CN1276021C - Polyvinyl chloride function modifier and its prepn process - Google Patents

Polyvinyl chloride function modifier and its prepn process Download PDF

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Publication number
CN1276021C
CN1276021C CN 200410014391 CN200410014391A CN1276021C CN 1276021 C CN1276021 C CN 1276021C CN 200410014391 CN200410014391 CN 200410014391 CN 200410014391 A CN200410014391 A CN 200410014391A CN 1276021 C CN1276021 C CN 1276021C
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China
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acid
type
polyvinyl chloride
polyol ester
modification agent
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Expired - Fee Related
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CN 200410014391
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Chinese (zh)
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CN1673270A (en
Inventor
黄艳
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NANJING CONCORD FERTILIZER CHEMISTRY Ltd
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NANJING XIEHE CHEMICAL CO Ltd
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Priority to CN 200410014391 priority Critical patent/CN1276021C/en
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Abstract

The present invention discloses a polyvinyl chloride functional modifier and a preparation method thereof. Boric acid polyol ester, salicylic acid polyol ester, acrylics processing auxiliary agents, oxidation homopolymer or oxidation polyethylene wax are compounded to form the modifier. The modifier has various functions of coupling agents, dispersing agents, inner and outer lubricating agents, processing agents, etc. The modifier has a unique modification function to a PVC/CaCO3 filling system. The modifier can promote plasticization, enhance dispersion and improve aging and processing performance; simultaneously, the modifier has the functions of coupling enhancement and heat stability, increases the physical and mechanical properties and the surface gloss of a product and can reduce the use of partial auxiliary agents and production cost.

Description

Polyvinyl chloride functional modification agent and preparation method thereof
Technical field
The invention belongs to the polyvinyl chloride (PVC) RESINS field, particularly relate to polyvinyl chloride functional modification agent and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) resin is one of important plastics, is widely used in a lot of fields.But PVC is a kind of hard brittle material, exists resistance to impact shock poor, poor processability, and shortcomings such as poor heat stability need to add a large amount of auxiliary agents in application, and the auxiliary agent function of using is often more single at present, and can have influence on the reduction of other performances.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming, a kind of compound modification agent that promotes to plastify, improve performance is provided.
Another object of the present invention provides the preparation method of above-mentioned modification agent.
Purpose of the present invention can realize by following measure:
A kind of polyvinyl chloride functional modification agent comprises the prescription of following weight part:
Acid polyol ester 1-3 part, Whitfield's ointment polyol ester 1.5-3 part, processing aids acrylic resin 0.5-2 part, oxidized homopolymer or oxidized polyethlene wax 1.5-3 part.
Described polyvinyl chloride functional modification agent can also increase the prescription of following weight part: homopolymer or polyethylene wax 0.5-2 part, lead stearate or calcium stearate 1-3 part on the basis of above-mentioned prescription.
Described polyvinyl chloride functional modification agent, acid polyol ester is wherein formed by boric acid and polyvalent alcohol and organic acid chemical combination.
Described polyvinyl chloride functional modification agent, polyvalent alcohol wherein can be glycerine, ethylene glycol, glycol ether, 1.2-propylene glycol, tetramethylolmethane, sorbyl alcohol.
Described polyvinyl chloride functional modification agent, organic acid wherein can be lauric acid, oleic acid, stearic acid, Palmiticacid, vinylformic acid.
Described polyvinyl chloride functional modification agent, oxidized homopolymer wherein can be A-C307 type, A-C307A type, AC316 type, AC316A type, A-C629 type, A-C629A type.
Described polyvinyl chloride functional modification agent, processing aids acrylic resin wherein can be K125-P type, ACR401 type, ACR201 type, PA-21 type.
Described polyvinyl chloride functional modification agent is characterized in that homopolymer wherein can be A-C617 type, A-C617A type.
A kind of preparation technology of polyvinyl chloride functional modification agent is characterized in that comprising the following step:
A. boric acid is mixed with polyvalent alcohol and organic acid, add non-acidic catalyst, heated and stirred, temperature are controlled at 180-210 ℃, react 3-5 hour, and reaction is finished, and filter, and get acid polyol ester, and be standby;
B. Whitfield's ointment is mixed with polyvalent alcohol, add non-acidic catalyst, heated and stirred, temperature are controlled at 180-200 ℃, react 4-6 hour, and reaction is finished, and filter, and get the Whitfield's ointment polyol ester, and be standby;
C. by prescription acid polyol ester, Whitfield's ointment polyol ester, processing aids acrylic resin, oxidized homopolymer or oxidized polyethlene wax are mixed, be heated to 100-150 ℃, reacted 90-120 minute, reaction is finished, and filters;
Perhaps, by prescription acid polyol ester, Whitfield's ointment polyol ester, processing aids acrylic resin, oxidized homopolymer or oxidized polyethlene wax, homopolymer or polyethylene wax, lead stearate or calcium stearate are mixed, be heated to 100-150 ℃, reacted 90-120 minute, reaction is finished, and filters.
The preparation technology of described polyvinyl chloride functional modification agent, wherein non-acidic catalyst can be the inferior tin of stannous citrate, formic acid, benzoic acid stannous, tetrabutyl titanate, titanium isopropylate.
Advantage of the present invention:
Modification agent of the present invention has multiple functions such as coupling agent, dispersion agent, inside and outside lubricant agent, processing aid, to PVC/CaCO 3Infill system has unique modifying function, can promote plasticizing, reduce melt viscosity, improves fluidity of molten and melt strength, makes the smooth exquisiteness of product surface, has the function of processing aid ACR; Have the coupling enhancement, fabulous surface modification effect is arranged, increase the loading level of system in right amount, quality of item is stable; Improve dispersiveness, the consistency of each component of formula system, improve interfacial layer bonding strength and plasticity-, reach effect toughness reinforcing, that increase; Performances such as PVC goods fillet weld strength, low temperature cold punching, tensile strength, elongation at break are significantly improved, have surface of good, processing and aging resistance simultaneously; Effect with auxiliary heat stabilizer can reduce the consumption of thermo-stabilizer in right amount, enough reduces production costs.
The present invention improves the experiment of PVC product performance:
Press the listed formula for a product of table 1 and make 1, No. 2 two kinds of product, modification agent of the present invention press embodiment 1 and is prepared in the prescription, and 1, the performance test results of 2 two kind of product sees Table 2.
Table 1 reference product prescription (unit: weight part)
Formula for a product No. 1 No. 2
PVC(SG-5) 100 100
Acrylate processing aid (ACR401) 2
Chlorinatedpolyethylene (CPE) 8.5 8
Titanium dioxide (rutile) 4.5 4.5
Stablizer (FWR-XC-B) * 4.5 4.5
Light calcium carbonate 10 25
Modification agent of the present invention 1.0
Pigment In right amount In right amount
*: the FWR-XC-B stablizer is that Nanjing consonance plastics chemical industry company limited produces.
Table 2 performance comparison (pressing the GB8814-98 standard testing)
Test item Technical indicator No. 1 No. 2 Individual event is judged
Hardness (HRR) ≥85 90 102 Qualified
Tensile yield strength (MPa) ≥37 40 43 Qualified
Elongation at break (%) ≥100 143 165 Qualified
Bending elastic modulus (MPa) ≥1960 2160 2380 Qualified
Low temperature drop impact (individual) Number≤1 breaks 1 0 Qualified
Qualified Vicat softening point (℃) ≥83 85 87 Qualified
Heating back state No bubble, slight crack, pit No bubble, slight crack, pit Qualified
Heating back size changing rate (%) ±2.5 -2.0 ?1.7 Qualified
Hydrogen index (HI) (%) ≥38 ≥40 ?42 Qualified
High low temperature size changing rate (%) ±0.2 -0.15 ?-0.1 Qualified
Shock strength (kJ/m 2) ≥40(23±2℃) 53 65 Qualified
Shock strength (kJ/m 2) ≥15(-10±1℃) 51 63 Qualified
Sinuousness (mm) ≤2.0 ≤1.0 0.5 Qualified
Outward appearance Surface smoothing, flawless, impurity etc. Surface smoothing, flawless, impurity etc. Qualified
Fillet weld strength (N) ≥3000 5460 ?5150 Qualified
Conclusion: adopt PVC product physical and mechanical properties of the present invention to be significantly improved, can reduce the use of other auxiliary agents simultaneously, with lower production cost.
Embodiment
Following examples are for further illustrating the present invention, but do not limit the present invention.
Embodiment 1
Boric acid 50g is mixed with ethylene glycol 110g and oleic acid 200g, add catalyzer metatitanic acid four butyl esters, heated and stirred, temperature are controlled at 200 ℃, react 4 hours, and reaction is finished, and filters, and promptly gets acid polyol ester, and is standby; Whitfield's ointment 200g is mixed with glycol ether 165g, add catalyzer metatitanic acid four butyl esters, heated and stirred, temperature are controlled at 200 ℃, react 5 hours, and reaction is finished, and filters, and promptly gets the Whitfield's ointment polyol ester, and is standby; Get acid polyol ester 100g, Whitfield's ointment polyol ester 300g, A-C307 type oxidized homopolymer 150g, K125-P type processing aids acrylic resin 150g mixing by prescription, be heated to 145 ℃, reacted 90 minutes, reaction is finished, and filters promptly.
Embodiment 2
Boric acid 50g is mixed with sorbyl alcohol 310g and stearic acid 230g, add the catalyzer stannous citrate, heated and stirred, temperature are controlled at 195 ℃, react 4 hours, and reaction is finished, and filter, and promptly get acid polyol ester, and be standby; Whitfield's ointment 200g is mixed with glycerine 150g, add the catalyzer stannous citrate, heated and stirred, temperature are controlled at 210 ℃, react 4 hours, and reaction is finished, and filter, and promptly get the Whitfield's ointment polyol ester, and be standby; Get acid polyol ester 300g by prescription and mix with Whitfield's ointment polyol ester 150g, AC316A type oxidized homopolymer 200g, K125-P type processing aids acrylic resin 100g, be heated to 130 ℃, reacted 120 minutes, reaction is finished, and filters promptly.
Embodiment 3
Boric acid 50g is mixed with tetramethylolmethane 235g and Palmiticacid 210g, add catalyzer metatitanic acid four isopropyl esters, heated and stirred, temperature are controlled at 210 ℃, react 4 hours, and reaction is finished, and filters, and promptly gets acid polyol ester, and is standby; Whitfield's ointment 200g is mixed with 1.2-propylene glycol 125g, add catalyzer metatitanic acid four isopropyl esters, heated and stirred, temperature are controlled at 200 ℃, react 4 hours, and reaction is finished, and filters, and promptly gets the Whitfield's ointment polyol ester, and is standby; Get acid polyol ester 120g, Whitfield's ointment polyol ester 280g, A-C629 type oxidized homopolymer 300g, K125-P type processing aids acrylic resin 50g, A-C617 type homopolymer 50g, lead stearate 300g by prescription, be heated to 120 ℃, reacted 120 minutes, reaction is finished, and filters promptly.
Embodiment 4
Boric acid 50g is mixed with glycol ether 180g and lauric acid 165g, add the inferior tin of catalyzer formic acid, heated and stirred, temperature are controlled at 210 ℃, react 4 hours, and reaction is finished, and filters, and promptly gets acid polyol ester, and is standby; Whitfield's ointment 200g is mixed with glycerine 150g, add the inferior tin of catalyzer formic acid, heated and stirred, temperature are controlled at 210 ℃, react 4 hours, and reaction is finished, and filters, and promptly gets the Whitfield's ointment polyol ester, and is standby; Get acid polyol ester 150g, Whitfield's ointment polyol ester 250g, A-C629A type oxidized homopolymer 150g, K125-P type processing aids acrylic resin 100g, A-C617A type homopolymer 150g, calcium stearate 100g mixing by prescription, be heated to 150 ℃, reacted 90 minutes, reaction is finished, and filters promptly.

Claims (10)

1, a kind of polyvinyl chloride functional modification agent is characterized in that comprising the prescription of following weight part:
Acid polyol ester 1-3 part, Whitfield's ointment polyol ester 1.5-3 part, processing aids acrylic resin 0.5-2 part, oxidized polyethlene wax 1.5-3 part.
2, polyvinyl chloride functional modification agent according to claim 1 is characterized in that also increasing the prescription of following weight part: polyethylene wax 0.5-2 part, lead stearate or calcium stearate 1-3 part.
3, polyvinyl chloride functional modification agent according to claim 1 is characterized in that acid polyol ester is wherein formed by boric acid and polyvalent alcohol and organic acid chemical combination.
4, polyvinyl chloride functional modification agent according to claim 3 is characterized in that polyvalent alcohol wherein is glycerine, ethylene glycol, glycol ether, 1.2-propylene glycol, tetramethylolmethane, sorbyl alcohol.
5, polyvinyl chloride functional modification agent according to claim 3 is characterized in that organic acid wherein is lauric acid, oleic acid, stearic acid, Palmiticacid, vinylformic acid.
6, polyvinyl chloride functional modification agent according to claim 1 is characterized in that oxidized polyethlene wax wherein is A-C307 type, A-C307A type, AC316 type, AC316A type, A-C629 type, A-C629A type.
7, polyvinyl chloride functional modification agent according to claim 1 is characterized in that processing aids acrylic resin wherein is K125-P type, ACR401 type, ACR201 type, PA-21 type.
8, polyvinyl chloride functional modification agent according to claim 2 is characterized in that polyethylene wax wherein is A-C617 type, A-C617A type.
9, the preparation technology of claim 1 or 2 described polyvinyl chloride functional modification agents is characterized in that comprising the following step:
A. boric acid is mixed with polyvalent alcohol and organic acid, add non-acidic catalyst, heated and stirred, temperature are controlled at 180-210 ℃, react 3-5 hour, and reaction is finished, and filter, and get acid polyol ester, and be standby;
B. Whitfield's ointment is mixed with polyvalent alcohol, add non-acidic catalyst, heated and stirred, temperature are controlled at 180-200 ℃, react 4-6 hour, and reaction is finished, and filter, and get the Whitfield's ointment polyol ester, and be standby;
C. by prescription acid polyol ester, Whitfield's ointment polyol ester, processing aids acrylic resin, oxidized polyethlene wax are mixed, be heated to 100-150 ℃, reacted 90-120 minute, reaction is finished, and filters;
Perhaps, by prescription acid polyol ester, Whitfield's ointment polyol ester, processing aids acrylic resin, oxidized polyethlene wax, polyethylene wax, lead stearate or calcium stearate are mixed, be heated to 100-150 ℃, reacted 90-120 minute, reaction is finished, and filters.
10, the preparation technology of polyvinyl chloride functional modification agent according to claim 9 is characterized in that non-acidic catalyst is the inferior tin of stannous citrate, formic acid, benzoic acid stannous, tetrabutyl titanate, titanium isopropylate.
CN 200410014391 2004-03-23 2004-03-23 Polyvinyl chloride function modifier and its prepn process Expired - Fee Related CN1276021C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101456969B (en) * 2008-12-29 2011-11-09 南京协和化学有限公司 Functional calcium carbonate and method for producing the same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101319054B (en) * 2007-06-06 2011-02-09 夏森林 PVC engineering additive
CN102061044A (en) * 2010-12-10 2011-05-18 河南理工大学 High shock resistance type inflaming retarding antistatic polyvinyl chloride composition and preparation method thereof
CN102702244B (en) * 2012-06-19 2015-11-18 芮立 Plastics or the rubber filler preparation method of surface activation process additive
CA2922847C (en) 2013-09-24 2021-06-29 Thales Australia Limited Burn rate modifier
CN104910413A (en) * 2015-05-28 2015-09-16 青阳县恒源化工原料有限责任公司 High-plasticity heavy active calcium carbonate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101456969B (en) * 2008-12-29 2011-11-09 南京协和化学有限公司 Functional calcium carbonate and method for producing the same

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Effective date of registration: 20200902

Address after: No.90-98, Fangshui Road, Nanjing Chemical Industrial Park, Nanjing, Jiangsu Province, 210024

Patentee after: NANJING CONCORD FERTILIZER CHEMISTRY LTD.

Address before: 210024 No. 228, Guangzhou Road, Gulou District, Jiangsu, Nanjing

Patentee before: Nanjing Xiehe Chemical Co.,Ltd.

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Granted publication date: 20060920