CN104761720A - Nylon auxiliary agent oil and preparation method and use thereof - Google Patents
Nylon auxiliary agent oil and preparation method and use thereof Download PDFInfo
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- CN104761720A CN104761720A CN201410005435.5A CN201410005435A CN104761720A CN 104761720 A CN104761720 A CN 104761720A CN 201410005435 A CN201410005435 A CN 201410005435A CN 104761720 A CN104761720 A CN 104761720A
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Abstract
The invention provides a nylon auxiliary agent oil and a preparation method and a use thereof, and is used for solving the problems that the dispersion of an added powder lubrication material is not good and thus the product strength and wear resistance are affected during preparation of casting nylon in the prior art; the nylon auxiliary agent oil includes the following components by weight: 88-94 wt% of lithium 12-hydroxystearate thickened lubricating grease, 1.0-2.0 wt% of an antioxidant, 1.0-2.0 wt% of modified montmorillonite, 3.0-5.0 wt% of an active bright yellow K6G, and 1.0-3.0 wt% of a toughening agent. The nylon auxiliary agent oil provided by the invention is mainly used for preparation of the casting nylon, and the impact strength and temperature resistance of the casting nylon prepared after the nylon auxiliary agent oil is added are greatly improved; in addition, the nylon auxiliary agent oil provided by the invention has good self lubrication performance, the friction coefficient of the casting nylon prepared after the nylon auxiliary agent oil is added is greatly reduced, the noise is low and the service life is long when the casting nylon is in use, and oil-free lubrication can be achieved.
Description
Technical field
The present invention relates to high molecular synthetic material technical field, refer to a kind of nylon auxiliary agent oil and its production and use especially.
Background technology
Cast nylon be by caprolactam monomer under the effect of highly basic (as NaOH) and other promotors, with the shaping blank obtaining goods of mould direct polymerization, due to polymerization and moulding process are combined, therefore convenient formation, facility investment are few, be easy to the gear, turbine, bearing etc. that manufacture heavy-duty machines part such as tens kilograms, the mechanical property of cast nylon and physicals are all far above nylon.
The preparation technology of existing domestic and international cast nylon mainly adds the modified nylon materials of the inorganic powder of solid, as patent: preparation method's (application number: 201110009588.3 of self-lubricating high strength cast nylon, publication number: 102153743A) adopt caprolactam monomer and modified Nano Material cladding through base catalysis obtained nylon performed polymer under vacuum anhydrous condition, and directly casting obtains self-lubricating high strength cast nylon parts.Adopt the lubricant amount of solid inorganic powder to lack the object that cannot reach self-lubricating, amount is many can cause skewness, finally affects the physicals of product.How improving the dispersing uniformity of additive, the product of preparation high strength, high-wearing feature, is the emphasis of research now.
Summary of the invention
The present invention proposes a kind of nylon auxiliary agent oil and its production and use, and the dispersiveness of the powder lubricant added during for solving prior art preparation cast nylon is bad, affects the problem of product strength and wear resistance.
Technical scheme of the present invention is achieved in that
A kind of nylon auxiliary agent oil, comprises the component of following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%.
Preferably, oxidation inhibitor is antioxidant 1010.
Preferably, toughner is general purpose grade compatible toughening agents ESC-C2330.
A preparation method for nylon auxiliary agent oil, comprises following two steps:
Step one, batching: the raw material taking following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%;
Step 2, batch mixing: carry out twice stirring by after each raw material mixing in step one, the time of twice stirring is identical, direction is contrary.
Preferably, churning time is 10-30min.
A kind of by the purposes of nylon auxiliary agent oil for the preparation of cast nylon, adopt nylon auxiliary agent oil preparation cast nylon, nylon auxiliary agent oil comprises the component of following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%;
Concrete steps are as follows: at negative pressure 1MP and high temperature 120 ~ 140 DEG C, prepare nylon performed polymer by after caprolactam monomer and the mixing of nylon auxiliary agent oil through catalyzer is sodium hydroxide catalyzed, add solidifying agent TDI afterwards and solidify.
Preferably, pour into a mould nylon for time each raw material weight ratio be respectively hexanolactam 93 ~ 97.9wt%, sodium hydroxide 1 ~ 2wt%, solidifying agent 0.1 ~ 0.5wt% and nylon auxiliary agent oil 1 ~ 4.5wt%.
The nylon auxiliary agent oil that the present invention proposes is liquid lubrication material, to open the auxiliary agent oil that oil content subchain and hexanolactam molecular chain evenly link, cast nylon shock strength prepared after adding the nylon auxiliary agent oil of the present invention's proposition strengthens greatly, and heat resistance there has also been and significantly improves; In addition, the nylon auxiliary agent oil self-lubricating property that the present invention proposes is good, and the cast nylon frictional coefficient obtained after adding reduces greatly, and during use, noise is low, wear resistance is good, long service life, can realize oil-free lubricatoin.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is preparation method's schema of the nylon auxiliary agent oil that the present invention proposes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The nylon auxiliary agent oil of 100 weight parts, comprises the raw material of following weight part: the lubricating grease of 88 parts of 12-hydroxy lithium stearates multiviscosisty, 2 parts of antioxidant 1010s, 2 parts of modified montmorillonoids, 5 parts of reactive brilliant yellow K6G and 3 part of general purpose grade compatible toughening agents ESC-C2330.
The preparation process of above-mentioned nylon auxiliary agent oil is:
Step one, batching: the raw material taking following weight part: the lubricating grease of 88 parts of 12-hydroxy lithium stearates multiviscosisty, 2 parts of antioxidant 1010s, 2 parts of modified montmorillonoids, 5 parts of reactive brilliant yellow K6G and 3 part of general purpose grade compatible toughening agents ESC-C2330;
Step 2, batch mixing: carry out twice stirring by after the raw material mixing in step one, the time of twice stirring is identical, direction contrary, and churning time is 10min.
Above-mentioned nylon auxiliary agent oil is for pouring into a mould the preparation of nylon, under negative pressure 1MP and high temperature of 120 DEG C, nylon performed polymer is prepared through catalyzer is sodium hydroxide catalyzed after caprolactam monomer and the mixing of nylon auxiliary agent oil, add solidifying agent TDI afterwards to solidify, cast nylon for time each raw material weight part be respectively: hexanolactam 93 parts, 2 parts, sodium hydroxide, 0.5 part, solidifying agent and nylon auxiliary agent oil 4.5 parts.
The raw material of equal amts is under same process flow, and the cast nylon frictional coefficient prepared when not adding nylon auxiliary agent oil is 0.2, and unnotched impact strength is 0.9kj/m
2, heatproof is 90 DEG C; According to the method described above, adding nylon auxiliary agent oil has the cast nylon obtained, and after tested: frictional coefficient is 0.12, unnotched impact strength is 5.6kj/m
2, heatproof is 180 DEG C.
Embodiment 2
The nylon auxiliary agent oil of 100 weight parts, comprises the raw material of following weight part: the lubricating grease of 94 parts of 12-hydroxy lithium stearates multiviscosisty, 1 part of antioxidant 1010,1 part of modified montmorillonoid, 3 parts of reactive brilliant yellow K6G and 1 part of general purpose grade compatible toughening agents ESC-C2330.
The preparation process of above-mentioned nylon auxiliary agent oil is:
Step one, batching: the raw material taking following weight part: the lubricating grease of 94 parts of 12-hydroxy lithium stearates multiviscosisty, 1 part of antioxidant 1010,1 part of modified montmorillonoid, 3 parts of reactive brilliant yellow K6G and 1 part of general purpose grade compatible toughening agents ESC-C2330;
Step 2, batch mixing: carry out twice stirring by after the raw material mixing in step one, the time of twice stirring is identical, direction contrary, and churning time is 30min.
Above-mentioned nylon auxiliary agent oil is for pouring into a mould the preparation of nylon, at negative pressure 1MP and high temperature 140 DEG C, nylon performed polymer is prepared through catalyzer is sodium hydroxide catalyzed after caprolactam monomer and the mixing of nylon auxiliary agent oil, add solidifying agent TDI afterwards to solidify, cast nylon for time each raw material weight part be respectively: hexanolactam 97.9 parts, 1 part, sodium hydroxide, 0.1 part, solidifying agent and nylon auxiliary agent oil 1 part.
The raw material of equal amts is under same process flow, and the cast nylon frictional coefficient prepared when not adding nylon auxiliary agent oil is 0.2, and unnotched impact strength is 0.9kj/m
2, heatproof is 90 DEG C; According to the method described above, adding nylon auxiliary agent oil has the cast nylon obtained, and after tested: frictional coefficient is 0.12, unnotched impact strength is 5.4kj/m
2, heatproof is 182 DEG C.
Embodiment 3
The nylon auxiliary agent oil of 100 weight parts, comprises the raw material of following weight part: the lubricating grease of 91 parts of 12-hydroxy lithium stearates multiviscosisty, 1.5 parts of antioxidant 1010s, 1.5 parts of modified montmorillonoids, 4 parts of reactive brilliant yellow K6G and 2 part of general purpose grade compatible toughening agents ESC-C2330.
The preparation process of above-mentioned nylon auxiliary agent oil is:
Step one, batching: the raw material taking following weight part: the lubricating grease of 91 parts of 12-hydroxy lithium stearates multiviscosisty, 1.5 parts of antioxidant 1010s, 1.5 parts of modified montmorillonoids, 4 parts of reactive brilliant yellow K6G and 2 part of general purpose grade compatible toughening agents ESC-C2330.
Step 2, batch mixing: carry out twice stirring by after the raw material mixing in step one, the time of twice stirring is identical, direction contrary, and churning time is 20min.
Above-mentioned nylon auxiliary agent oil is for pouring into a mould the preparation of nylon, at negative pressure 1MP and high temperature 130 DEG C, nylon performed polymer is prepared through catalyzer is sodium hydroxide catalyzed after caprolactam monomer and the mixing of nylon auxiliary agent oil, add solidifying agent TDI afterwards to solidify, cast nylon for time each raw material weight part be respectively: hexanolactam 95.2 parts, 1.5 parts, sodium hydroxide, 0.3 part, solidifying agent and nylon auxiliary agent oil 3 parts.
The raw material of equal amts is under same process flow, and the cast nylon frictional coefficient prepared when not adding nylon auxiliary agent oil is 0.2, and unnotched impact strength is 0.9kj/m
2, heatproof is 90 DEG C; According to the method described above, adding nylon auxiliary agent oil has the cast nylon obtained, and after tested: frictional coefficient is 0.13, unnotched impact strength is 5.5kj/m
2, heatproof is 185 DEG C.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. nylon auxiliary agent oil, is characterized in that: the component comprising following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G 3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%.
2. nylon auxiliary agent oil according to claim 1, is characterized in that: described oxidation inhibitor is antioxidant 1010.
3. nylon auxiliary agent oil according to claim 1, is characterized in that: described toughner is general purpose grade compatible toughening agents ESC-C2330.
4. a preparation method for nylon auxiliary agent oil, is characterized in that: comprise following two steps:
Step one, batching: the raw material taking following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%;
Step 2, batch mixing: carry out twice stirring by after the raw material mixing described in step one, the time of twice stirring is identical, direction is contrary.
5. the preparation method of nylon auxiliary agent oil according to claim 4, is characterized in that: described churning time is 10-30min.
6. one kind by nylon auxiliary agent oil for the preparation of cast nylon purposes, it is characterized in that: adopt nylon auxiliary agent oil preparation cast nylon, described nylon auxiliary agent oil comprises the component of following weight ratio: lubricating grease 88 ~ 94wt%, the oxidation inhibitor 1.0 ~ 2.0wt% of the multiviscosisty of 12-hydroxy lithium stearate, modified montmorillonoid 1.0 ~ 2.0wt%, reactive brilliant yellow K6G 3.0 ~ 5.0wt% and toughner 1.0 ~ 3.0wt%;
Concrete steps are as follows: at negative pressure 1MP and high temperature 120 ~ 140 DEG C, prepare nylon performed polymer by after caprolactam monomer and the mixing of described nylon auxiliary agent oil through catalyzer is sodium hydroxide catalyzed, add solidifying agent TDI afterwards and solidify.
7. according to claim 6 by oily for the nylon auxiliary agent purposes for the preparation of cast nylon, it is characterized in that: in described concrete steps, the weight ratio of each raw material is respectively: caprolactam monomer 93 ~ 97.9wt%, sodium hydroxide 1 ~ 2wt%, solidifying agent 0.1 ~ 0.5wt% and nylon auxiliary agent oil 1 ~ 4.5wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005435.5A CN104761720B (en) | 2014-01-06 | 2014-01-06 | Nylon auxiliary agent oil and preparation method and use thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005435.5A CN104761720B (en) | 2014-01-06 | 2014-01-06 | Nylon auxiliary agent oil and preparation method and use thereof |
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| CN104761720A true CN104761720A (en) | 2015-07-08 |
| CN104761720B CN104761720B (en) | 2017-04-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000143974A (en) * | 1998-09-11 | 2000-05-26 | Nippon Polypenco Ltd | Polyamide composition and its molded product |
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN102153743A (en) * | 2011-01-18 | 2011-08-17 | 武汉工程大学 | Preparation method of self-lubricating and high-strength pouring nylon |
| CN102382458A (en) * | 2010-09-03 | 2012-03-21 | 谷荒 | High-intensity, wear-resistant and self-lubricating oil-bearing modified cast nylon pulley and production method thereof |
-
2014
- 2014-01-06 CN CN201410005435.5A patent/CN104761720B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000143974A (en) * | 1998-09-11 | 2000-05-26 | Nippon Polypenco Ltd | Polyamide composition and its molded product |
| CN101200670A (en) * | 2006-12-12 | 2008-06-18 | 中国石油天然气集团公司 | Composite lithium-base grease and method for making same |
| CN102382458A (en) * | 2010-09-03 | 2012-03-21 | 谷荒 | High-intensity, wear-resistant and self-lubricating oil-bearing modified cast nylon pulley and production method thereof |
| CN102153743A (en) * | 2011-01-18 | 2011-08-17 | 武汉工程大学 | Preparation method of self-lubricating and high-strength pouring nylon |
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| CN104761720B (en) | 2017-04-19 |
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