CN104557676B - Refining method of nylon multifunctional stabilizer - Google Patents
Refining method of nylon multifunctional stabilizer Download PDFInfo
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- CN104557676B CN104557676B CN201310490826.6A CN201310490826A CN104557676B CN 104557676 B CN104557676 B CN 104557676B CN 201310490826 A CN201310490826 A CN 201310490826A CN 104557676 B CN104557676 B CN 104557676B
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- formula
- nylon
- product
- multifunctional
- multifunctional nylon
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/56—Nitrogen atoms
- C07D211/58—Nitrogen atoms attached in position 4
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a refining method for refining a nylon multifunctional stabilizer shown in the formula (I). The method mainly comprises steps as follows: adding the nylon multifunctional stabilizer shown in the formula (I) to industrial alcohol; performing stirring for dissolution; filtering the solution with an acid type funnel; adding the filtered solution to deionized water, and performing stirring for product precipitation; performing filtration and drying to obtain the high-transmittance nylon multifunctional stabilizer shown in the formula (I). The method has the benefit as follows: the transmittance of the nylon multifunctional stabilizer shown in the formula (I) is greatly increased.
Description
Technical field
The present invention relates to a kind of process for purification of multifunctional nylon stabilizer, belong to nylon auxiliary agent technical field.
Background technology
Recently as the development of general-purpose plastics through engineering approaches, engineering plastics high performance trend, nylon is as engineering plastics
Middle maximum most important kind, has very strong vitality, essentially consist in it modified realize high performance, next to that automobile,
The industries such as electrical equipment, communication, electronics, machinery itself are high performance to product to require increasingly stronger, the developing rapidly of related industry,
Promote the process of engineering plastics high performance, modification of nylon future development space is very huge.Along with modification of nylon application
Develop rapidly, nylon agent multiple function stable agent kyn-818 has wide market prospect, and the requirement to product quality simultaneously is also got over
Come higher, product light transmittance is an important indicator of Additives Products.
The brief introduction of nylon stabilizer kyn-818
Chemical name: 1,3- benzenedicarboxamide, n, n,-bis- (2,2,6,6- tetramethyl -4- piperidyls)
English name: 1,3-benzenecarboxamide, n, n ,-bis(2,2,6,6-tetramethyl-4-
Piperidinyl)
Chemical constitution:
(i) molecular formula: c26h42n4o2
Molecular weight: 442.65g/mol
cas no:42774-15-2
Physicochemical property: outward appearance is white crystalline powder, 272 DEG C of fusing point.
Volatility: in n210 DEG C/min of thermal weight loss 10%(programming rate under atmosphere) temperature be 354 DEG C.
Without refined 1,3- benzenedicarboxamide, n, n,-bis- (2,2,6,6- tetramethyl -4- piperidyls) product light transmittance is not
Height, affects its serviceability.
Content of the invention
The present invention is intended to provide a kind of process for purification of refined formula (i) multifunctional nylon stabilizer, high thoroughly to improve product
Light rate.
A kind of process for purification of refined formula (i) multifunctional nylon stabilizer:
Comprise the steps of
A: (i) multifunctional nylon stabilizer product is added separately in industrial alcohol by formula；
B: stirring and dissolving；
C: step b resulting solution is filtered through acid funnel；
D: add deionized water stirring to separate out product in the solution after above-mentioned filtration；
E: obtain high transmission rate formula (i) multifunctional nylon stabilizer product after filtering, being dried.
As preferred, the industrial alcohol usage amount described in step a is the formula (i) weight of multifunctional nylon stabilizer
4 times.
As preferred, the deionized water usage amount described in step d is 1.5 of industrial alcohol volume used in step a
Times.
Specific embodiment
The kyn-818 product of each 100g different batches is added separately in 500ml industrial alcohol, stirring and dissolving, will be upper
State solution and be filtered into bright liquid through acid funnel (specification g4), in the bright solution after above-mentioned filtration add 750ml go from
Sub- water stirring separates out product, obtains high transmission rate product (yield about 95%) after filtering, being dried.
Product light transmittance method of testing: products configuration is become 10% ethanol solution, through ultraviolet-uisible spectrophotometer (north
Jing Puxi all purpose instrument Co., Ltd) test result is as follows
It can be found that the light transmittance of product is greatly improved from implementation process above；And after treatment not
With product final light transmittance Exponential Stability.The method that this process product is described is reliable and stable.
The above is only the better embodiment of the present invention, thus the feature described in all scopes according to present patent application and
The equivalence changes that principle is done, are all included in the range of present patent application.
Claims (2)
1. a kind of refined formula () multifunctional nylon stabilizer process for purification:
()
Chemical name: 1,3- benzenedicarboxamide, n, n,-bis- (2,2,6,6- tetramethyl -4- piperidyls)
It is characterized in that comprising the steps of
A: by formula () multifunctional nylon stabilizer product is added in industrial alcohol；
B: stirring and dissolving；
C: step b resulting solution is filtered through acid funnel；
D: add deionized water stirring to separate out product in the solution after above-mentioned filtration；
E: through filter, be dried after obtain high transmission rate formula () multifunctional nylon stabilizer product；Products configuration is become 10% second
Alcoholic solution, through ultraviolet-uisible spectrophotometer test, the light transmittance of product is up to 93%.
2. a kind of refined formula according to claim 1 (i) multifunctional nylon stabilizer process for purification it is characterised in that:
Industrial alcohol usage amount described in step a be formula () 4 times of multifunctional nylon stabilizer weight.
3. a kind of refined formula according to claim 1 (i) multifunctional nylon stabilizer process for purification it is characterised in that:
Deionized water usage amount described in step d is 1.5 times of industrial alcohol volume used in step a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490826.6A CN104557676B (en) | 2013-10-20 | 2013-10-20 | Refining method of nylon multifunctional stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490826.6A CN104557676B (en) | 2013-10-20 | 2013-10-20 | Refining method of nylon multifunctional stabilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104557676A CN104557676A (en) | 2015-04-29 |
| CN104557676B true CN104557676B (en) | 2017-01-25 |
Family
ID=53074853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310490826.6A Active CN104557676B (en) | 2013-10-20 | 2013-10-20 | Refining method of nylon multifunctional stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104557676B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015212508A1 (en) * | 2015-07-03 | 2017-01-05 | Clariant International Ltd. | Polymer additive and process for its preparation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6846901B1 (en) * | 1999-12-21 | 2005-01-25 | Ems-Chemie Ag | Liquid initiator for accelerating the progress of the anionic lactam polymerization, method for producing the same and the use thereof |
| CN1671664A (en) * | 2002-08-19 | 2005-09-21 | 科莱恩有限公司 | Process for the preparation of stabilizers for polymers |
| CN103030588A (en) * | 2011-10-10 | 2013-04-10 | 南通市振兴精细化工有限公司 | Preparation technology of light stabilizer |
-
2013
- 2013-10-20 CN CN201310490826.6A patent/CN104557676B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6846901B1 (en) * | 1999-12-21 | 2005-01-25 | Ems-Chemie Ag | Liquid initiator for accelerating the progress of the anionic lactam polymerization, method for producing the same and the use thereof |
| CN1671664A (en) * | 2002-08-19 | 2005-09-21 | 科莱恩有限公司 | Process for the preparation of stabilizers for polymers |
| CN103030588A (en) * | 2011-10-10 | 2013-04-10 | 南通市振兴精细化工有限公司 | Preparation technology of light stabilizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104557676A (en) | 2015-04-29 |
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