CN100497451C - Recycled method for a wasted polymer which is mixed polyester and polyamide and reclaimed materials thereof - Google Patents

Recycled method for a wasted polymer which is mixed polyester and polyamide and reclaimed materials thereof Download PDF

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Publication number
CN100497451C
CN100497451C CNB2005800169517A CN200580016951A CN100497451C CN 100497451 C CN100497451 C CN 100497451C CN B2005800169517 A CNB2005800169517 A CN B2005800169517A CN 200580016951 A CN200580016951 A CN 200580016951A CN 100497451 C CN100497451 C CN 100497451C
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polyester
acid
amides
weight
block polymer
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CN1957027A (en
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金度均
金斅晟
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KIM DO-GYUN KIM HYO-SENG
KIM DO GYUN KIM HYO SENG
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KIM DO-GYUN KIM HYO-SENG
KIM DO GYUN KIM HYO SENG
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00Recovery or working-up of waste materials
    • C08J11/04Recovery or working-up of waste materials of polymers
    • C08J11/10Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C08J11/22Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
    • C08J11/24Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/44Polyester-amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/12Polyester-amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/12Polyester-amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/20Recycled plastic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The present invention relates to a recycling method of a mixed waste of polyester and polyamide (hereinafter, referred to as 'mixed waste') in which polyesters including polyethylene terephthalate and polyamides are inseparable from one another. In accordance with the recycling method of the present invention, it is possible to prepare a solid block polymer having an acid value of 1 to 150 mgKOH/g, a weight average molecular weight of 3,000 to 50,000 and a softening point of 10 to 150 DEG C, or a liquid polyester-amide block polymer composition having good compatibility, solubility and dispersibility. In addition, the polymer having an acid value of more than 20 mgKOH/g is reacted with a basic compound to form a neutralized salt which is then used to prepare a water-soluble polyester-amide block polymer composition. The prepared water-soluble polyester-amide block polymer composition can be utilized as industrially useful material such as synthetic resin fine particles, microcapsules, adsorbents, polymerization toner binders for electron photography, fiber processing agents, sizing agents for use in paper-making and paper strength agents, wastewater treatment agents, dispersants, cement admixtures, inkjet ink binders, epoxy resin curing agents and modifiers, water-dispersible epoxy resin curing agents and modifiers. The solid or liquid polyester-amide block polymer composition having an acid value of less than 10 mgKOH/g can be employed as industrially useful material such as printer ink, coating materials, powder paints, adhesives, hot melt adhesives, binders for toner manufactured by grinding methods, waterproofing agents, unsaturated polyester-amide resins, and polyurethane resins.

Description

Waste of polymeric (mixed polyester-polymeric amide) recovery method and twice-laid stuff thereof
Technical field
The present invention relates to a kind of method that is used to prepare the polyester-amides resin combination, this polyester-amides resin combination can be used as novel material, and passing through to reclaim the mixing waste of polyester and polymeric amide (hereinafter to be referred as " mixing waste ", for example polyester and polymeric amide blend fiber waste material, waste plastic bottle and useless composite molding) and have polyester block and polyamide-block in the molecular structure of the polymkeric substance that produces, wherein, the polyester and the polymeric amide that comprise polyethylene terephthalate are blended, thereby can not separate each other.
Background technology
Recently, along with polyester and polymeric amide (its typical case's representative is PET and nylon) are widely used in making fiber, PET bottle, film and as the injection mould goods of plastics, in its manufacturing processed with and a large amount of waste materials of using the back to produce caused the worry of environment aspect.But the yield and the rate of recovery of this type of waste material are very little, and be very limited.At present, this type of waste material at most only carries out the simple physics heat fused to be handled, to produce secondary processing product or material.Therefore, resulting reconstituted product is of poor quality, so the ability of its recycling is subjected to great restriction.And advanced persons' such as the U.S. and Japan industrial state has implemented strict environmental specification, and therefore, in order to tackle such action and trend, some company has proposed the product and the production method thereof that obtain by the recovery method that uses chemical reaction.For example, can be with reference to No. the 4166896th, 4223068 and 4417001, United States Patent (USP), and Japanese patent application discloses Hei5-311114,6-9923 and 8-253596 number in early days, these patents all relate to the method that recovery only contains the waste material of polyester (PET).Specifically, polyester/polyamide mixing prod such as Plastic Bottle, composite molding and blend fiber do not reclaim at present, and this has caused the serious problems relevant with its processing, thereby presses for the solution at these problems.And, up to the present, the acquisition and the manufacturing of high functionality material are not studied as yet.
Summary of the invention
Technical problem
Along with extensive research is carried out in the recovery of polyester and polymeric amide mixing waste ((PET) is opposite with pure polyester), to solve the problems referred to above that conventional art was showed, the inventor has been found that, mixing waste is carried out physical grinding, depolymerization and polycondensation, can obtain the polymkeric substance of solid or liquid, in the molecular structure of resulting polymkeric substance, contain polyester block and polyamide-block, and has required physical property, thereby produce the industrial useful material of high-performance and high added value, and proposed the present invention according to these discoveries.Therefore, the purpose of this invention is to provide a kind of method that is used to prepare the polyester-polyamide block polymeric composition.
Technical scheme
In order to solve the problems of the technologies described above, disclose the present invention by following examples: (1) uses the depolymerization embodiment of solid resin, (2) the depolymerization embodiment of use polyvalent alcohol, (3) use the depolymerization embodiment of polyvalent alcohol in conjunction with solid resin, (4) the depolymerization embodiment of use oligopolymer, and the depolymerization embodiment of the polynary alcoholate of list of the monoglyceride of (5) use lipid acid and lipid acid.
According to the first embodiment of the present invention, above-mentioned and other purpose can realize that this mixing waste recovery method comprises by a kind of mixing waste recovery method is provided:
(a) use solid resin depolymerization mixing waste, and carry out addition reaction by adding the mixing waste of polyprotonic acid after to depolymerization;
(b) product after the use polyvalent alcohol polycondensation depolymerization is to obtain to have the polyester-amides block polymer of 1 to 150mgKOH/g acid number; And
(c) reclaim the polyester-amides block polymer at acid number in greater than the solid of 20mgKOH/g or solution state, or reclaim the polyester-amides block polymer in less than the solid state of 20mgKOH/g at acid number.
According to a second embodiment of the present invention, provide a kind of recovery method of mixing waste, it comprises:
(a) with mixing waste and polyol reaction, to obtain the polyester-amides depolymerization product;
(b) with product after the depolymerization and polyprotonic acid reaction, and use the polyvalent alcohol polycondensation product, to obtain the polyester-amides block polymer, its end of the chain contains 2 or 3 carboxyls, and has 1 to 150mgKOH/g acid number; And
(c) with polyester-amides block polymer and basic cpd reaction,, be scattered in then in water, hydrophilic solvent or its mixed solvent, to obtain water-soluble and polyester liquid water dispersible to obtain the polyester-amides block polymer of neutralized salt form.
A third embodiment in accordance with the invention provides a kind of recovery method of mixing waste, and it comprises:
(a),, use the Stabilised resin of depolymerization to carry out stabilization then, to obtain stable polyester-amides depolymerization product to obtain the polyester-amides depolymerization product with mixing waste and polyol reaction;
(b) product after use polyprotonic acid, the different phthalic acid sodium salt of dimethyl 5-sulfonic acid (DMSSIP) or its mixture polycondensation depolymerization, and acid number is adjusted polyvalent alcohol add in the reaction products resulting, to obtain the polyester-amides block polymer; And
(c) with the aqueous solution form that polymkeric substance is water-soluble, reclaim the polyester-amides block polymer with the form of the organic solution that polymkeric substance is dissolved in hydrophilic organic solvent or with the solid form.
A fourth embodiment in accordance with the invention provides a kind of method that reclaims mixing waste, and it comprises:
(a) with polyvalent alcohol and the alkali metal sulfamate reactant salt that comprises the aromatic dicarboxylic acid of DMSSIP, with the preparation polyester oligomer;
(b) with polyester oligomer and mixing waste reaction,, behind transesterification, carry out polycondensation then, to obtain the polyester-amides block polymer with the depolymerization mixing waste; And
(c) with the aqueous solution form that polymkeric substance is water-soluble, reclaim the polyester-amides polymkeric substance with the form of the organic solution that polymkeric substance is dissolved in hydrophilic solvent or with the solid form.
According to a fifth embodiment of the invention, provide a kind of method that reclaims mixing waste, it comprises:
(a) use and to comprise that the polyvalent alcohol of glycerine carries out transesterification to oil ﹠ fat,, and mixing waste added on it with the monoglyceride of preparation lipid acid and single alcoholate of lipid acid, thus the depolymerization mixing waste;
(b) polyprotonic acid and polyvalent alcohol are added in the depolymerization composition, contain the oil-modified alkyd resin of polyester-amides block polymer as polycondensation product with preparation;
(c) oil-modified alkyd resin that will contain the polyester-amides polymkeric substance is dissolved in the organic solvent, for example petroleum naphtha or dimethylbenzene, and reclaim the organic solution of resulting Synolac.
In the step (b) of above-mentioned five embodiment of the present invention, can additionally add monomer and the useless polymeric amide that produces polymeric amide and react, to produce polyamide-block.Preferably, with 1% to 90% content by weight monomer and useless polymeric amide are added in the polymkeric substance for preparing.
According to the recovery method of mixing waste of the present invention, can easily have good consistency, solvability and dispersed liquid or solid polyester-amides block polymer by reclaiming the mixing waste acquisition.Specifically, the polyester-amides resin that obtains according to recovery method of the present invention has shown excellent consistency, dispersiveness, solvability and tackiness.
Therefore, the polyester-amides block polymer that can reclaim according to the present invention is as industrial useful material, for example synthetic resins particulate, microcapsule, sorbent material, the polymerization toner binding agent that is used for electronic photography, fibre finish, paper grade (stock) sizing agent and paper strengthening agent, waste water conditioner, cement additive, the ink-jet binding agent of ink-jet printer, epoxy curing agent and properties-correcting agent, water-dispersible epoxy resins solidifying agent and properties-correcting agent, printing ink, paint, the powder lacquer, tackiness agent, hotmelt, the binding agent of the toning agent of making by Ginding process, water-resisting agent, crosslinked curable unsaturated polyester-amide resins and polyurethane resin.
Description of drawings
(nothing)
Embodiment
To specify mixing waste recovery method below according to every embodiment of the present invention.
At first, mixing waste recovery method according to the first embodiment of the present invention is described.
Mixing waste recovery method according to the first embodiment of the present invention comprises:
(a) depolymerization mixing waste;
(b) product after the resulting depolymerization of use polyvalent alcohol polycondensation is to obtain to have the polyester-amides block polymer of 1 to 150mgKOH/g acid number; And
(c) reclaim the polyester-amides block polymer at acid number in greater than the solid of 20mgKOH/g or solution state, or reclaim the polyester-amides block polymer in less than the solid state of 20mgKOH/g at acid number.
Step (a) is the step of the collected mixing waste of depolymerization.That is to say, mixing waste is carried out physical grinding, in inert gas atmospheres such as nitrogen, melt, and with the solid resin solvent reaction, thereby carry out first depolymerization.The composition that in the molecular structure of solid resin solvent, has conjugated link(age) isoreactivity functional group, be sylvic acid, pimaric acid or compound resin acid, with ester bond and the amido linkage reaction in the mixing waste, to disconnect main chain, make the mixing waste depolymerization, thereby reduced molecular weight.Object lesson that can solid resin solvent used in this invention includes but not limited to rosin, wood rosin, starex, staybelite, maleated rosin, rosin ester, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar gum, jade-like stone crust resin, DCPD resin, hydrogenation DCPD resin, benzodiazepine maleate ethenoid resin and any combination thereof.
Preferably, solid resin solvent: the ratio of mixture of mixing waste in weight ratio in the scope of 1:10 to 10:1.Ratio of mixture is lower than 1:10 and may causes the depolymerization of mixing waste very poor.On the contrary, if ratio of mixture greater than 10:1, this may cause problems such as the low and mechanical properties of thermotolerance.
Then, in order to control intrinsic viscosity and molecular weight, with depolymerization product and polyprotonic acid reaction, with further execution second depolymerization and addition reaction (Di Ersi Alder reaction).Object lesson that can polyprotonic acid used in this invention includes but not limited to anhydrous phthalic acid, m-phthalic acid, terephthalic acid, hexanodioic acid, nonane diacid, sebacic acid, anhydrous tetrahydrophthalic acid, Maleic Acid, Anhydrous, fumaric acid, methylene-succinic acid, trihemellitic acid, anhydrous trihemellitic acid, anhydrous pyromellitic acid, Succinic Acid, cyclohexyl dicarboxylic acid, naphthalic acid, dimeracid, C6-C25 lipid acid and any combination thereof.
Preferably, the usage quantity of polyprotonic acid account for by weight first depolymerization product weight 1% to 70%.If the amount of polyprotonic acid is lower than 1% by weight, this may cause the generation of high-melting-point polymer, thereby causes modification problem inferior.But if the amount of polyprotonic acid surpasses 70% by weight, this may consume a large amount of polyvalent alcohols, thereby is disadvantageous from the angle of economy.
Step (b) is to use the depolymerization product of polyvalent alcohol condensation polymerization step (a), to control acid number and to increase molecular weight.
Object lesson that can polyvalent alcohol used in this invention includes but not limited to ethylene glycol, propylene glycol, 1, ammediol, 1,4-butyleneglycol, 1, the monoglyceride of the alkylene oxide adduct of 6-hexylene glycol, neopentyl glycol, Diethylene Glycol, dipropylene glycol, polyoxyethylene glycol, dihydroxyphenyl propane, TriMethylolPropane(TMP), glycerine, tetramethylolmethane, lipid acid and the polynary alcoholate of the list of lipid acid and any combination thereof.
Preferably, the usage quantity of polyvalent alcohol account for by weight step (a) depolymerization product weight 1% to 70%.If the amount of polyvalent alcohol is by weight less than 1%, this may cause modification inferior because of the generation of high-melting-point polymer.On the contrary, if the amount of polyvalent alcohol by weight greater than 70%, this may cause the generation of high-molecular weight polymer, thereby causes and low water solubility or the low moisture relevant problem of property of loosing.In addition,, can add monomer and useless polymeric amide that extra being used to produces polymeric amide, and react, to produce polyamide-block in order to control the physical property of product.Preferably, add monomer and useless polymeric amide with 1% to 90% the content that accounts for the preparation polymer weight.
The polymeric amide generation monomer and the useless polymeric amide that can be used in the step (b) are at least a waste materials that is selected from the group that is made up of and the following: contain the lactan of 6 above carbon atoms, for example 6-hexanolactam and lauryl lactan; Aliphatics aminocarboxylic acid, for example hexosamine, 7-aminoheptylic acid, 11-aminoundecanoic acid, 12; The polycondensation product of diacid and diamines, for example hexanediamine diadipate; And useless polymeric amide, 6-nylon, 6 for example, 6-nylon, 11-nylon and 12-nylon.
From water-soluble and angle water dispersible, so the acid number of the polyester-amides that obtains is preferably adjusted to 1 to 150mgKOH/g scope.If acid number is less than 1mgKOH/g, this may cause problems such as low water solubility and water dispersible.But, if acid number greater than 150mgKOH/g, this may cause the problem relevant with tackiness, chemical property and electrical specification.
Step (a) and (b) in reaction all carry out in the solid phase of melted state.Preferably,, under the situation of catalyzer that responds, react, for example account for the Dibutyltin oxide (DBTO) of reactant gross weight 0.05% to 0.5% by weight from accelerating the angle of speed of reaction.In addition, step (a) and (b) preferably in 200 to 250 ℃ scope, carry out.If temperature of reaction is lower than 200 ℃, this can cause problems such as time-delay reaction speed and generation low-molecular weight polymer.On the contrary, if temperature of reaction is higher than 250 ℃, this can cause problems such as oxidizing reaction and generation high-molecular weight polymer.In order to obtain preferred tackiness and mechanical characteristics, the polyester-amides polymkeric substance that is obtained in the step (b) has weight average molecular weight 3,000 to 50,000 and 10 to 150 ℃ of softening temperatures, and the polyamide-block content in the molecular structure of control resulting polymers is 1% to 90% by weight.
When the acid number of the polyester-amides block polymer of acquisition like this during greater than 20mgKOH/g, not only can reclaim the polyester-amides block polymer with the solid form, and can reclaim with the form of the solution of polymer dissolution in water, hydrophilic solvent or its mixed solvent, be fit to the water-soluble of required purposes and application because have.On the contrary, when the acid number of polyester-amides polymkeric substance during less than 20mgKOH/g, can't reclaim the polyester-amides block polymer with the form of the aqueous solution, because be difficult to obtain enough solvabilities, therefore, preferably, reclaim polymkeric substance with the solid form, using, or use after in being dissolved in appropriate solvent, decide on required purposes as solid state.
If in step (c), need reclaim the polyester-amides block polymer, then preferably, prepare solution according to following steps with the form of solution.
That is to say, with polyester-amides block polymer (it has the acid number greater than 20mgKOH/g) and the basic cpd reaction that is obtained in the step (b), to obtain the neutralized salt of polyester-amides block polymer.In N-process, convert the carboxyl that exists in the polyester-amides polymkeric substance to its corresponding neutralized salt structure, thereby increase water-soluble.Object lesson that can basic cpd used in this invention includes but not limited to sodium hydroxide, potassium hydroxide, ammonium hydroxide, lithium hydroxide, organic amine and any combination thereof.Preferably, the usage quantity of basic cpd account for by weight the polyester-amides polymkeric substance weight 3% to 30%.If the amount of basic cpd is by weight less than 3%, this may cause problems such as low water solubility or the diffusing property of low moisture.On the contrary, if the amount of basic cpd by weight greater than 30%, this may cause the problem relevant with tackiness, chemical property and electrical specification.
When being dissolved in neutral polyester-amides block polymer in water, hydrophilic solvent or its mixture, can obtain water miscible polyester liquid or polyester organic solution.Object lesson that can hydrophilic solvent used in this invention includes but not limited to ethanol, ether, acetone, Pyranton, DIMETHYL FORMAMIDE and dimethyl acetamide, tetrahydrofuran (THF), ethyl cellosolve, propyl cellosolve, ethylene glycol butyl ether, N-N-methyl-2-2-pyrrolidone N-and any combination thereof.
Preferably, the usage quantity of water, hydrophilic solvent or its mixed solvent be in and 1 to 10 times of the weight of polyester-amides polymkeric substance.If the usage quantity of solvent less than in and 1 times of the weight of polyester-amides polymkeric substance, this may cause workability not good.On the contrary, if the amount of solvent greater than in and 10 times of the weight of polyester-amides polymkeric substance, then can too dilute resulting solution, thereby cause the problem relevant with tackiness and efficient.
Mixing waste recovery method according to a second embodiment of the present invention will be described below.
At first, by depolymerization blended waste material with polyol reaction.Ester bond reaction in hydroxyl groups and the mixing waste, with the disconnection main chain, thereby depolymerization blended waste material reduces its molecular weight.The object lesson that can be used in the polyvalent alcohol in the second embodiment of the present invention includes but not limited to ethylene glycol, propylene glycol, 1, ammediol, 1,4-butyleneglycol, 1, the monoglyceride of the alkylene oxide adduct of 6-hexylene glycol, neopentyl glycol, Diethylene Glycol, dipropylene glycol, polyoxyethylene glycol, dihydroxyphenyl propane, TriMethylolPropane(TMP), glycerine, tetramethylolmethane, lipid acid and the polynary alcoholate of the list of lipid acid and any combination thereof.
Then, with product after the depolymerization and polyprotonic acid reaction, and use the polyvalent alcohol polycondensation product, to obtain the polyester-amides polymkeric substance, its end of the chain contains 2 or 3 carboxyls, and has 1 to 150mgKOH/g acid number.
The object lesson that can be used in the polyprotonic acid in the recovery method according to a second embodiment of the present invention includes but not limited to anhydrous phthalic acid, m-phthalic acid, terephthalic acid, hexanodioic acid, nonane diacid, sebacic acid, anhydrous tetrahydrophthalic acid, Maleic Acid, Anhydrous, fumaric acid, methylene-succinic acid, trihemellitic acid, anhydrous trihemellitic acid, anhydrous pyromellitic acid, Succinic Acid, cyclohexyl dicarboxylic acid, naphthalic acid, dimeracid, C6-C25 lipid acid and any combination thereof.
Preferably, 1% to 50% of the weight of the usage quantity of the polyprotonic acid depolymerization product that accounts for previous step by weight and obtained.If the usage quantity of polyprotonic acid is lower than 1% by weight, this may cause the generation of high-melting-point polymer, thereby causes modification problem inferior.On the contrary, if the amount of polyprotonic acid surpasses 50% by weight, this may consume a large amount of polyvalent alcohols, thereby is disadvantageous from the angle of economy.
Then, with polyester-amides polymkeric substance and basic cpd reaction, in water or hydrophilic organic solvent, has the neutralized salt of the deliquescent polyester-amides polymkeric substance of increase with acquisition.
The object lesson that can be used in the basic cpd in the recovery method according to a second embodiment of the present invention includes but not limited to sodium hydroxide, potassium hydroxide, ammonium hydroxide, lithium hydroxide, organic amine and any combination thereof.Preferably, the usage quantity of basic cpd accounts for 1% to 30% of polyester-amides polymkeric substance by weight.If the amount of basic cpd is by weight less than 1%, this may cause the insufficient problem of solvability in the mixed solvent of water or hydrophilic organic solvent and water.On the contrary, if the amount of basic cpd by weight greater than 30%, this may cause not good with low tackiness, chemical property and the not good relevant problem of electrical specification.
Then, the neutralized salt of polyester-amides polymkeric substance is scattered in water, hydrophilic solvent or its mixed solvent, with the mixing waste of polyester-amides solution form that obtains to be dissolvable in water water and can be scattered in water as final product.The object lesson that can be used in the hydrophilic solvent in the recovery method according to a second embodiment of the present invention includes but not limited to ethanol, acetone, Pyranton, DIMETHYL FORMAMIDE, dimethyl acetamide, ethyl cellosolve, propyl cellosolve, ethylene glycol butyl ether, tetrahydrofuran (THF), N-N-methyl-2-2-pyrrolidone N-and any combination thereof.
Preferably, the usage quantity of hydrophilic solvent account for by weight the polyester-amides polymkeric substance neutralized salt weight 1% to 100%.Usage quantity can cause solvability not good less than 1% of hydrophilic solvent.On the contrary, if the amount of hydrophilic solvent surpasses 100% by weight, be disadvantageous then from environment and economic angle.In addition, with product and polyprotonic acid and the polyol reaction that uses second embodiment of the present invention depolymerization mixing waste to be obtained, the polyesteramide polyol that has 1 to 10mgKOH/g acid number and 5 to 200mgKOH/g hydroxyl values with preparation, then itself and diisocyanate are reacted, to obtain the polyurethane resin.In addition, the ethylene type vinyl monomer that contains polymerization retarder can be dissolved in the polyester-amides block polymer, to obtain crosslinked curable undersaturated polyesteramide resin.
The mixing waste recovery method of a third embodiment in accordance with the invention will be described below.
At first, according to the mode identical according to the mixing waste recovery method of second embodiment, with mixing waste and polyol reaction, to obtain the polyester-amides depolymerization product.
Then, with polyester-amides depolymerization product and the Stabilised resin reaction of depolymerization, to obtain by the stable polyester-amides depolymerization product of transesterification.The Stabilised resin of depolymerization has the characteristic of controlled polymerization degree, thereby can rely on reversible to react stabilized polyester-acid amides depolymerization product.The object lesson that can be used in the Stabilised resin of depolymerization in the third embodiment of the present invention includes but not limited to rosin, wood rosin, starex, staybelite, maleated rosin, rosin ester, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar gum, jade-like stone crust resin, DCPD resin, hydrogenation DCPD resin, benzodiazepine maleate ethenoid resin and any combination thereof.Preferably, the usage quantity of the Stabilised resin of depolymerization account for by weight depolymerization product weight 1% to 100%.If the amount of Stabilised resin is by weight less than 1%, this may cause the problem relevant with extent of polymerization with the control of intrinsic viscosity.On the contrary, if the amount of Stabilised resin surpasses 100% by weight, this may the generation problem relevant with thermotolerance and mechanical characteristics.
Then, use polyprotonic acid, the different phthalic acid sodium salt of dimethyl 5-sulfonic acid (DMSSIP) or its mixture polycondensation depolymerization product.Here, the object lesson of available polyprotonic acid is identical with second embodiment with amount.
DMSSIP is used to improve water-soluble or water dispersible.DMSSIP is mixed with polyprotonic acid when using, and DMSSIP preferably mixes with 1% to 30% the amount that accounts for polyprotonic acid weight by weight.If the amount of DMSSIP by weight less than 1%, then almost can't obtain extra effect.If the amount of DMSSIP is by weight greater than 30%, this may cause the problem relevant with water-repellancy, chemical property and electrical specification.
Then, add the polyvalent alcohol that is used for adjusting acid number to resulting material,, thereby obtain the polyester-amides polymkeric substance with further execution polycondensation.Here, used identical among the object lesson of operable polyvalent alcohol and second embodiment.
Then, with the polyester-amides polymer dissolution in water, hydrophilic organic solvent or its mixed solvent, so that reclaim in the form of the organic solution of hydrophilic organic solvent or with the solid form with aqueous solution form, the polymer dissolution of polymer dissolution in water.Here, used identical in the object lesson of operable hydrophilic organic solvent and amount and the recovery method according to second embodiment.
The mixing waste recovery method of a fourth embodiment in accordance with the invention will be described below.
At first, preparation contains the polyester oligomer of the alkali metal sulfonate residue of aromatic dicarboxylic acid (comprising DMSSIP).This polyester oligomer can be by being used to prepare the traditional technology preparation of polyester, for example transesterification or direct esterification effect.In order to increase the solvability of resulting polyester-amide polymer in the mixed solvent of water or water and hydrophilic solvent, mix and use the alkali metal sulfonate of aromatic dicarboxylic acid (comprising DMSSIP).Here, preferably, the usage quantity of the alkali metal sulfonate of aromatic dicarboxylic acid accounts for 1% to 30% of polyprotonic acid by weight.If the amount of the alkali metal sulfonate of aromatic dicarboxylic acid by weight less than 1%, then almost can't obtain extra effect.On the contrary, if the amount of the alkali metal sulfonate of aromatic dicarboxylic acid by weight greater than 30%, then the thermal property of resulting polyester-amide polymer and mechanical characteristics are not enough to satisfy the actual requirement of using, this point is very unfavorable.
Then, will contain the polyester oligomer and the reaction of blended waste material of the alkali metal sulfonate residue of aromatic dicarboxylic acid, with depolymerization blended waste material.If reaction continues further to carry out, can obtain the polyester-amides polymkeric substance by after transesterification, carrying out polycondensation, in the mixed solvent of water or water and hydrophilic solvent, to show the solvability of increase.
At last, with the aqueous solution of polymer dissolution in water, hydrophilic solvent or its mixed solvent or the form recovery polyester-amides block polymer of wetting ability organic solution.Here, used identical in the object lesson of operable hydrophilic solvent and amount and the recovery method according to second embodiment.
Certainly, finish after the polycondensation, can directly reclaim the polyester-amides polymkeric substance with the solid form.
Mixing waste recovery method according to a fifth embodiment of the invention will be described below.
At first, use to comprise that the polyvalent alcohol of glycerine comes the transesterification oil ﹠ fat, with the monoglyceride of preparation lipid acid and the polynary alcoholate of list of lipid acid.Mixed waste material added in the resulting material and with its reaction, to obtain the product of depolymerization.Then, polyprotonic acid is added in the depolymerization product, thereby make its polycondensation, then add polyvalent alcohol, with the control acid number.Further carry out polycondensation, to obtain to contain the oil-modified alkyd resin of polyester-amides block polymer, then it is dissolved in the organic solvent, for example petroleum naphtha or dimethylbenzene are with the organic solution of preparation oil-modified alkyd resin.Here, the object lesson of operable polyprotonic acid and polyvalent alcohol is identical with second embodiment.
In order to control the physical property of resulting polymkeric substance among first to the 5th embodiment of the present invention, can further add monomer and the useless polymeric amide that produces polymeric amide and react, with generation polyamide-block in step (b).Preferably, containing in the polymkeric substance for preparing is 1% to 90% monomer and useless polymeric amide by weight.
By using mixing waste recovery method according to the abovementioned embodiments of the present invention, can obtain to contain in the molecular structure of solid or liquid polymers is the polyester-amides resin of 1% to 90% polyamide-block by weight.So the polyester-amides block polymer that obtains has 10 to 110 ℃ flow starting temperature (Tfb), 110 to 165 ℃ mobile end temp (Tend) and 10 to 85 ℃ glass transition temperature, and this is to use the kapillary Extrusion Rheometer to record under given load.In addition, so the polyester-amides resin that obtains has two or three carbonyls at its end of the chain, thereby produces good reactivity and dispersed.The polyester-amides resin that therefore, can reclaim according to the present invention is as ink-jet binding agent, epoxy curing agent and properties-correcting agent, water-dispersible epoxy resins solidifying agent and the properties-correcting agent of synthetic resins particulate, microcapsule, sorbent material, the polymerization toner binding agent that is used for electronic photography, fibre finish, paper grade (stock) sizing agent and paper strengthening agent, waste water conditioner, cement additive, ink-jet printer.
A kind of method that is used to prepare the toning agent that uses for electrostatic development will be described below, wherein use according to the present invention from mixing waste the regenerated polyester-amides as binding agent.That is to say, can pass through traditional polymerization technique or Ginding process, use a kind of composition, prepare the toning agent that uses for electrostatic development, wherein, add to according to the present invention tinting material, charge control agent and releasing agent in the regenerated polyester-amides resin.
Water-soluble poly ester-acid amide block polymeric composition of the present invention has good dispersiveness, consistency and solvability, thereby can form shell on the surface of the core material that is selected from medicine, perfume compound, metal-powder etc.Therefore, polyester-amides block polymeric composition of the present invention is mixed with core material, and resulting mixture is suspended in the water that contains suspension promotor, filter, and water cleans, and has the synthetic resins particulate of 1 to 10D particle diameter with preparation.The material that the particle that so prepares can be used as makeup, pharmaceutical carrier or electronics.
In addition, water-soluble polyester of the present invention-amide resins synthetics has shown excellent consistency, solvability, dispersiveness and tackiness, therefore can be used as synthetic fiber yarn, weaving sizing agent and treatment agent.
And water-soluble polyester-amide compositions of the present invention has shown excellent reactivity, tackiness and cohesiveness to paper cellulose, therefore can be as the sizing agent and the paper strengthening agent of paper grade (stock).
In addition, water-soluble polyester-amide compositions of the present invention shows excellent reactivity and cohesiveness to the mud in the waste water, thereby can be used as waste water conditioner.
And water-soluble polyester-amide compositions of the present invention is owing to interior amide-containing shows hyperergy with Resins, epoxy, and has excellent tackiness, plasticity and solvability, thereby can be used as solidifying agent and properties-correcting agent.
Use during from polyester-amides that mixing waste reclaims, can use Resins, epoxy to prepare powder paint compositions as solidifying agent according to the present invention.Have two or three carbonyls by recovery method regenerated polyester-amides of the present invention at its end of the chain, thereby produce good reactivity and dispersed.In addition, even added a small amount of release agent, the polyester-amides that reclaims by recovery method of the present invention also has excellent storage stability.It is a low softening point resin, thereby can solidify in the short period of time when being lower than 180 ℃, for example, and 10 minutes.Therefore, when using the method according to this invention regenerated polyester-amides, can reduce the solidification value of film as the heat solidifiable coating of metal, thus can obtain to have high gloss, the filming of excellent thermotolerance and anti-chemical.
Use can prepare oil-modified alkyd varnish and printing ink according to the present invention from mixing waste regenerated polyester-amides.
The oil-modified alkyd varnish that obtains by the polyester-amides that will obtain according to the present invention and lipid acid and drier oil reaction has excellent solvability in aliphatic hydrocarbon solvent or aromatic hydrocarbon solvent, and uses filming that this oil-modified alkyd varnish obtains to show excellence and stable gloss, water-repellancy and weathering resistance.In addition, solvable by tinting material and additive being added to the gravure ink that prepare in the polyester-amides that obtains according to the present invention at the mixed solvent camber of ketone and aromatic hydrocarbon, thereby can obtain to have the fabulous block letter of tackiness, wear resistance and the fastness of rapid drying and excellence.
In addition, use the polyester-amides that from mixing waste, reclaims according to the present invention can prepare tackiness agent.
The polyester-amides that use produces according to the present invention has tackiness, water-repellancy, anti-chemical, accelerating ability and the consistency of low softening point, low fusing viscosity, excellence as the hotmelt of base resin.Therefore, can in various base materials (metals such as paper, plate, animal skin and leather, fabric, timber, plastics and aluminium), obtain excellent initial tack and strong adhesive power.In addition, by will be according to the present invention the regenerated polyester-amides be dissolved in the liquid adhesive that obtains in the organic solvent as base resin and also can be used to the above-mentioned base material of adhering.
Example
Describe in detail according to mixing waste recovery method of the present invention now with reference to following example.These examples just limit the scope of the invention and purport in order to illustrate that the present invention provides, to should not be construed as.
Example 1
Mixing waste fragment, 200g rosin and the 0.3g DBTO of 400g through grinding be loaded into be furnished with agitator, the reactor of reflux exchanger, separator, thermometer and nitrogen inlet, and be heated to 250 ℃ temperature, simultaneously nitrogen injection.Begin to mix waste material and hold it in this temperature 2 hours after the fusing.When inclusion begins to become clear, these inclusion are cooled to 150 ℃, and the 120g Maleic Acid, Anhydrous is added on it.When ring-opening reaction no longer produces heat, once more reactant is heated, and reacted 3 hours down at 235 ℃.Resulting depolymerization product has the acid number of 110mgKOH/g.
The 200mg ethylene oxide adduct of dihydroxyphenyl propane is added on it, and this mixture is carried out polycondensation, dewatered 5 hours down at 250 ℃ simultaneously.When the acid number of reaction product reaches 55mgKOH/g, it is cooled off.Then, 50g sodium hydroxide and 1500g distilled water are added on the reaction product, and under 85 ℃, mixture was stirred 30 minutes, with the aqueous solution of preparation polyester-amides block polymer.Polyester-amides has the acid number of 39mgKOH/g, 11,500 weight average molecular weight, 75 ℃ softening temperature and 8.1 pH value.Use the polyester-amides resin as the polymerization toner binding agent, be prepared as follows toning agent by polymerization process.Therefore, can prepare and have the good physical property and the toning agent of fastness.
With the 100g polyester-amides block polymer aqueous solution, 3g carbon black (PRINTEX 150T, can buy from Degussa AG), 0.1g charge control agent (BONTRON S-34 can buy from Orient Chemical Co.Ltd.) and 1g releasing agent mix and disperse.Resulting dispersion liquid is put into the highly acid aqueous solution, to produce particle, then filter, water cleans, and carries out drying.1g external additive and 100g particle is mixed, with the preparation toner-particle.
Toner-particle is loaded in the ink-cases of printers, to carry out print procedure.During print image, image is unusual, and has obtained fabulous fastness.
Example 2
Prepare the polyester-amides resin aqueous solution according to the mode identical, still, 400g is mixed useless fragment, 200g staybelite, 0.3g Dibutyltin oxide (DBTO), the anhydrous trihemellitic acid of 150g and 200g neopentyl glycol be loaded in the reactor with example 1.So the polyester-amides of the polyester-amides resin aqueous solution that obtains has the acid number of 30mgKOH/g, 11,000 weight average molecular weight, 91 ℃ softening temperature and 8.5 pH value.
Use water miscible polyester-amides resin as the polymerization toner binding agent, be prepared as follows toning agent by polymerization process.Therefore, can prepare and have the good physical property and the toning agent of fastness.
100g polyester-amides resin aqueous solution, 3g phthalocyanine blue, 0.1g charge control agent (BONTRONS-34 can be from Orient Chemical Co., and Ltd. buys) and 1g releasing agent are mixed and dispersion.According to example 1 in identical mode, produce particle, filtration, water cleans and dry.The 1g external additive is added in the 100g particle of acquisition like this and mix, to prepare blue toner-particle.
These toner-particles are loaded in the ink-cases of printers, to carry out print procedure.During print image, image is unusual, and has obtained fabulous fastness.
Example 3
400g is mixed useless fragment, 100g Diethylene Glycol and 0.3g DBTO be loaded in the reactor, and under nitrogen gas stream, the temperature of this mixture heating up to 235 ℃ is reached 3 hours, to carry out depolymerization.When inclusion becomes clear, the useless nylon fiber of 150g fumaric acid and 50g is added on it, and temperature is brought up to 220 ℃ reach 6 hours, carrying out polycondensation, thus preparation polyester-amides resin aqueous solution.As neutralizing agent, use 55g potassium hydroxide.So the polyester-amides of the polyester-amides resin aqueous solution that obtains has the acid number of 28mgKOH/g, 11,500 weight average molecular weight, 100 ℃ softening temperature and 7.9 pH value.
The resin solution of 100 parts of weight is mixed with the ultraviolet blocking agent of 10 parts of weight, and mixture is distributed equally.Resulting dispersion liquid is suspended in the water of 500 parts of weight, wherein contains the suspension promotor of 2 parts of weight, thus the preparation particle.Then, filtering particle, water clean and are dry, have the synthetic resins particulate of 5D volume mean diameter with preparation, to be used in the makeup.
Example 4
According to example 3 in identical mode prepare the polyester-amides resin aqueous solution, but adopt 400g to mix useless fragment, 100g ethylene glycol, 0.3g DBTO and the anhydrous trihemellitic acid of 150g.
And, use 50g ammonium hydroxide to replace 55g potassium hydroxide, with as neutralizing agent.So water-soluble polyester-the amide resins that obtains has the acid number of 45mgKOH/g, 12,500 weight average molecular weight, 105 ℃ softening temperature and 7.7 pH value.
The ultraviolet blocking agent of the perfume compound of the resin solution of 100 parts of weight, 5 parts of weight, 3 parts of weight and the acrylic resin breast of 50 parts of weight are mixed.Resulting mixture is suspended in the highly acid water, to obtain microcapsule.Microcapsule to acquisition like this filter, water cleans and drying, and with the preparation microcapsule, wherein perfume compound and ultraviolet blocking agent are subjected to excellent protection in core material.
Example 5
According to example 3 in identical mode prepare the polyester-amides resin aqueous solution, but adopt 400g to mix useless fragment, 100g propylene glycol, 0.3g DBTO and 50g hexanodioic acid and 100g Maleic Acid, Anhydrous.
And, use 30g sodium hydroxide and 35g triethylamine as neutralizing agent.So water-soluble polyester-the amide resins that obtains has acid number, 11,700 weight average molecular weight and 7.5 the pH value of 50mgKOH/g.
Acrylic resin breast, 200g conductive powder and the 3g releasing agent of 100g resin solution, 50 parts of weight are mixed.Resulting mixture is suspended in the highly acid water, to obtain conductive particle.These particles are filtered, and water cleans and is dry, has the excellent dispersiveness and the electronics material of electroconductibility with preparation.
Example 6
400g is mixed useless fragment, 100g ethylene glycol, 100g staybelite, 0.3g DBTO, 100gDMSSIP, the anhydrous trihemellitic acid of 150g and 80g TriMethylolPropane(TMP) be loaded in the reactor, carry out the process identical then with example 3.Use 50g ammonium hydroxide to replace neutralizing agent.So water-soluble polyester-the amide resins that obtains has acid number, 12,500 weight average molecular weight and 7.1 the pH value of 30mgKOH/g.
The tenderizer of the resin solution of 100 parts of weight, 5 parts of weight and the silicon of 1 part of weight are mixed, and the distilled water of 200 parts of weight is added on it.Immerse in the resulting solution polyester yarn and fabric and drying.As a result, excellent tackiness and sizing efficiency have been confirmed.
Example 7
According to example 3 in identical mode prepare the polyester-amides block polymer, but adopt 350g to mix useless fragment, 100g neopentyl glycol, 250g maleated rosin, 0.3g DBTO and 100g hexanodioic acid.Then, add the 150g triethylene tetramine, so that mixture has is water-soluble, thus the aqueous solution of preparation polyester-amides.
So the polyester-amides of the polyester-amides block polymer aqueous solution that obtains has the acid number of 45mgKOH/g, 11,200 weight average molecular weight, 79 ℃ softening temperature and 8.5 pH value.
The distilled water of resin solution, 2g Sumstar 190 and 200 parts of weight of 100 parts of weight is mixed, with the sizing agent and the paper strengthening agent of preparation paper grade (stock).The paper machine manufacturing and the dry paper of use-testing.As a result, excellent sizing efficiency and paper quality have been confirmed.
Example 8
According to example 3 in identical mode prepare the polyester-amides resin aqueous solution, but adopt 350g to mix useless fragment, 100g neopentyl glycol, 250g dicyclopentadiene, 0.3gDBTO and 150g Maleic Acid, Anhydrous.
And, 30g ammonium hydroxide and 500 triethylamines are used as neutralizing agent.So the polyester-amides of the polyester-amides resin aqueous solution that obtains has the softening temperature of the acid number of 80mgKOH/g, 11,900 weight average molecular weight, 90 ° of C and 7.9 pH value.
The resin solution of 10 parts of weight is diluted in the distilled water of 200 parts of weight, and the solution after will diluting put into 1,000 part of weight of discharging from the carwash waste water in, carry out vigorous stirring then and stop.As a result, be settled out mud, form flock simultaneously, and supernatant liquid be limpid as tap water.
Example 9
350g is mixed useless fragment, 100g Diethylene Glycol, 0.3g DBTO, 100g dimeracid and 100g hexanodioic acid be loaded in the reactor, carry out the process identical then with example 3.Then, 100g Virahol and 100g triethylene tetramine are added on it, thereby prepare water miscible polyester-amides block polymer.
So water-soluble polyester-the amide resins that obtains has acid number, 11,000 weight average molecular weight and 7.1 the pH value of 70mgKOH/g.With the resin solution of 100 parts of weight, the water-dispersible epoxy resins (KEM-134-60 of 300 parts of weight, from Korea S KUKDO CHEMICAL CO., LTD. buy), the silicone oil of the curing accelerator of 10 parts of weight and 1 part of weight mixes and stir, with preparation varnish, then it is coated on the glass specimen, films with formation.As a result, form filming of more stable and stronger with good tackiness and high gloss.
Example 10
According to example 3 in identical mode prepare the polyester-amides block polymer, but adopt 400g to mix the ethylene oxide adduct of useless fragment, 70g neopentyl glycol, 200g dcpd resin, 0.3g DBTO, 100g m-phthalic acid and 120g dihydroxyphenyl propane.
And, saved neutralization and produced water miscible step, and reclaimed the polyester-amides block polymer with the solid form.Solid polyester-amide resins has acid number, 19,000 weight average molecular weight and 120 ℃ the softening temperature of 7mgKOH/g.
The releasing agent of the charge control agent of the phthalocyanine blue of the solid resin of 100 parts of weight, 7 parts of weight, 1 part of weight and 3 parts of weight is mixed and be loaded in the kneading machine.With the temperature of this mixture heating up to 150 ℃, kneading, and with jet mill corase grind and correct grinding.With resulting material classification, have the blue toner of 8D particle diameter with preparation, be used for electronic photography, put it in the print cartridge then.Print cartridge is installed on the laser printer (430Oi, Korea S Samsung company limited), and carries out print procedure.As a result, the image of blue line print material is unusual.
Example 11
According to example 3 in identical mode prepare the polyester-amides block polymer, but adopt 500g to mix useless fragment, 100g Diethylene Glycol, 0.3g DBTO, 100g Maleic Acid, Anhydrous, the useless nylon moulded product of 100g and 100g tetramethylolmethane.
And, saved neutralization and produced water miscible step, and reclaimed the polyester-amides block polymer with the solid form.Solid polyester-acid amides block polymer has acid number, 27,000 weight average molecular weight and 140 ℃ the softening temperature of 5mgKOH/g.
The flow control agent of the curing accelerator of the Resins, epoxy of the carbon FW-200 of the solid resin of 100 parts of weight, 5 parts of weight, 50 parts of weight, 1 part of weight, 1 part of weight and the wax of 2 parts of weight are mixed, and be loaded in the kneading machine.With the temperature of this mixture heating up to 150 ℃, kneading, cooling, and roughly grind and finish grind.With the material classification that grinding obtains, has the powder coating of 50D particle diameter with preparation.This coating is coated on the galvanized steel sample with electrostatic means, then in experimental furnace, under 180 ℃ temperature, thermofixation 30 minutes.As a result, obtained to have excellent tackiness, flexing resistance and glossy coated coupons.
Example 12
500g is mixed useless fragment, 500g lipid acid monoglyceride and 0.3g DBTO be loaded in the reactor, and under nitrogen gas stream, be heated to 230 ℃ and reach 3 hours, with depolymerization blended waste material.When inclusion becomes that time clearly, add 100g rosin, and become low viscosity and when clear, the anhydrous phthalic acid of interpolation 100g when inclusion.Then, under 235 ℃ temperature, under the backflow in dimethylbenzene, made reactant reaction 3 hours, with the preparation oil-modified alkyd resin.Add the 1100g solvent naphtha, diluting resulting Synolac, and add siccative, the alkyd varnish that uses with preparation factory.This varnish provides has filming of high gloss, excellent water-repellancy and weathering resistance.
Example 13
500g is mixed useless fragment, 200g TriMethylolPropane(TMP) and 0.5g DBTO be loaded in the reactor, and under nitrogen gas stream, be heated to 235 ℃.Then, 150g PTMEG and 100g hexanodioic acid are added on it.Reactant was reacted 3 hours down at 220 ℃, be cooled to below 95 ℃, and add the 100g ethyl acetate.Below 50 ℃, add 0.5g DBTDL, and in 2 hours, dropwise add 200g tolylene diisocyanate (TDI), remain on 50 ℃ simultaneously.Then, temperature is brought up to 95 ℃, and further carry out reaction in 3 hours.After the cooling, add the 200g ethyl acetate, diluting resulting material, thereby obtain the organic solution of polyurethane resin.Organic solution, 10g ethyl acetate and the 2g curing accelerator of 100g polyurethane resin are mixed,, then it is put on the both sides of synthetic fabrics with the preparation urethane adhesive.As a result, obtained to have excellent water-repellancy, tackiness and elastic adhesion interface.
Example 14
400g is mixed useless fragment, 200g propylene glycol and 0.5g DBTO be loaded in the reactor, and under nitrogen gas stream, reacted 3 hours down with this mixture heating up and at 230 ℃.After temperature is reduced to 160 ℃, add 250g Maleic Acid, Anhydrous, the anhydrous phthalic acid of 100g and 150g propylene glycol,, remain in 220 ℃ simultaneously to carry out 7 hours polycondensation.Then, 0.2g Resorcinol (as polymerization retarder) is added on it, and the cooling reactant, to obtain unsaturated polyester resin.
The 100g unsaturated polyester resin is dissolved in 50g styrene monomer (containing the 0.1g Resorcinol), and resulting solution is mixed with 1g cobalt octoate and 1g MEK superoxide, to obtain crosslinked curable unsaturated polyester-amide resins solution, then it is put on the glass fibre sample, with preparation SMC moulded product.Use polyethylene film parcel SMC moulded product, and at room temperature deposited 48 hours.Then, the SMC moulded product is carried out heat ductile forming, to obtain glass mat.During inspection, so the sheet glass that obtains does not have pin hole, and shows all even stable gloss.
Industrial usability
According to above as can be known, polyester-amides block polymer according to mixing waste recovery method preparation of the present invention shows excellent consistency and dispersiveness to the additive that comprises tinting material, and various base materials are shown excellent tackiness, but also can obtain water-soluble.
Therefore, the polyester-amides block polymer aqueous solution by the mixing waste preparation according to the present invention can be used as industrial useful material, for example ink-jet binding agent, epoxy curing agent and properties-correcting agent, water-dispersible epoxy resins solidifying agent and the properties-correcting agent of synthetic resins particulate, microcapsule, sorbent material, the polymerization toner binding agent that is used for electronic photography, fibre finish, paper grade (stock) sizing agent and paper strengthening agent, waste water conditioner, dispersion agent, cement additive, ink-jet printer.Can be with the polyester-amides block polymer of solid form or organic solution form as industrial useful material, for example binding agent, printing ink, coating, powder lacquer, tackiness agent, hotmelt, water-resisting agent, crosslinked curable unsaturated polyester-amide resins and the polyurethane resin of the toning agent of making by Ginding process.
Though the present invention discloses preferred embodiment for illustrative purposes, it be to be appreciated that those skilled in the art that on the basis that is no more than described scope of the present invention of claims and purport, can carry out various modifications, interpolation and replacement.

Claims (38)

1. the recovery method of the mixing waste of polyester and polymeric amide, it comprises:
(a) mixing waste of depolymerization polyester and polymeric amide;
(b) product after the use polyvalent alcohol polycondensation depolymerization is to obtain to have the polyester-amides block polymer of 1 to 150mgKOH/g acid number; And
(c) reclaim the polyester-amides block polymer at acid number in greater than the solid of 20mgKOH/g or solution state, or reclaim the polyester-amides block polymer in less than the solid state of 20mgKOH/g at acid number,
Wherein, at step (b), useless polymeric amide is extra the interpolation and reaction generation polyamide-block, and wherein the useless polymeric amide of Tian Jiaing accounts for 1% to 90% of preparation polymer weight, and useless polymeric amide is a 6-nylon, 6, and 6-nylon, 11-nylon or 12-nylon.
2. the method for claim 1, wherein step (a) comprising:
(a-1) make the mixing waste and the solid resin solvent reaction of polyester and polymeric amide, to carry out first depolymerization; And
(a-2) product of depolymerization and polyprotonic acid are reacted, to carry out second depolymerization and addition reaction.
3. method as claimed in claim 2, wherein, the solid resin solvent is to be selected from least a in the group that is made up of and the following: rosin, wood rosin, starex, staybelite, maleated rosin, rosin ester, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar gum, jade-like stone crust resin, dcpd resin, hydrogenation dcpd resin and benzodiazepine maleate ethenoid resin.
4. method as claimed in claim 2, wherein, the solid resin solvent: the ratio of mixture of mixing waste in weight ratio in the scope of 1:10 to 10:1.
5. method as claimed in claim 2, wherein, polyprotonic acid is to be selected from least a in the group that is made up of and the following: anhydrous phthalic acid, m-phthalic acid, terephthalic acid, hexanodioic acid, nonane diacid, sebacic acid, anhydrous tetrahydrophthalic acid, Maleic Acid, Anhydrous, fumaric acid, methylene-succinic acid, trihemellitic acid, anhydrous trihemellitic acid, anhydrous pyromellitic acid, Succinic Acid, cyclohexyl dicarboxylic acid, naphthalic acid, dimeracid and C6-C25 lipid acid.
6. method as claimed in claim 2, wherein, the usage quantity of polyprotonic acid account for by weight first depolymerization product weight 1% to 70%.
7. the method for claim 1, wherein performing step (a) and (b) under the situation that has the catalysts account for reactant gross weight 0.05% to 0.5% by weight.
8. the method for claim 1, wherein performing step (a) and (b) in the scope of 200 to 250 ° of C.
9. the method for claim 1, wherein, polyvalent alcohol in the step (b) is to be selected from least a in the group that is made up of and the following: ethylene glycol, propylene glycol, 1, ammediol, 1,4-butyleneglycol, 1, the polynary alcoholate of list of the alkylene oxide adduct of 6-hexylene glycol, neopentyl glycol, Diethylene Glycol, dipropylene glycol, polyoxyethylene glycol, dihydroxyphenyl propane, TriMethylolPropane(TMP), glycerine, tetramethylolmethane, lipid acid monoglyceride and lipid acid.
10. the method for claim 1, wherein the usage quantity of the polyvalent alcohol in the step (b) accounts for 1% to 70% of depolymerization product weight in the step (a) by weight.
11. the method for claim 1, wherein the polyester-amides block polymer of preparation has 3,000 to 50,000 weight average molecular weight in the step (b).
12. the method for claim 1, wherein the polyester-amides block polymer for preparing in the step (b) has the softening temperature of 10 ° of C to 150 ° of C.
13. the method for claim 1, wherein, the method that obtains the polyester-amides block polymer solution in the step (c) comprises: (c-1) polyester-amides polymkeric substance and the basic cpd with step (b) reacts, to obtain neutral polyester-amides block polymer; And (c-2) neutral polyester-amides block polymer is dissolved in water, hydrophilic solvent or its mixture.
14. method as claimed in claim 13, wherein, basic cpd is to be selected from least a in the group that is made up of and the following: sodium hydroxide, potassium hydroxide, ammonium hydroxide, lithium hydroxide and organic amine.
15. method as claimed in claim 13, wherein, the usage quantity of basic cpd accounts for 1% to 30% of polyester-amides block polymer weight by weight.
16. method as claimed in claim 13, wherein, hydrophilic solvent is to be selected from least a in the group that is made up of and the following: ethanol, ether, acetone, Pyranton, DIMETHYL FORMAMIDE, dimethyl acetamide, tetrahydrofuran (THF), ethyl cellosolve, propyl cellosolve, ethylene glycol butyl ether and N-N-methyl-2-2-pyrrolidone N-.
17. method as claimed in claim 13, wherein, the usage quantity of water, hydrophilic solvent or its mixed solvent is 1 to 10 times of weight of neutral polyester-amides block polymer.
18. the recovery method of the mixing waste of polyester and polymeric amide, it comprises:
(a) make the mixing waste and the polyol reaction of polyester and polymeric amide, to obtain the polyester-amides depolymerization product;
(b) with product after the depolymerization and polyprotonic acid reaction, and use the polyvalent alcohol polycondensation product, to obtain the polyester-amides block polymer, its end of the chain contains 2 or 3 carboxyls, and has 1 to 150mgKOH/g acid number; And
(c) with the reaction of polyester-amides block polymer and basic cpd,, be scattered in then in water, hydrophilic solvent or its mixed solvent to obtain the polyester-amides block polymer of neutralized salt form, obtaining water-soluble and polyester liquid water dispersible,
Wherein, at step (b), useless polymeric amide is extra the interpolation and reaction generation polyamide-block, and wherein the useless polymeric amide of Tian Jiaing accounts for 1% to 90% of preparation polymer weight, and useless polymeric amide is a 6-nylon, 6, and 6-nylon, 11-nylon or 12-nylon.
19. method as claimed in claim 18, wherein, basic cpd is to be selected from least a in the group that is made up of and the following: sodium hydroxide, potassium hydroxide, ammonium hydroxide, lithium hydroxide and organic amine.
20. method as claimed in claim 18, wherein, the usage quantity of basic cpd accounts for 1% to 30% of polyester-amides block polymer weight in the step (b) by weight.
21. method as claimed in claim 18, wherein, with depolymerization product and polyprotonic acid and the polyol reaction that is produced in the step (a), with the polyester-amides polyol of the hydroxyl value that obtains to have 1 to 10mgKOH/g acid number and 5 to 200mgKOH/g.
22. method as claimed in claim 21 wherein, will have the polyester-amides polyol and the diisocyanate reaction of the hydroxyl value of 1 to 10mgKOH/g acid number and 5 to 200mgKOH/g, to obtain the polyurethane resin.
23. method as claimed in claim 18, wherein, with containing the ethylene type vinyl monomer interpolation of polymerization retarder and being dissolved in the polyester-amides block polymer that is produced in the step (b), to obtain crosslinked curable unsaturated polyesteramide resin.
24. the mixing waste recovery method of polyester and polymeric amide, it comprises:
(a) with the mixing waste of polyester and polymeric amide and polyol reaction with the depolymerization mixing waste, and use the Stabilised resin of depolymerization to stablize resulting product, to obtain stable polyester depolymerization product;
(b) product after use polyprotonic acid, the different phthalic acid sodium salt of dimethyl 5-sulfonic acid or its mixture polycondensation depolymerization, and acid number is adjusted polyvalent alcohol add in the reaction products resulting, to obtain the polyester-amides block polymer; And
(c) with the aqueous solution form that polymkeric substance is water-soluble, reclaim the polyester-amides block polymer with the form of the organic solution that polymkeric substance is dissolved in hydrophilic organic solvent or with the solid form,
Wherein, at step (b), useless polymeric amide is extra the interpolation and reaction generation polyamide-block, and wherein the useless polymeric amide of Tian Jiaing accounts for 1% to 90% of preparation polymer weight, and useless polymeric amide is a 6-nylon, 6, and 6-nylon, 11-nylon or 12-nylon.
25. method as claimed in claim 24, wherein, the Stabilised resin of depolymerization is to be selected from least a in the group that is made up of and the following: rosin, wood rosin, starex, staybelite, maleated rosin, rosin ester, pinene resin, dipentene resin, C5 petroleum resin, C9 petroleum resin, dammar gum, jade-like stone crust resin, dcpd resin, hydrogenation dcpd resin and benzodiazepine maleate ethenoid resin.
26. method as claimed in claim 24, wherein, the usage quantity of the Stabilised resin of depolymerization account for by weight depolymerization product weight 1% to 100%.
27. as claim 18 or 24 described methods, wherein, polyvalent alcohol is to be selected from least a in the group that is made up of and the following: ethylene glycol, propylene glycol, 1, ammediol, 1,4-butyleneglycol, 1, the polynary alcoholate of list of the alkylene oxide adduct of 6-hexylene glycol, neopentyl glycol, Diethylene Glycol, dipropylene glycol, polyoxyethylene glycol, dihydroxyphenyl propane, TriMethylolPropane(TMP), glycerine, tetramethylolmethane, lipid acid monoglyceride and lipid acid.
28. as claim 18 or 24 described methods, wherein, polyprotonic acid is to be selected from least a in the group that is made up of and the following: anhydrous phthalic acid, m-phthalic acid, terephthalic acid, hexanodioic acid, nonane diacid, sebacic acid, anhydrous tetrahydrophthalic acid, Maleic Acid, Anhydrous, fumaric acid, methylene-succinic acid, trihemellitic acid, anhydrous trihemellitic acid, anhydrous pyromellitic acid, Succinic Acid, cyclohexyl dicarboxylic acid, naphthalic acid, dimeracid and C6-C25 lipid acid.
29. as claim 18 or 24 described methods, wherein, the usage quantity of polyprotonic acid account for by weight the depolymerization product in the step (a) weight 1% to 50%.
30. the recovery method of the mixing waste of polyester and polymeric amide, it comprises:
(a) with polyvalent alcohol and the alkali metal sulfamate reactant salt that comprises the aromatic dicarboxylic acid of the different phthalic acid sodium salt of dimethyl 5-sulfonic acid, with the preparation polyester oligomer;
(b) with the mixing waste reaction of polyester oligomer and polyester and polymeric amide,, behind the transesterification mixing waste after the depolymerization is being carried out polycondensation then, to obtain the polyester-amides block polymer with the depolymerization mixing waste; And
(c) with the aqueous solution form that polymkeric substance is water-soluble, reclaim the polyester-amides block polymer with the form of the organic solution that polymkeric substance is dissolved in hydrophilic solvent or with the solid form,
Wherein, at step (b), useless polymeric amide is extra the interpolation and reaction generation polyamide-block, and wherein the useless polymeric amide of Tian Jiaing accounts for 1% to 90% of preparation polymer weight, and useless polymeric amide is a 6-nylon, 6, and 6-nylon, 11-nylon or 12-nylon.
31 as claim 24 or 30 described methods, and wherein, when the different phthalic acid sodium salt of dimethyl 5-sulfonic acid mixes with polyprotonic acid when using, the different phthalic acid sodium salt of dimethyl 5-sulfonic acid mixes with 1% to 30% amount of the weight that accounts for polyprotonic acid by weight.
32. as claim 18,24 or 30 described methods, wherein, hydrophilic solvent is to be selected from least a in the group that is made up of and the following: ethanol, acetone, Pyranton, DIMETHYL FORMAMIDE, dimethyl acetamide, tetrahydrofuran (THF), ethyl cellosolve, propyl cellosolve, ethylene glycol butyl ether and N-N-methyl-2-2-pyrrolidone N-.
33. as claim 18,24 or 30 described methods, wherein, the usage quantity of hydrophilic solvent accounts for 1% to 100% of polyester-amides block polymer weight in the step (b) by weight.
34. the recovery method of the mixing waste of polyester and polymeric amide, wherein, solid that is obtained as claim 1,18,24 or 30 described methods or liquid polymers product are the polyester-amides block polymers that has 1% to 90% polyamide-block in its molecular structure by weight.
A 35. polyester-amides block polymer and produce the polyester-amides block polymer, reclaim the method for the mixing waste of polyester and polymeric amide, wherein, will be by as claim 1,18, the water-soluble poly ester-acid amide block polymeric composition that 24 or 30 described methods are obtained is as at least one of and the following: the synthetic resins particulate, microcapsule, sorbent material, the polymerization toner binding agent, fibre finish, the sizing agent of paper grade (stock) and paper strengthening agent, waste water conditioner, dispersion agent, cement additive, water-resisting agent, the ink-jet binding agent of ink-jet printer, epoxy curing agent and properties-correcting agent, water-dispersible epoxy resins solidifying agent and properties-correcting agent.
36. polyester-amides block polymer and production method thereof, wherein, will be used as the toner adhesive that is used for electronic photography for preparing by Ginding process by the solid polyester-acid amides block polymer that is reclaimed as claim 1,18,24 or 30 described methods.
37. polyester-amides block polymer and production method thereof, wherein, will be by as at least a as in printing ink, coating, powder lacquer, tackiness agent, hotmelt and the water-resisting agent of claim 1,18, solid polyester-acid amides block polymer that 24 or 30 described methods are reclaimed or the organic solution that is dissolved in the polyester-amides block polymer in the organic solvent.
38. the mixing waste recovery method of polyester and polymeric amide, it comprises:
(a) with mixing waste and the monoglyceride of lipid acid and the polynary alcoholate reaction of list of lipid acid of polyester and polymeric amide,, thereby obtain the depolymerization composition with the depolymerization mixing waste;
(b) polyprotonic acid and polyvalent alcohol are added in the composition after the depolymerization, carrying out polycondensation, thereby obtain to contain the oil-modified alkyd resin of polyester-amides; And
(c) oil-modified alkyd resin that will contain polyester-amides is dissolved in the organic solvent, for example petroleum naphtha or dimethylbenzene, thus reclaim the organic solution of resulting Synolac,
Wherein, at step (b), useless polymeric amide is extra the interpolation and reaction generation polyamide-block, and wherein the useless polymeric amide of Tian Jiaing accounts for 1% to 90% of preparation polymer weight, and useless polymeric amide is a 6-nylon, 6, and 6-nylon, 11-nylon or 12-nylon.
39. polyester-amides block polymer and production method thereof, wherein, the oil-modified alkyd resin that will contain the polyester-amides block polymer that reclaims by method as claimed in claim 38 is as at least a with in the Synolac of printing ink and paint.
CNB2005800169517A 2004-03-26 2005-03-24 Recycled method for a wasted polymer which is mixed polyester and polyamide and reclaimed materials thereof Expired - Fee Related CN100497451C (en)

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