CN102558866A - Liquid transparent toughening agent for plastics - Google Patents
Liquid transparent toughening agent for plastics Download PDFInfo
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- CN102558866A CN102558866A CN2011104104133A CN201110410413A CN102558866A CN 102558866 A CN102558866 A CN 102558866A CN 2011104104133 A CN2011104104133 A CN 2011104104133A CN 201110410413 A CN201110410413 A CN 201110410413A CN 102558866 A CN102558866 A CN 102558866A
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Abstract
The invention provides a liquid transparent toughening agent for plastics. The formula of the toughening agent is as follows: liquid silicone rubber, carboxylic liquid acrylonitrile-butadiene rubber and nanoscale titanium dioxide, wherein the liquid silicone rubber is the main component and the carboxylic liquid acrylonitrile-butadiene rubber and nanoscale titanium dioxide are additional components; and the liquid silicone rubber accounts for 75-85% of the toughening agent, the carboxylic liquid acrylonitrile-butadiene rubber accounts for 10-15% and nanoscale titanium dioxide accounts for 5-10%. The liquid transparent toughening agent is suitable for various plastics; and the dosage is extremely low, which accounts for 0.1-0.4% of the raw material in use. In addition, when the toughening agent is used, a toner is added in the toughening agent to realize the effect of coloring plastics.
Description
Technical field
The present invention relates to a kind of plastics and use toughner, relate to a kind of plastics especially and use liquid-transparent toughner.
Background technology
Toughner (toughener) is meant can increase the flexible material of sizing agent rete.Some thermosetting resin gluing agent, it is low to solidify the back elongation like epoxy resin, resol and unsaturated polyester resin sizing agent, and fragility is bigger;, bonding position is easy to crack when bearing external force, and expansion rapidly, cause the glue-line cracking; Antifatigue not can not be as the bonding usefulness of structure.Therefore, must manage to reduce fragility, increase toughness, improve loading strength.Allly can lower fragility, increase toughness, and don't the material that influences other salient featuress of sizing agent is called toughner.
All contain reactive group as the toughner two, can with resin generation chemical reaction, not exclusively compatible after the curing, also want phase-splitting sometimes, can obtain comparatively ideal toughening effect, make heat-drawn wire constant or descend very littlely, and shock resistance is obviously improved.Some chain macromolecule compound can be miscible with resin, contains reactive group; Can participate in the curing reaction of resin, improve elongation at break and shock strength, but heat-drawn wire descend to some extent; This material is referred to as flexibilizing agent (flexibizer), and commonly used have liquid polysulfide rubber, a LNBR, because they cooperate with resin in right amount; Can process structural adhesive, so also flexibilizing agent is classified toughner and so on.Though increasing gentle and toughness reinforcing is interrelated notion inequality again, in fact is difficult to strictness and makes a distinction.Toughness reinforcing theoretically with increase gentle different; Toughness reinforcing it does not make the material monolithic softening; But the epoxy resin cured product homogeneous system is become a heterogeneous system, and promptly toughner is gathered into spherical particle and in the external phase of the cross-linked network formation of epoxy resin, forms disperse phase, and anti-cracking performance is undergone mutation; Fracture toughness property significantly improves, but mechanical property, loss of thermal resistance are less.
And the toughner that uses in the market mainly is the particulate reinforcement agent, and the consumption of this toughner is generally at 5～15% of raw material, and usage quantity is bigger.And because the particulate reinforcement agent can cause the transparency of plastics to descend in being distributed to resin afterwards, therefore in transparent plastics, can't use.
Summary of the invention
In order to address the above problem, to the invention provides a kind of plastics and use liquid-transparent toughner.
The prescription of toughner of the present invention is following: liquid silastic, carboxyl LNBR and Nano titanium dioxide.
Wherein liquid silastic is a staple, and carboxyl LNBR and Nano titanium dioxide are added ingredients.Liquid silastic accounts for 75～85% of gross weight, and the carboxyl LNBR accounts for 10～15% of gross weight, and Nano titanium dioxide accounts for 5～10% of gross weight.
Toughner according to the invention is applicable to various plastics, and consumption is minimum, only need account for 0.1～0.4% of raw material in use.
And in use,, can reach the effect that makes coloring plastic through in toughner of the present invention, adding toner.
Use this plastics to be with the benefit of liquid-transparent toughner:
1, article of the present invention are transparent material, free from foreign meter and throw out.Article are in a liquid state or are Powdered, can not have any impact to plastic, transparent degree and color.
2, addition is little, not only can be used on the clear plastic articles, and not influence transparency, can also improve glossiness.
3, make more easy colorizing of plastics, this product can adhere to toner, makes uniform coloring, reduces and uses dispersion agent or diffusion oil.
4, be applicable to that various plastics are like plastics such as GPPS, HIPS, ABS, SAN, PP PE, PC, PMMA, POM, PVC, PETG, CA and nylon.
Embodiment
Embodiment 1
Raw material: HIPS uses toughner of the present invention.
Get HIPS1000g, get toughner 3g of the present invention.Toughner and HIPS are placed injection moulding machine, and the process twin screw is extruded, granulation, thereby makes standard test specimen.Carry out the tensile property test according to GB/T 16421-1996 subsequently; Carry out the bending property test according to GB/T 16419-1996, carry out the socle girder Impact Test according to GB/T16420-1996.
Obtain following experimental result
Embodiment 2
Raw material: ABS uses toughner of the present invention.
Get ABS1000g, get toughner 2g of the present invention.Toughner and ABS are placed injection moulding machine, and the process twin screw is extruded, granulation, thereby makes standard test specimen.Carry out the tensile property test according to GB/T 16421-1996 subsequently; Carry out the bending property test according to GB/T 16419-1996, carry out the socle girder Impact Test according to GB/T16420-1996.
Obtain following experimental result
Embodiment 3
Raw material: PMMA uses toughner of the present invention.
Get PMMA1000g, get toughner 2.5g of the present invention, toughner and PMMA are placed injection moulding machine, the process twin screw is extruded, granulation, thereby makes standard test specimen.Carry out the tensile property test according to GB/T 16421-1996 subsequently; Carry out the bending property test according to GB/T 16419-1996, carry out the socle girder Impact Test according to GB/T16420-1996.
Obtain following experimental result
Embodiment 4
Raw material: PVC uses toughner of the present invention.
Get PVC1000g, get toughner 1g of the present invention, toughner and PVC are placed injection moulding machine, the process twin screw is extruded, granulation, thereby makes standard test specimen.Carry out the tensile property test according to GB/T 16421-1996 subsequently; Carry out the bending property test according to GB/T 16419-1996, carry out the socle girder Impact Test according to GB/T16420-1996.
Obtain following experimental result
Can see that from the foregoing description toughner of the present invention has good toughening effect really, and because consumption is little, product is that the transparent liquid shape has more advantage.
Those skilled in the art can make replacement or modification to content of the present invention according to content disclosed by the invention and the art technology of being grasped; But these replacements or modification should not be regarded as breaking away from the present invention's design, and these replacements or modification are all in the interest field that the present invention requires to protect.
Claims (1)
1. plastics are used liquid-transparent toughner; It is characterized in that this toughner is made up of liquid silastic, carboxyl LNBR and Nano titanium dioxide; Wherein liquid silastic accounts for 75～85% of gross weight; The carboxyl LNBR accounts for 10～15% of gross weight, and Nano titanium dioxide accounts for 5～10% of gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104104133A CN102558866A (en) | 2011-12-12 | 2011-12-12 | Liquid transparent toughening agent for plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104104133A CN102558866A (en) | 2011-12-12 | 2011-12-12 | Liquid transparent toughening agent for plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102558866A true CN102558866A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104104133A Pending CN102558866A (en) | 2011-12-12 | 2011-12-12 | Liquid transparent toughening agent for plastics |
Country Status (1)
| Country | Link |
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| CN (1) | CN102558866A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610736A (en) * | 2015-02-03 | 2015-05-13 | 上海日之升新技术发展有限公司 | Nylon composite material with high transparency and low temperature cracking resistance and preparation method thereof |
| CN108610596A (en) * | 2016-12-12 | 2018-10-02 | 威海职业学院 | Bloom is exempted to spray ABS/PMMA blend alloys and preparation method thereof |
| CN112480638A (en) * | 2020-12-08 | 2021-03-12 | 江苏集萃先进高分子材料研究所有限公司 | Preparation method of transparent toughening master batch |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724187A (en) * | 2008-10-31 | 2010-06-09 | 中国石油化工股份有限公司 | Rubber composition and preparation method thereof |
-
2011
- 2011-12-12 CN CN2011104104133A patent/CN102558866A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724187A (en) * | 2008-10-31 | 2010-06-09 | 中国石油化工股份有限公司 | Rubber composition and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610736A (en) * | 2015-02-03 | 2015-05-13 | 上海日之升新技术发展有限公司 | Nylon composite material with high transparency and low temperature cracking resistance and preparation method thereof |
| CN108610596A (en) * | 2016-12-12 | 2018-10-02 | 威海职业学院 | Bloom is exempted to spray ABS/PMMA blend alloys and preparation method thereof |
| CN112480638A (en) * | 2020-12-08 | 2021-03-12 | 江苏集萃先进高分子材料研究所有限公司 | Preparation method of transparent toughening master batch |
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Application publication date: 20120711 |