIIR) thermoplastic elastomer |
| WO2018235905A1 (en) * | 2017-06-22 | 2018-12-27 | 国立大学法人京都大学 | Fiber-reinforced resin composition, fiber-reinforced molded body and method for producing same |
| CN109957253A (en) * | 2017-12-25 | 2019-07-02 | 联泓(江苏)新材料研究院有限公司 | A kind of thermoplastic elastic material and preparation method thereof for coating glass fiber enhanced nylon |
| US20190225808A1 (en) * | 2018-01-25 | 2019-07-25 | Ut-Battelle, Llc | Lignin-based polymers with enhanced melt extrusion ability |
| US20190256709A1 (en) * | 2018-02-16 | 2019-08-22 | Ut-Battelle, Llc | Functional lignin, and its use in producing blends, copolymers, and self-healing elastomers |
| JP2020029488A (en) * | 2018-08-21 | 2020-02-27 | 旭化成株式会社 | High-toughness polyamide-cellulose resin composition |
Non-Patent Citations (1)
| Title |
|---|
| 邢玉清编译: "《简明塑料大全》", 30 September 2002, 哈尔滨工业大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106750347B (en) | Nylon toughening agent and preparation method and application thereof | |
| CN106009449A (en) | High temperature-resistant oil-resistant thermoplastic vulcanizate and preparation method thereof | |
| CN106939099A (en) | A kind of antistatic TPV composites of dynamic vulcanization and preparation method thereof | |
| CN103665546A (en) | Method for toughening and modifying polypropylene | |
| CN112745673A (en) | High-strength and good-appearance polyamide composition and preparation method and application thereof | |
| US5198497A (en) | Polyolefin, rubber and eva-maleic anhydride terpolymer blend | |
| CN109517268B (en) | High-polarity polyolefin material and preparation method thereof | |
| CN111154237A (en) | Polyethylene terephthalate/high-density polyethylene blend and preparation method thereof | |
| CN106928624B (en) | Core-shell nylon toughening agent based on extruder process, and preparation method and application thereof | |
| CN112409781A (en) | Anti-aging nylon modified elastomer and preparation method thereof | |
| CN111154265B (en) | Silicone rubber/polybutylene succinate non-petroleum-based thermoplastic vulcanized rubber and preparation method thereof | |
| CN107541004B (en) | Load-resistant and fatigue-resistant TPE (thermoplastic elastomer) and preparation method thereof | |
| CN105885186A (en) | Polyvinylidene difluoride-based thermoplastic vulcanized rubber and preparation method thereof | |
| CN114933878B (en) | Strong plastic-lined metal pipe quick adhesive and preparation method thereof | |
| CN114213778B (en) | High-impact high-gloss HIPS material and preparation method and application thereof | |
| CN110776691B (en) | High-modulus high-impact polypropylene composite material and preparation method thereof | |
| CN108623749A (en) | Polypropylene compatibilization and toughening agent and preparation method thereof | |
| CN110066463B (en) | Self-reaction toughened polypropylene composite material | |
| CN114516990A (en) | Ethylene propylene diene monomer insulating material with high mechanical property and preparation method thereof | |
| CN112625326A (en) | Preparation method of micro-crosslinked antistatic graphene-based polyethylene composite material | |
| CN113583377A (en) | Elastomer composition for improving performance of copolymer and preparation method thereof | |
| CN112778676A (en) | TPV material formed by secondary coating with PA substrate and preparation method and application thereof | |
| WO2021093303A1 (en) | Carbon fiber composite material and preparation method therefor | |
| CN105061828A (en) | Polymer-matrix conductive elastomer and preparation method thereof | |
| CN114773728B (en) | Polypropylene composition and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210226 |