CN1216558A - Compostable and thermoplastically processable foams - Google Patents

Compostable and thermoplastically processable foams Download PDF

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Publication number
CN1216558A
CN1216558A CN 97193929 CN97193929A CN1216558A CN 1216558 A CN1216558 A CN 1216558A CN 97193929 CN97193929 CN 97193929 CN 97193929 A CN97193929 A CN 97193929A CN 1216558 A CN1216558 A CN 1216558A
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functional
aliphatic
acid
alcohols
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E·格里加特
H·P·米勒
W·舒尔兹-施利特
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Bayer AG
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Bayer AG
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/44—Polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C08L69/005—Polyester-carbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/12—Polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2230/00—Compositions for preparing biodegradable polymers

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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)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyamides (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

The invention relates to foamed mouldings produced from polymers selected from the group of aliphatic or partially aromatic polyesters, thermoplastic aliphatic or partially aromatic polyester urethanes, aliphatic or aliphatic-aromatic polyester carbonates and aliphatic polyester amides which are mixed with blowing agents and thermoplastically processed. The invention also relates to a process for producing the objects of the invention.

Description

The foam of compostable and melt-processable
The expanded plastic of melt-processable is known (referring to Rompp chemistry encyclopedia, " porous plastics ", the 5th volume, the 9th edition, Thiene press 1992).(referring to Rompp chemistry encyclopedia, " whipping agent ", the 5th volume, the 9th edition, the Thiene press 1990) that they normally obtain with whipping agent.
Present purpose results from produces water-fast and water vapour, the goods of low-density compostable fully (compostable).By process some compostable fully water-fast and required goods of polymer production water vapour with suitable whipping agent, the preferred molten producing process can reach this purpose.
So the invention provides frothing mold spare by polymer production, this polymkeric substance is selected from the polyester of aliphatic series or partially aromatic, thermoplastic aliphatic series or partially aromatic PAUR, aliphatic series or fat aromatic polyestercarbonates and aliphatic polyester acid amides, and mixes and melt-processed with whipping agent.
The present invention also provides the method for a kind of production goods of the present invention.
The present invention also provides the polymer production frothing mold spare with some fully compostable water-fast and water vapour.
Following polymkeric substance is fit to: by the aliphatic series of following component preparation or the polyester of partially aromatic
A) aliphatic series two functional alcohols are preferably linear C 2-C 10Dibasic alcohol, as for example, second two
Alcohol, butyleneglycol, hexylene glycol, two officials of preferred especially butyleneglycol and/or optional cyclic aliphatic
Can alcohols, be preferably on the cyclic aliphatic ring and have C 5-C 6The alcohols of carbon atom, as for example,
Cyclohexanedimethanol and/or replace partially or completely dibasic alcohol based on ethylene glycol, third
That glycol, tetrahydrofuran (THF) or its have a molecular weight is the highest by 4000, is preferably the highest 1000
Single amount or the oligomeric polyvalent alcohol of multipolymer, and/or two senses of optional a small amount of branching
Alcohols, preferred C 3-C 12Alkyl diol, as for example, neopentyl glycol and optional in addition a small amount of
Higher functional alcohols, preferred C 3-C 12Alkyl polyols, as for example 1,2,3-the third three
Alcohol or TriMethylolPropane(TMP) and aliphatic series two functional acids are preferably C 2-C 12Alkyl two
Carboxylic acid is as for example also preferred Succinic Acid or hexanodioic acid and/or the two functional acid of optional aromatics
Class is as for example terephthalic acid or m-phthalic acid or naphthalene dicarboxylic acids and optional in addition a small amount of
Higher functional acids, as for example trimellitic acid or
B) by the structural unit of acid and carbinol-functionalization, the preferred alkyl chain is a 2-12 carbon atom, example
As hydroxybutyric acid or hydroxypentanoic acid or lactic acid, or derivatives thereof, for example 6-caprolactone or two third
Lactide, or the mixture of A and B and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount.
All acid also can its derivative form use, as for example acyl chlorides or ester, monomeric and oligomeric ester; By the aliphatic series of following component preparation or the PAUR of partially aromatic
C) aliphatic series two functional alcohols, preferred linear C 2-C 10Dibasic alcohol, as for example, second two
Alcohol, butyleneglycol, hexylene glycol, two senses of preferred especially butyleneglycol and/or optional cyclic aliphatic
Alcohols is preferably on the cyclic aliphatic ring and has C 5-C 6The alcohols of carbon atom as for example, encircles
The hexane dimethanol and/or replace partially or completely dibasic alcohol based on ethylene glycol, propylene glycol,
Tetrahydrofuran (THF) or its to have a molecular weight the highest by 4000, be preferably the highest 1000 multipolymer
Single amount or oligomeric polyvalent alcohol, and/or two sense alcohols of optional a small amount of branching, excellent
Select C 3-C 12Alkyl diol, as for example, neopentyl glycol and optional in addition higher on a small quantity functional
Alcohols, preferred C 3-C 12Alkyl polyols, as for example 1,2,3-glycerol or trishydroxymethyl
Propane and aliphatic series, two functional acids are preferably C 2-C 12The alkyl dicarboxylic aid, as for example
And preferred Succinic Acid or hexanodioic acid and/or optional aromatics two functional acids, as for example to benzene
Dioctyl phthalate or m-phthalic acid or naphthalene dicarboxylic acids and in addition optional higher on a small quantity functional acids,
As for example trimellitic acid or
D) by the structural unit of acid and carbinol-functionalization, the preferred alkyl chain is a 2-12 carbon atom, example
As hydroxybutyric acid or hydroxypentanoic acid or lactic acid, or derivatives thereof, for example 6-caprolactone or two third
Lactide, or the mixture of C and D and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount.
All acid also can its derivative form use, as for example acyl chlorides or ester, single amount and oligomeric ester;
E) functional and other optional higher functional by C and/or D and aliphatic series and/or cyclic aliphatic two
Isocyanic ester preferably has 1-12 carbon atom or 5-8 under the situation of cyclic aliphatic isocyanic ester
The isocyanic ester of individual carbon atom, for example tetramethylene diisocyanate, hexa-methylene two isocyanides
Acid esters, isophorone diisocyanate, randomly also with linearity and/or branching and/or ring grease
Family's two senses and/or higher functional alcohols are preferably C 3-C 12Alkyl diol or polyvalent alcohol
Or under the situation of cyclic aliphatic alcohols, the cyclic aliphatic alcohols of 5-8 carbon atom, for example second two
Alcohol, hexylene glycol, butyleneglycol, cyclohexanedimethanol, and/or randomly also with linear and/or
Branching and/or cyclic aliphatic two senses and/or higher functional amine and/or alkamine, excellent
Be selected in and have 2-12 carbon atom on its alkyl chain, for example quadrol or monoethanolamine and/
Or the amine or the alcohols of optional further modification, as for example free acid of second diamino ethyl sulfonic acid
Or the reaction product of salt, ester component C wherein) and/or amount D) be at least C), D) and E) 75% (weight) of total amount, wherein in typical polyether polyols with reduced unsaturation structure, optionally contain soft section C) and D) and hard section E), do not expect that raw material fully randomly distributes in polymkeric substance; By the aliphatic series of following component preparation or the polyestercarbonate of aliphatic-aromatic
F) aliphatic series two functional alcohols, preferred linear C 2-C 10Dibasic alcohol, as for example, second two
Alcohol, butyleneglycol, hexylene glycol, two officials of preferred especially butyleneglycol and/or optional cyclic aliphatic
Can alcohols, be preferably the alcohols that on the cyclic aliphatic ring, has 5-8 carbon atom, as for example,
Cyclohexanedimethanol and/or replace partially or completely dibasic alcohol based on ethylene glycol, third
That glycol, tetrahydrofuran (THF) or its have a molecular weight is the highest by 4000, is preferably the highest 1000
Single amount or the oligomeric polyvalent alcohol of multipolymer, and/or two senses of optional a small amount of branching
Alcohols, preferred C 3-C 12Alkyl diol, as for example, neopentyl glycol and optional in addition a small amount of
Higher functional alcohols, preferred C 3-C 12Alkyl polyols, as for example 1,2,3-the third three
Alcohol or TriMethylolPropane(TMP) and aliphatic series, two functional acids are preferably C 2-C 12Alkyl
Dicarboxylic acid, functional as for example also preferred Succinic Acid or hexanodioic acid and/or optional aromatics two
Acids is as for example terephthalic acid or m-phthalic acid or naphthalene dicarboxylic acids and optional in addition few
Measure higher functional acids, as for example trimellitic acid or
G) by the structural unit of acid and carbinol-functionalization, the preferred alkyl chain is a 2-12 carbon atom, example
As hydroxybutyric acid or hydroxypentanoic acid or lactic acid, or derivatives thereof, for example 6-caprolactone or two third
Lactide, or the mixture of F and G and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount.
All acid also can its derivative form use, as for example acyl chlorides or ester, single amount and oligomeric ester;
H) by aromatics two functional phenols, be preferably dihydroxyphenyl propane and carbonic ether and give body, be preferably light
The carbonate component that gas is produced, or by the aliphatic carbonate or derivatives thereof, as the chlorine carbonic ether
Or the aliphatic carboxylic acid or derivatives thereof, give body as for example salt and carbonic ether, for example phosgene is given birth to
The carbonate component of producing.Ester component F) and/or amount G) must be at least F), G) and H) 70% (weight) of total amount; By the aliphatic series of following component preparation or the polyesteramide of partially aromatic
I) aliphatic series two functional alcohols, preferred linear C 2-C 10Dibasic alcohol, as for example, second two
Alcohol, butyleneglycol, hexylene glycol, two officials of preferred especially butyleneglycol and/or optional cyclic aliphatic
Can alcohols, be preferably the alcohols that on the cyclic aliphatic ring, has 5-8 carbon atom, as for example,
Cyclohexanedimethanol and/or replace partially or completely dibasic alcohol based on ethylene glycol, third
That glycol, tetrahydrofuran (THF) or its have a molecular weight is the highest by 4000, is preferably the highest 1000
Single amount or the oligomeric polyvalent alcohol of multipolymer, and/or two senses of optional a small amount of branching
Alcohols, preferred C 3-C 12Alkyl diol, as for example, neopentyl glycol and optional in addition a small amount of
Higher functional alcohols, preferred C 3-C 12Alkyl polyols, as for example 1,2,3-the third three
Alcohol or TriMethylolPropane(TMP) and aliphatic series two functional acids are preferably C 2-C 12Alkyl two
Carboxylic acid is as for example also preferred Succinic Acid or hexanodioic acid and/or the two functional acid of optional aromatics
Class is as for example terephthalic acid or m-phthalic acid or naphthalene dicarboxylic acids and optional in addition a small amount of
Higher functional acids, as for example trimellitic acid or
K) by the structural unit of acid and carbinol-functionalization, the preferred alkyl chain is a 2-12 carbon atom, example
As hydroxybutyric acid or hydroxypentanoic acid or lactic acid, or derivatives thereof, for example 6-caprolactone or two third
Lactide, or the mixture of I and K and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount.
All acid also can its derivative form use, as for example acyl chlorides or ester, single amount and oligomeric ester;
L) acid amides component, this component be by aliphatic series and/or cyclic aliphatic two functional and/or optional a small amount of branching two functional amines, preferred linear aliphatic C 2-C 10Diamines, with in addition optional higher on a small quantity functional amine, be preferably hexanediamine, isophorone diamine, wherein preferred especially hexanediamine, with by linearity and/or cyclic aliphatic two functional acids, preferably have 2-12 carbon atom on the alkyl chain or under the situation of cyclic aliphatic acids for C 5-C 6Ring, preferred hexanodioic acid and/or optional a small amount of branching, two functional and/or optional aromatics two functional acids, as for example terephthalic acid or m-phthalic acid or naphthalene dicarboxylic acids and in addition optional higher on a small quantity functional acids, preferably have the acids preparation of 2-10 carbon atom, or
M) the acid amides component that is prepared by acid and amine-functionalized structural unit is preferably on the cyclic aliphatic chain
Have 4-20 carbon atom, be preferably omega-lauric lactam and ε-Ji Neixianan, excellent especially
Elect ε-Ji Neixianan as, or L) and mixture M) as the acid amides component.
The ester component I) and/or amount K) be at least I), K), L) and M) 30% (weight) of total amount, the weight fraction of ester structure is preferably 30-70% (weight), the mark of amide structure is 70-30% (weight).
Biodegradable polyester acid amides of the present invention can be synthetic according to " polymeric amide method ", amount is mixed even initial set is graded chemistry, the wherein optional water that adds that has, from reaction mixture, remove subsequently and anhydrate, and it is synthetic according to " polyester process ", chemistry amount is mixed even initial set is graded, and adds excessive glycol simultaneously, carries out the esterification of acidic group and the transesterification reaction or the acid amides permutoid reaction of these esters subsequently.Under second kind of situation, excessive glycol is steamed with water.Preferably synthetic according to described " polyester process ".
According to the present invention, polyester, PAUR, polyestercarbonate or preferred polyester acid amides also can contain 0.1-5% (weight), are preferably the branching agent of 0.1-1% (weight).These branching agents can be, for example, and the alcohols of trifunctional such as TriMethylolPropane(TMP) or glycerine, four functional alcohols such as tetramethylolmethanes, the carboxylic acid of trifunctional such as citric acid.Branching agent can make the melt viscosity of polyesteramide of the present invention be increased to a certain degree, so that these polymkeric substance can carry out extrusion-blown modling.So the biological degradation of these materials can be obstructed.
Polycondensation also can be quickened by using known catalyzer.The catalyzer that available quickens polycondensation not only has known acceleration polymeric amide synthetic phosphorus compound and acid or organometallic esterifying catalyst, also has the combination of two types of catalyzer.
Must be noted that and to guarantee that catalyzer is unlikely to produce adverse influence to biological degradability or consistency or to the quality of the composition that obtains.
The polycondensation that produces polyesteramide also can be used Methionin, lysine derivative or other acid amides branched product, and as for example aminoethylamino alcoholic acid influence, they not only quicken condensation reaction but also produce branched product (referring to for example DE 38 31 709).
Complete compostable PAUR provided by the invention, polyester, polyestercarbonate and polyesteramide can have filler and strongthener and/or have processing aid, as for example nucleator, releasing agent or stablizer, wherein must be noted that and to guarantee not damage complete miscibility, or residual material, for example mineral assistant is harmless to composition.
Be fit to filler of the present invention and strongthener and can be mineral substance, as for example kaolin, chalk, gypsum (α or β modification body), lime or talcum powder or crude substance, as for example starch or treated starch, Mierocrystalline cellulose or derivatived cellulose or cellulose prods, wood powder or natural fiber, as for example hemp, flax, rape or ramie.
Complete compostable PAUR of the present invention, polyester, polyestercarbonate and polyesteramide also can mix with other blending components, wherein must be noted that and to guarantee not damage complete miscibility, or residual material, for example mineral assistant is harmless to composition.
Available whipping agent of the present invention can be to be the material of gas under the condition of melt-processed, and for example liberating nitrogen, water or titanium dioxide carbon compound, gasifiable compound or two or more are the reaction product of the compound of gas under the melt-processed condition.
Under the melt-processed condition, disengage gaseous matter, for example one group of whipping agent of nitrogen, water, carbonic acid gas comprises, for example, azo-compound is as for example and be preferably hydrazides, as for example being preferably the toluenesulphonic acids hydrazides especially, or carbonate, as for example lime carbonate or yellow soda ash or preferred supercarbonate, be preferably sodium bicarbonate in these compounds, maybe can discharge the inorganic salt of water.
The one group of whipping agent that is made of volatilizable compound for example comprises, the halogenated hydro carbons of pentane, pentamethylene or C1.
The reaction product under the melt-processed condition being gas of one group of two or more compound for example comprise and be preferably acid mixture, in these acid, be preferably lactic acid, oxalic acid and special optimization citric acid and CO2 gives body, as for example carbonate and supercarbonate.
The common consumption of whipping agent is the 0.1-30 with respect to whole mixture, and preferred 0.5-15 is preferably 1-8% (weight) especially.
The present invention also provides the method for a kind of production goods of the present invention, it is characterized in that, water-fast and complete compostable mixture of polymers water vapour of the present invention is to mix with whipping agent, and this mixture is carried out melt-processed.Melt-processed can comprise to be extruded, and for example produces the section bar of foaming.Melt-processed also comprises extrusion molding, produces the mo(u)lded item of foaming, as for example dish or cup.Melt-processed for example also can comprise be lower than intense mixing under the blowing temperature in kneader, heat-treats being higher than under the temperature of foaming subsequently, produces various assemblies, as for example work in-process.
The present invention also provides the application with the complete compostable polymer production frothing mold spare of water-fast and water vapour of the present invention.
Embodiment
Embodiment 1
To contain 60% (weight) polycaprolactam amine component and 40% (weight) hexanodioic acid and butyleneglycol ester component the biodegradable polyester acid amides (relative solution viscosity: 2.5, in the m-cresol solution of 1% (weight) and 20 ℃ measure down) extrude under 145 ℃ with the toluenesulphonic acids hydrazides of 5% (weight) (with respect to whole mixture).Obtaining tap density is 0.6g/m 3The foaming extrudate.
Embodiment 2
Biodegradable polyester acid amides (the relative solution viscosity: 2.5 of component that will contain the ester of 60% (weight) polycaprolactam amine component and 40% (weight) hexanodioic acid and butyleneglycol, in the m-cresol solution of 1% (weight) and under 20 ℃, measure) closely mix in 150 ℃ kneader with the 1g azodicarboamide, transfer in the heat-resisting mould of an opening, in 200 ℃ baking oven, heated 30 minutes then.Obtaining tap density is 0.07g/cm 3The gross porosity foam.
Embodiment 3
To contain 60% (weight) polycaprolactam amine component and 40% (weight) hexanodioic acid and butyleneglycol ester component the biodegradable polyester acid amides (relative solution viscosity: 2.5, in the m-cresol solution of 1% (weight) and 20 ℃ measure down) extrude under 135 ℃ with the sodium bicarbonate of 0.5% (weight) (with respect to whole mixture).Obtaining tap density is 0.7g/cm 3The foaming extrudate.

Claims (4)

1. by the frothing mold spare of biodegradable polymer production, this biodegradable polymkeric substance is selected from the polyester of aliphatic series or partially aromatic, thermoplastic aliphatic series or partially aromatic PAUR, aliphatic series or fat aromatic polyestercarbonates, aliphatic polyester acid amides, and they mix and melt-processed with whipping agent and optional conventional additive.
2. the frothing mold spare of claim 1, wherein used polymkeric substance are by the aliphatic series of following component preparation or the polyester of partially aromatic
A) aliphatic series two functional alcohols, and/or two sense alcohols of optional cyclic aliphatic and/or the part or
What replace dibasic alcohol fully has molecule based on ethylene glycol, propylene glycol, tetrahydrofuran (THF) or its
Amount be up to 4000 multipolymer single amount or oligomeric polyvalent alcohol and/or optional a small amount of
Two sense alcohols of branching and in addition optional higher on a small quantity functional alcohols and aliphatic two senses
Acids and/or optional aromatics two functional acids and in addition optional higher on a small quantity functional
Acids or
B) by the acid and the structural unit or derivatives thereof of carbinol-functionalization, or the mixture of A and B and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount; By the aliphatic series of following component preparation or the PAUR of partially aromatic
C) aliphatic series two functional alcohols, and/or two sense alcohols of optional cyclic aliphatic and/or the part or
What replace dibasic alcohol fully has molecule based on ethylene glycol, propylene glycol, tetrahydrofuran (THF) or its
Amount be up to 4000 multipolymer single amount or oligomeric polyvalent alcohol and/or optional a small amount of
Two sense alcohols of branching and in addition optional higher on a small quantity functional alcohols and aliphatic series, two officials
The acids of energy and/or optional aromatics two functional acids and in addition optional higher on a small quantity official's energy
Acids or
D) by the acid and the structural unit or derivatives thereof of carbinol-functionalization, or the mixture of C and D and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount;
E) functional and other optional higher functional by C and/or D and aliphatic series and/or cyclic aliphatic two
Isocyanic ester, randomly also with linearity and/or branching and/or cyclic aliphatic two senses and/or
Higher functional alcohols, and/or randomly also with linearity and/or branching and/or cyclic aliphatic
Two senses and/or higher functional amine and/or alkamine and/or optional further change
Amine or the reaction product of alcohols, wherein the ester component C of property) and/or amount D) be at least C), D) and E) 75% (weight) of total amount; By the aliphatic series of following component preparation or the polyestercarbonate of aliphatic-aromatic
F) aliphatic series two functional alcohols, and/or two sense alcohols of optional cyclic aliphatic and/or the part or
What replace dibasic alcohol fully has molecule based on ethylene glycol, propylene glycol, tetrahydrofuran (THF) or its
Amount be up to 4000 multipolymer single amount or oligomeric polyvalent alcohol and/or optional a small amount of
Two sense alcohols of branching and in addition optional higher on a small quantity functional alcohols and aliphatic two senses
Acids and/or optional aromatics two functional acids and in addition optional higher on a small quantity functional
Acids or
G) by the acid and the structural unit or derivatives thereof of carbinol-functionalization, or the mixture of F and G and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount;
H) carbonate component of producing to body by aromatics two functional phenol and carbonic ether or by aliphatic carbonic acid
The carbonic ether that ester or derivatives thereof or aliphatic carboxylic acid or derivatives thereof and carbonic ether are produced to body
Component, ester component F) and/or amount G) be at least F), G) and H) 70% (weight) of total amount; By the aliphatic series of following component preparation or the polyesteramide of partially aromatic
I) aliphatic series two functional alcohols, and/or two sense alcohols of optional cyclic aliphatic and/or the part or
What replace dibasic alcohol fully has molecule based on ethylene glycol, propylene glycol, tetrahydrofuran (THF) or its
Amount be up to 4000 multipolymer single amount or oligomeric polyvalent alcohol and/or optional a small amount of
Two sense alcohols of branching and in addition optional higher on a small quantity functional alcohols and aliphatic two senses
Acids and/or optional aromatics two functional acids and in addition optional higher on a small quantity functional
Acids or
K) by the acid and the structural unit or derivatives thereof of carbinol-functionalization, or I) and mixture K) and/or multipolymer, wherein the part of aromatic acid is not more than 50% (weight) of sour total amount;
L) acid amides component, this component is by aliphatic series and/or cyclic aliphatic two functional and/or optional a small amount of branching two functional amines and in addition optional higher on a small quantity functional amine with by linearity and/or cyclic aliphatic two functional acids and/or optional a small amount of branching two functional and/or optional aromatics two functional acids and optional in addition higher on a small quantity functional acids preparation, or
M) the acid amides component for preparing by acid and amine-functionalized structural unit, or L) and mixture M) as the acid amides component, wherein
The ester component I) and/or amount K) be at least I), K), L) and form that M) 30% (weight) of total amount and wherein all acid also can its derivatives, use as ester single amount and oligomeric and all can.
3. the method for the frothing mold spare of production claim 1, wherein biodegradable polymers is to mix with whipping agent, and this mixture of melt-processed.
4. claim 1 and 2 biodegradable polymers are in the application of producing with whipping agent in the frothing mold spare.
CN 97193929 1996-04-18 1997-04-07 Compostable and thermoplastically processable foams Pending CN1216558A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19615356.5 1996-04-18
DE1996115356 DE19615356A1 (en) 1996-04-18 1996-04-18 Compostable and thermoplastically processable foams

Publications (1)

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CN1216558A true CN1216558A (en) 1999-05-12

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EP (1) EP0894113A2 (en)
JP (1) JP2000508698A (en)
CN (1) CN1216558A (en)
AU (1) AU728971B2 (en)
CA (1) CA2251932A1 (en)
DE (1) DE19615356A1 (en)
NZ (1) NZ332356A (en)
WO (1) WO1997040091A2 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1087800A (en) * 1975-07-18 1980-10-14 Nelson S. Marans Biodegradable hydrophilic polyurethane foams and method
US4049592A (en) * 1975-07-18 1977-09-20 W. R. Grace & Co. Biodegradable hydrophilic foams and method
EP0569149B1 (en) * 1992-05-08 1998-07-15 Showa Highpolymer Co., Ltd. Polyester injection-molded articles
JPH0710988A (en) * 1993-06-24 1995-01-13 Agency Of Ind Science & Technol Production of biodegradable polyester amide copolymer
US5654380A (en) * 1994-05-23 1997-08-05 Mitsubishi Gas Chemical Company, Inc. Aliphatic polyester carbonate and process for producing the same
FI97726C (en) * 1994-07-07 1997-02-10 Alko Yhtioet Oy Meltable polyester urethane and method for its preparation

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NZ332356A (en) 2000-03-27
AU2509297A (en) 1997-11-12
JP2000508698A (en) 2000-07-11
WO1997040091A3 (en) 1997-11-27
WO1997040091A2 (en) 1997-10-30
EP0894113A2 (en) 1999-02-03
CA2251932A1 (en) 1997-10-30
AU728971B2 (en) 2001-01-25
DE19615356A1 (en) 1997-10-23

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