CN103965406A - Melt-grafting modified chlorinated polypropylene and preparation method thereof - Google Patents
Melt-grafting modified chlorinated polypropylene and preparation method thereof Download PDFInfo
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- CN103965406A CN103965406A CN201410146847.0A CN201410146847A CN103965406A CN 103965406 A CN103965406 A CN 103965406A CN 201410146847 A CN201410146847 A CN 201410146847A CN 103965406 A CN103965406 A CN 103965406A
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Abstract
The invention provides melt-grafting modified chlorinated polypropylene and a preparation method thereof. The melt-grafting modified chlorinated polypropylene comprises the following materials in parts by weight: 50-65 parts of chlorinated polypropylene, 20-25 parts of colophony, 10-15 parts of maleic anhydride, 0.1-0.3 part of an initiator. The above materials are fed and mixed at a high speed according to the proportion, and the mixture is fed into a ZSK-30 double-screwextruder, is extruded out and meanwhile is drawn to form strips at a feeding speed of 40-50 g/minute and at a screw rod rotation speed of 40-60 round/minute under the control of temperature, wherein the feeding opening is at 60-80 DEG C, a fusionmixing section is at 100-120 DEG C, a grafting reaction section is at 175-180 DEG C, and a machine head is at 185 DEG C, and then the product can be obtained via cooling and pelletizing. The product prepared with the melt-grafting modified chlorinated polypropylene can be well dissolved in partial ketone esterdissolvents, and the melt-grafting modified chlorinated polypropylene is suitable for manufacturing benzene-free and ketone-free environmental-friendly gravure composite printing ink, paint, coating and adhesives.
Description
Technical field
The present invention relates to Modification by Melt Grafting Chlorinated Polypropylene III and preparation method thereof, especially manufacture without benzene without modified chlorinated polypropylene of the environmental intaglio compound oil ink of ketone, paint, coating, tackiness agent and preparation method thereof.
Background technology
Chlorinated Polypropylene III (CPP) is the chemical modification thing of introducing-Cl group in polypropylene, for white or light yellow solid is Powdered or granulated product, there is nontoxic, acidproof, water-fast, good, the easy film forming of the transparency, the feature such as nonflammable, for fields such as coating, tackiness agent, ink carrier and leather treatments, according to the difference of chlorination degree, Chlorinated Polypropylene III can be divided into high Chlorinated Polypropylene III (chlorination degree 62-67%) and the large series products of low Chlorinated Polypropylene III (chlorination degree 20-40%) two.Chlorinated Polypropylene III (CPP), because of excellent property, is widely used, and has obtained abroad tremendous development.Along with the industry requirement class such as printing, plastic wrapping improve constantly, add the development of senior ink, tackiness agent and coating, domestic market will sharply increase the demand of CPP, particularly ink industry requirement amount speedup maximum.But due to the reason of its molecular structure and molecular polarity, the performances such as its sticking power, cementability, compatibility can't meet many-sided needs, and Chlorinated Polypropylene III is while being applied in the products such as ink, paint, coating, all need to dissolve with ketone, benzene kind solvent, particularly inflammable, explosive, poisonous, the infringement workers ' health of " triphen ", contaminate environment etc.By to its chemical modification, in retaining Chlorinated Polypropylene III good characteristic, ageing-resistant, the resistance to combustion of product, erosion resistance are significantly increased, be soluble in esters solvent, do not need to use again " triphen " to dissolve, chlorine in modified chlorinated polypropylene and the functional group of other introducings, can strengthen the active site of chemical reaction, makes it have more new function.
The present invention utilizes rosin to contain two keys and carboxyl, tertiary hydrogen in Chlorinated Polypropylene III, and can there is esterification, polyreaction in the two keys in maleic anhydride, carry out blended melting graft modification, is a kind of novel chlorinated polypropylene of excellent property.
Summary of the invention
Technical problem to be solved by this invention is, utilize rosin to contain two keys and carboxyl, tertiary hydrogen in Chlorinated Polypropylene III, can there is esterification, polyreaction in the two keys in maleic anhydride, carry out blended melting graft modification, make modified chlorinated polypropylene resin, the solubility property in part ketone ester kind solvent is good, is applicable to manufacturing without benzene environmental intaglio compound oil ink, paint, coating, the tackiness agent without ketone.
Technical problem to be solved by this invention is to provide Modification by Melt Grafting Chlorinated Polypropylene III and preparation method thereof.
The technical scheme that the present invention solves its technical problem is:
1. Modification by Melt Grafting Chlorinated Polypropylene III and preparation method thereof, comprises following operation:
A) under normal temperature, Chlorinated Polypropylene III, rosin, maleic anhydride, initiator are dropped into super mixer in proportion, mix 10-30 second;
B) each twin screw extruder section temperature programming is arrived to certain temperature, above-mentioned compound, by the feeding machine of twin screw extruder, is added from spout with the feed rate of 40 Grams Per Minutes;
C) by program temperature control, charging opening 60-80 DEG C, melting mixing section 100-120 DEG C, graft reaction section 175-180 DEG C, 185 DEG C of heads are extruded, and draw slivering immediately, cross water cooling, pelletizing obtains product.
Wherein above-mentioned substance quality proportioning is as follows:
Chlorinated Polypropylene III 60-65 part
Rosin 20-25 part
Maleic anhydride 10-15 part
Initiator 0.1-0.3 part
The molecular weight of Chlorinated Polypropylene III of the present invention is 32-42 ten thousand, chlorinity 30-36%.
Rosin of the present invention is that the superfine of Pinus massoniana Lamb or pinus yunnanensis is to secondary quality index, below particle diameter 80 orders.
Initiator of the present invention is one or more the mixture in the fine ABN of azo two isobutyl, 2,2'-Azobis(2,4-dimethylvaleronitrile), dibenzoyl peroxide BPO, cyclohexanone peroxide:
Initiator 0.1～0.3
Embodiment
With specific embodiment, the present invention is further described below, described embodiment is easily grasped by those skilled in the art and verifies.By embodiment, the present invention is explained, not the present invention is made to restriction.
Embodiment 1:
By in 60 parts of Chlorinated Polypropylene IIIs, 25 parts of rosin, 15 parts of maleic anhydrides, 0.1 part of input super mixer of initiator, mix 30 seconds.Mixed material adds in self-feeder, under the feed rate and 40 revs/min of screw speeds of 40 Grams Per Minutes, by program temperature control, 65 DEG C of charging openings, 110 DEG C of melting mixing sections, 175 DEG C of graft reaction sections, 185 DEG C of heads are extruded, and draw immediately slivering, water cooling excessively, pelletizing obtain product.
Embodiment 2:
By in 65 parts of Chlorinated Polypropylene IIIs, 25 parts of rosin, 10 parts of maleic anhydrides, 0.2 part of input super mixer of initiator, mix 30 seconds.Mixed material adds in self-feeder, under the feed rate and 60 revs/min of screw speeds of 50 Grams Per Minutes, by program temperature control, 70 DEG C of charging openings, 120 DEG C of melting mixing sections, 180 DEG C of graft reaction sections, 185 DEG C of heads are extruded, and draw immediately slivering, water cooling excessively, pelletizing obtain product.
The performance index that the made modified chlorinated polypropylene resin of embodiment 1-2 reaches are as follows:
The solvability of table 1 modified chlorinated polypropylene resin in different solvents
Note: " √ " represents to dissolve completely, appearance transparent, stable system; "×" represents slightly soluble or insoluble
The sticking power of table 2 modified chlorinated polypropylene resin coating film on various plastics films
According to GB/T5210-1985 standard, employing is pulled open method and is tested.
Claims (5)
1. Modification by Melt Grafting Chlorinated Polypropylene III, is characterized in that, parts by weight ratio comprises:
Chlorinated Polypropylene III 60-65 part
Rosin 20-25 part
Maleic anhydride 10-15 part
Initiator 0.1-0.3 part.
2. Modification by Melt Grafting Chlorinated Polypropylene III according to claim 1, is characterized in that, the molecular weight of Chlorinated Polypropylene III is 32-42 ten thousand, chlorinity 30-36%.
3. Modification by Melt Grafting Chlorinated Polypropylene III according to claim 1, is characterized in that, rosin is that the superfine of Pinus massoniana Lamb or pinus yunnanensis is to secondary quality index, below particle diameter 80 orders.
4. Modification by Melt Grafting Chlorinated Polypropylene III according to claim 1, is characterized in that, fusion-grafting equipment is ZSK-30 twin screw extruder.
5. Modification by Melt Grafting Chlorinated Polypropylene III according to claim 1, is characterized in that, rosin, maleic anhydride (MAH) and peroxide initiator are dropped in super mixer in proportion, mixes 10-30 second.Mixed material adds in self-feeder, under the feed rate and 40-60 rev/min of screw speed of 40-50 Grams Per Minute, by program temperature control, charging opening 60-80 DEG C, melting mixing section 100-120 DEG C, graft reaction section 175-180 DEG C, 185 DEG C of heads are extruded, and draw immediately slivering, water cooling excessively, pelletizing obtain product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146847.0A CN103965406A (en) | 2014-04-11 | 2014-04-11 | Melt-grafting modified chlorinated polypropylene and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410146847.0A CN103965406A (en) | 2014-04-11 | 2014-04-11 | Melt-grafting modified chlorinated polypropylene and preparation method thereof |
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| CN103965406A true CN103965406A (en) | 2014-08-06 |
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| CN201410146847.0A Pending CN103965406A (en) | 2014-04-11 | 2014-04-11 | Melt-grafting modified chlorinated polypropylene and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536780A (en) * | 2022-10-24 | 2022-12-30 | 瑞易德新材料股份有限公司 | Alcohol-soluble modified grafted chlorinated polypropylene and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633301A2 (en) * | 1990-11-08 | 1995-01-11 | Lord Corporation | Modified halogenated polyolefin adhesives |
| CN1715352A (en) * | 2005-07-29 | 2006-01-04 | 湖北大学 | Modified chlorinated polypropylene adhesive |
| CN101555301A (en) * | 2009-05-19 | 2009-10-14 | 中山大学 | Method for preparing solid phase of chlorinated polypropylene or chlorinated maleic anhydride inoculated polypropylene |
| CN102134467A (en) * | 2010-12-31 | 2011-07-27 | 广州鹿山新材料股份有限公司 | Preparation method of nanometer barrier hot melt adhesive |
-
2014
- 2014-04-11 CN CN201410146847.0A patent/CN103965406A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633301A2 (en) * | 1990-11-08 | 1995-01-11 | Lord Corporation | Modified halogenated polyolefin adhesives |
| CN1715352A (en) * | 2005-07-29 | 2006-01-04 | 湖北大学 | Modified chlorinated polypropylene adhesive |
| CN101555301A (en) * | 2009-05-19 | 2009-10-14 | 中山大学 | Method for preparing solid phase of chlorinated polypropylene or chlorinated maleic anhydride inoculated polypropylene |
| CN102134467A (en) * | 2010-12-31 | 2011-07-27 | 广州鹿山新材料股份有限公司 | Preparation method of nanometer barrier hot melt adhesive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115536780A (en) * | 2022-10-24 | 2022-12-30 | 瑞易德新材料股份有限公司 | Alcohol-soluble modified grafted chlorinated polypropylene and preparation method and application thereof |
| CN115536780B (en) * | 2022-10-24 | 2023-12-26 | 瑞易德新材料股份有限公司 | Alcohol-soluble modified grafted chlorinated polypropylene and preparation method and application thereof |
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