CN109354712A - A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree - Google Patents
A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree Download PDFInfo
- Publication number
- CN109354712A CN109354712A CN201811176097.6A CN201811176097A CN109354712A CN 109354712 A CN109354712 A CN 109354712A CN 201811176097 A CN201811176097 A CN 201811176097A CN 109354712 A CN109354712 A CN 109354712A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- formula
- nucleating agent
- rigidity
- agent compositions
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic 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
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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
- C08L2205/24—Crystallisation aids
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 present invention provides the nucleating agent compositions that its mist degree is reduced while a kind of raising polypropylene rigidity, mainly it is composed of hydroxyl phosphate aluminium salt (one compound of formula) and metal carboxylate (two compound of formula), the two can be combined arbitrarily weight ratio, preferably 5:5-7:3；Nucleating agent compositions can be prepared by mixing two kinds of compound components with solution or mechanical system；The mixed proportion of the wherein preferred lithium benzoate of metal-carboxylate compounds, hydroxyl phosphate aluminium salt and lithium benzoate is 6:4, and when nucleating agent compositions additive amount is 1 ‰, the performance of polypropylene rigidity and transparency is best.The beneficial effects of the present invention are: while improving polypropylene rigidity and crystallization rate, and polyacrylic mist degree can be reduced, it can be taken into account with a variety of advantages.Therefore, it can targetedly apply in the thin wall product more demanding to rigidity and the transparency, such as food product packing film.
Description
Technical field
The present invention provides a kind of raising polypropylene rigidity and lower the nucleating agent compositions and application thereof of polypropylene mist degree,
Belong to technical field of polypropylene.
Background technique
Polypropylene has nontoxic, low in cost, easy to process as one of big general-purpose plastics of consumption maximum five is produced
The advantages that, it can be widely applied to the fields such as automobile component, electronic apparatus, construction material, medical instrument, tubing packaging.Although such as
This, polypropylene belongs to semi-crystalline resins, and crystallization rate is slow, spherulite size is big, the low disadvantage of rigidity also significantly limits it and answers
With.Polypropylene period, refinement polypropylene crystal grain and increase crystallinity can effectively be shortened by adding nucleating agent, from
And improve polyacrylic mechanical property and optical property.Currently, addition nucleating agent is that polypropylene modification is the most frequently used, most simple, most
A kind of effective method.
Currently, increasing just mainly has inorganic and two kinds of organic salt with the nucleating agent of anti-reflection class.Inorganic mainly have talcum powder,
Calcium carbonate, mica, silica etc..Such nucleating agent biggest advantage is cheap, but poor with polypropylene compatible, dispersion
It is more difficult, it while increasing rigid, will increase polyacrylic mist degree, influence its transparency.Organic salt nucleating agent mainly includes carboxylate
Class, aryl phosphoric acids salt and glucitols etc..Metal carboxylate, aryl phosphoric acids salt nucleating agent increase rigid significant effect, with poly- third
Olefine resin compatibility is also preferable, but the resinoid there are still increase it is rigid while, the polyacrylic transparency is not improved.Sorbierite
Class belongs to typical polypropylene transmission increasing nucleating agent, little to polyacrylic rigidity contribution.It therefore, is at present on the market mostly solution
The certainly nucleating agent of Single-issue can improve simultaneously polypropylene rigidity without one kind and reduce the nucleating agent of its mist degree.
Summary of the invention
The invention discloses a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree, mainly by formula
1 and 2 compound of formula composition,
Formula 1 is hydroxyl phosphate aluminium salt:
Formula 2:
Wherein,It is lithium ion or sodium ion, preferably lithium ion；R can be benzoic acid, P-hydroxybenzoic acid, to uncle
One of butylbenzoic acid, P-methoxybenzoic acid, stearic acid, lignite cerinic acid.
Formula 1 and 2 compound of formula can be combined arbitrarily weight ratio, and the weight ratio of 2 compound of formula 1 and formula is preferably 5:
5-7:3.Particularly, the preferred lithium benzoate of 2 compound of formula, the particularly preferred 6:4 of weight ratio of 2 compound of this up-to-date style 1 and formula.
In the preparation method of the nucleating agent compositions, the formula 1 and 2 compound of formula can pass through solution or machinery side
Formula mixes.Such as mechanical mixture mode, the formula 1 and 2 compound of formula can be stirred 5-10 minutes in high-speed mixer, speed is
500-700 revs/min, temperature controls within 25-50 DEG C.
The nucleating agent compositions and polypropylene be sufficiently mixed, extruding pelletization and after making it be uniformly dispersed after being homogenized, can be with
For in rigidity and the more demanding polypropylene thin wall product of the transparency, such as food product packing film.
Additive amount of the nucleating agent compositions in polypropylene product is 0.5 ‰ -3 ‰.
The beneficial effects of the present invention are: providing the nucleating agent compositions that one kind of multiple advantages are taken into account, it is able to solve at present
Single nucleating agent can only solve the problems, such as single rigidity, crystallization rate or reduce mist degree, improve polypropylene rigidity and knot
While brilliant speed, and polyacrylic mist degree can be reduced, improve the transparency of polypropylene articles.Therefore it can targetedly answer
In the thin wall product more demanding to rigidity and the transparency, such as food product packing film.
Detailed description of the invention
Fig. 1 is the molecular structure of 1 compound of hydroxyl phosphate aluminium salt formula
Specific embodiment
Below with reference to specific embodiment, the present invention is further elaborated, and following embodiment will be helpful to the skill of this field
Art personnel further understand the present invention, but it is only better embodiment of the invention, and the invention is not limited in any way.Therefore
All equivalence changes done according to feature described in present patent application range and principle, are included in present patent application model
In enclosing.
Embodiment 1: 1 compound of formula is mixed 5-10 minutes from lithium benzoate by different weight ratios in pony mixer
After take out it is spare；
Embodiment 2: 1 compound of formula is mixed into 5- by different weight ratios from P-hydroxybenzoic acid lithium in pony mixer
It takes out after ten minutes spare；
Embodiment 3: 1 compound of formula is mixed in pony mixer from p-tert-butyl benzoic acid lithium by different weight ratios
It is taken out after 5-10 minutes spare；
Embodiment 4: 1 compound of formula is mixed in pony mixer from P-methoxybenzoic acid lithium by different weight ratios
It is taken out after 5-10 minutes spare；
Embodiment 5: 1 compound of formula is mixed 5-10 minutes from lithium stearate by different weight ratios in pony mixer
After take out it is spare；
Embodiment 6: 1 compound of formula is mixed 5-10 points by different weight ratios from lignite cerinic acid lithium in pony mixer
It is taken out after clock spare；
The nucleating agent compositions that above-described embodiment 1-6 is obtained are mixed 5 with acrylic resin respectively in high-speed mixer
Minute, the composition of nucleating agent and acrylic resin is granulated, is dried to obtain by double screw extruder.Obtained composition is led to
It crosses injection molding machine and is prepared into standard batten and print, tested after being disposed under standard environment.And it is tested with following blank schemes
As a result it compares:
Comparative example 1: being not added with the polypropylene of any nucleating agent, tests its mist degree and bending modulus；
Comparative example 2: by lithium benzoate, P-hydroxybenzoic acid lithium, p-tert-butyl benzoic acid lithium, P-methoxybenzoic acid lithium,
Lithium stearate, lignite cerinic acid lithium are individually used in polypropylene, test its mist degree and bending modulus；
Comparative example 3: the hydroxyl phosphate aluminium salt that formula 1 represents is used alone in polypropylene, tests its mist degree and bending die
Amount.
Test and comparing result are as shown in the table.
1 mist degree test result of table (unit: %)
2 bending modulus test result of table (unit: MPa)
By Tables 1 and 2 it is found that compared with the acrylic resin for being not added with nucleating agent, single nucleation immunomodulator compounds, sample are added
The rigidity that product only has improves or only transparency improves, and effect is not significant；And after adding nucleating agent compositions, sample it is rigid
Property and the transparency can be highly improved simultaneously.Especially in embodiment 1, the hydroxyl phosphate aluminium salt of one compound of formula representative
With the nucleating agent compositions of lithium benzoate, when weight ratio is 6:4, the rigid highest of sample, while mist degree is minimum, achieves good
Good effect.
Embodiment 7: will be added with the nucleating agent compositions that 6:4 ratio mixes by the additive amount of different weight ratio in embodiment 1
Enter into acrylic resin, tests the mist degree and bending modulus of nucleating agent and polypropylene resin composite, the results are shown in Table 3.
As can be seen that nucleating agent compositions additive amount, at 1 ‰, the mist degree of polypropylene resin composite is minimum, while having preferable
Rigidity.
Mist degree and bending modulus under 3 Different adding amount of table
| The additive amount of nucleating agent compositions | Mist degree (%) | Bending modulus (MPa) |
| 0.5‰ | 21.38 | 1190.35 |
| 1‰ | 20.06 | 1214.74 |
| 2‰ | 23.88 | 1220.55 |
| 3‰ | 28.35 | 1221.35 |
Therefore, the composition of polyacrylic mist degree is reduced while a kind of raising polypropylene rigidity provided by the invention, it is main
It to be composed of hydroxyl phosphate aluminium salt and various lithium salts, sodium salt, preparation method is simple, is improving polypropylene rigidity and crystallization
While speed, and polyacrylic mist degree can be reduced, can be taken into account with a variety of advantages.Can targetedly apply to rigidity and
In the more demanding thin wall product of the transparency, such as food product packing film.
Claims (10)
1. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree, which is characterized in that mainly by 1 He of formula
2 compound of formula composition,
Formula 1 is hydroxyl phosphate aluminium salt:
Formula 2:
Wherein,It is lithium ion or sodium ion；R can be benzoic acid, P-hydroxybenzoic acid, p-tert-butyl benzoic acid, to first
One of p-methoxybenzoic acid, stearic acid, lignite cerinic acid.
2. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 1,
It is characterized in that, described in 2 compound of formulaIt is preferred that lithium ion.
3. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 1,
It is characterized in that, the formula 1 and 2 compound of formula can be in the range of (2:8)-(8:2) with the combination of any weight ratio.
4. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 3,
It is characterized in that, the weight ratio of 2 compound of the formula 1 and formula is preferably 5:5-7:3.
5. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 2,
It is characterized in that, the preferred lithium benzoate of 2 compound of formula.
6. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 5,
It is characterized in that, the preferred 6:4 of weight ratio of 2 compound of the formula 1 and formula.
7. a kind of system of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 1
Preparation Method, it is characterised in that: the formula 1 and 2 compound of formula can be mixed by solution or mechanical system.
8. a kind of system of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 7
Preparation Method, it is characterised in that: when using mechanical system preparation, the formula 1 and 2 compound of formula stir 5-10 in high-speed mixer
Minute, speed is 500-700 revs/min, and temperature controls within 25-50 DEG C.
9. a kind of use of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 1
On the way, which is characterized in that the nucleating agent compositions are sufficiently mixed with polypropylene, so that it is uniformly dispersed after extruding pelletization and homogenizing
Afterwards, can be used in the polypropylene thin wall product more demanding to rigidity and the transparency.
10. a kind of nucleating agent compositions for improving polypropylene rigidity and lowering polypropylene mist degree according to claim 9
Purposes, which is characterized in that additive amount of the nucleating agent compositions in polypropylene product is 0.5 ‰ -3 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176097.6A CN109354712A (en) | 2018-10-10 | 2018-10-10 | A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176097.6A CN109354712A (en) | 2018-10-10 | 2018-10-10 | A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109354712A true CN109354712A (en) | 2019-02-19 |
Family
ID=65348833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811176097.6A Pending CN109354712A (en) | 2018-10-10 | 2018-10-10 | A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109354712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812218A (en) * | 2021-02-07 | 2021-05-18 | 涿州市隽诚化工有限公司 | Polypropylene nucleating agent and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554856A (en) * | 2013-10-22 | 2014-02-05 | 山西省化工研究所（有限公司） | Polylactic acid nucleating agent composition and application thereof |
| CN106220406A (en) * | 2016-07-12 | 2016-12-14 | 山东胜伟园林科技有限公司 | Heavy salinized ground Study on Fertilizing modifying agent and modification method thereof |
-
2018
- 2018-10-10 CN CN201811176097.6A patent/CN109354712A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554856A (en) * | 2013-10-22 | 2014-02-05 | 山西省化工研究所（有限公司） | Polylactic acid nucleating agent composition and application thereof |
| CN106220406A (en) * | 2016-07-12 | 2016-12-14 | 山东胜伟园林科技有限公司 | Heavy salinized ground Study on Fertilizing modifying agent and modification method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812218A (en) * | 2021-02-07 | 2021-05-18 | 涿州市隽诚化工有限公司 | Polypropylene nucleating agent and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60217087T2 (en) | METAL SALTS OF HEXAHYDROPHTHALIC ACID AS KEY FORMING ADDITIVES FOR CRYSTALLINE THERMOPLASTICS | |
| EP1383831B1 (en) | Disodium hexahydrophthalate salt compositions and nucleated polymers comprising such compositions | |
| WO2011130928A1 (en) | Composition of nucleating agents for enhancing rigidity of polypropylene | |
| WO2020151553A1 (en) | Polycarbonate alloy and preparation method therefor | |
| CN106810714A (en) | A kind of nucleating agent compositions and its application | |
| CN108623918A (en) | A kind of micro-foaming polypropylene composite material and preparation method thereof | |
| CN109354712A (en) | A kind of nucleating agent compositions and application thereof for improving polypropylene rigidity and lowering polypropylene mist degree | |
| BR112021003547A2 (en) | alicyclic dicarboxylic acid metal salt having excellent dispersibility in polyolefin resin, production method for said alicyclic dicarboxylic acid metal salt, crystal nucleator for polyolefin resin containing said alicyclic dicarboxylic acid metal salt, nucleator composition crystal containing said crystal nucleator, polyolefin resin composition and polyolefin resin molded article | |
| AU2004282048B2 (en) | Amides, polyolefin resin compositions, and moldings | |
| CN104974377A (en) | Nucleating agent composition containing cyclic carboxylic acid metal salt | |
| JP5969239B2 (en) | Surface-treated calcium carbonate and method for producing the same | |
| KR102545024B1 (en) | Additive composition, and method for producing a polymer composition using the same | |
| Balkaev et al. | Novel nucleating agents for polypropylene and modifier of its physical-mechanical properties | |
| WO2008085250A1 (en) | Thermoplastic and nucleating agent compositions and methods | |
| EP1097183B1 (en) | High-resistant condensation cross-linking silicon | |
| CN109438753A (en) | A kind of α nucleating agent compositions and the preparation method and application thereof | |
| BR112021023557B1 (en) | PARTICULATE CORE GENERATOR, RESIN COMPOSITION AND PRODUCTION METHOD AND MOLDED ARTICLE | |
| KR101450677B1 (en) | Additive composition comprising counteragent | |
| CN103571056B (en) | A kind of High heat deflection temperature type polypropylene nano-composite composition and preparation method thereof | |
| CN106810715A (en) | A kind of nucleating agent compositions and its application | |
| EP1680464A1 (en) | Concentrates of saturated bicyclic dicarboxylate salts as polymer nucleation additives and methods of nucleating thermoplastics | |
| CN102757586B (en) | Antibacterial modified high-density polyethylene composition for hollow and preparation method thereof | |
| WO2021177386A1 (en) | Crystal nucleating agent composition for polyolefin resin, and polyolefin resin composition including said crystal nucleating agent composition | |
| JPS61213231A (en) | Antistatic agent composition | |
| CN105820444A (en) | Polypropylene composite nucleating agent based on calcium sulfate whiskers and preparing method of polypropylene composite nucleating agent |
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 |
Application publication date: 20190219 |
|
| RJ01 | Rejection of invention patent application after publication |