Dual component (aqueous) hybrid reactive resin system, method for production and use thereof

• US 20100285311A1
• Filed: 04/03/2007
• Published: 11/11/2010
• Est. Priority Date: 04/04/2006
• Status: Abandoned Application

• Current Assignee: Construction Research & Technology GmbH (BASF SE)
• Original Assignee: Construction Research & Technology GmbH (BASF SE)
• Inventors: Schroers, Michael, Waldherr, Roswitha, Maier, Alois, Steidl, Norbert
• Application Number:
  US12/279,081
• Publication Number:
  US 20100285311A1
• Time in Patent Office: Days
• US Class Current: 428/339
• CPC Class Codes: C08G 18/2845 Monohydroxy epoxy compounds
• CPC Class Codes: C08G 18/4244 containing oxygen in the form of ether groups
• CPC Class Codes: C08L 2666/14 Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
• CPC Class Codes: C09D 163/00 Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
• CPC Class Codes: Y10T 428/269 including synthetic resin or polymer layer or component
• CPC Class Codes: Y10T 428/273 of coating
• CPC Class Codes: Y10T 428/31511 Of epoxy ether
• CPC Class Codes: Y10T 428/31525 Next to glass or quartz
• CPC Class Codes: Y10T 428/31529 Next to metal

Abstract

A dual component (aqueous) hybrid reactive system obtained by a) the production of an epoxy-functional (aqueous) binding agent component (I) with an epoxide equivalent of 100 to 12,500 g/eq, and average molecular mass of 200 to 25,000 Daltons and a viscosity of 1,000 to 15,000 mPas 920° C., Brookfield) and b) the production of a (latent) amino-functional hardener component (II).

Claims

1-38. -38. (canceled)

39. A two-component, aqueous hybrid reactive resin system prepared by the process of:

a) preparing an epoxyfunctional aqueous binder component (I) having an epoxide equivalent of 100 to 12,500 g/eq, an average molecular mass of 200 to 25,000 dalton and a viscosity of 1,000 to 150,000 mPa·

s as measured at 20°

C. with a Brookfield viscometer;

a₁) 5 to 300 parts by weight of a functionalized low molecular weight polyol component (A)(i), comprising at least one of an hydroxyfunctional epoxy-alcohol, a glycidyl ether having at last one hydroxyl group that reacts with an isocyanate group and one or more epoxide group substantially inert to isocyanate groups, having an epoxide equivalent of 100 to 500 g/eq and a molecular mass of 50 to 1,000 dalton;

with

0 to 300 parts by weight of a functionalized higher molecular weight polymeric polyol component (A)(ii) having at least one hydroxyl group reactive with an isocyanate group and one or more epoxide group substantially inert to an isocyanate group, having an epoxide equivalent of 130 to 3,000 g/eq and a molecular mass of 250 to 2,500 dalton;

and reacting with

5 to 500 parts by weight of a polyisocyanate component (B) comprising at least one diisocyanate, polyisocyanate, polyisocyanate derivative or polyisocyanate homologue having two or more (cyclo)aliphatic or aromatic isocyanate groups and a molecular mass of 100 to 2,500 dalton, optionally in the presence of 0.01 to 0.5 part by weight of a catalyst component (K)(i) suitable for polyaddition a reaction with a polyisocyanate, wherein the mixture of the components (A)(i) and (B) are reacted either simultaneously or stepwise with the component (A)(ii), and optionally

0 to 200 parts by weight of a low molecular weight polyol component (A)(iii) having at least one hydroxyl group reactive towards an isocyanate group and a molecular weight of 50 to 500 dalton;

0 to 500 parts by weight of a functionalized low molecular weight polyol component (A)(iv) having at least one hydroxyl group reactive with an isocyanate group and one or more carboxyl, phosphonate, or sulfonate groups inert to an isocyanate group or polyalkylene oxide, or perfluoroalkyl group and having a molecular mass of 50 to 2500 dalton, and

0 to 800 parts by weight of a higher molecular weight polymeric polyol component (A)(v) having at least one hydroxyl groups reactive with an isocyanate group and a molecular mass of from 500 to 5,000 dalton,

0 to 600 parts by weight of a reactive diluent component (C), comprising at least one aqueous epoxy resin having at least one epoxide group substantially inert to an isocyanate group, an epoxide equivalent of 130 to 400 g/eq and a molecular mass of 50 to 1,000 dalton, and

0 to 50 parts by weight of a coalescence auxiliary component (D), or

5 to 900 parts by weight of a formulation component (F)(i), comprising a reactive filler, an inert filler, a pigment, a carrier material, a nanomaterial, a nanocomposite, a plasticizer, a solvent and water to form a prepolymer;

a₂) optionally emulsifying or dispersing the prepolymer from stage a₁) in 0 to 900 parts by weight of water and optionally adding formulation component (F)(i) being added, and

b) preparing a latently aminofunctional curing component (II) by combining;

10 to 900 parts by weight of a polymeric polyamine component (E), comprising one or more polymeric polyamines having one or more (cyclo)aliphatic, aromatic primary or secondary amino group reactive with an epoxide group and optionally at least one hydroxyl group and having a molecular mass of 60 to 5000 dalton, in the form of a pure polymeric polyamine, polyaspartic acid ester, a latent curing agent or a reactive diluent based on an aldimine, a ketimine, an enamine, or an oxazolidine, a latent curing agent free of cleavage products and based on an azetidine, a diazepine, or an ammonium salt, a liquid amine curing formulation or a combinations thereof,

10 to 900 parts by weight of a formulation component (F)(ii), comprising a reactive or an inert filler, pigment, a carrier material, a nanomaterial, an other additive, a plasticizer, a solvent and water, and

0.01 to 0.5 part by weight of an accelerator component (K)(ii) for a polyaddition reaction with an epoxy resin

are combined.

40. The hybrid reactive resin system according to claim 39, wherein the component (A)(i) comprises at least one of a glycidol or glyceryl diglycidyl ether, or a (cyclo)aliphatic or aromatic polyol partly etherified with at least one of epichlorohydrin or a mono- or polyfunctional glycidyl ether.

41. The hybrid reactive resin system of claim 39, wherein the component (A)(ii) comprises an (un)saturated triglyceride epoxidized and partly ring-opened with an alcohol.

42. The hybrid reactive resin system of claim 39, wherein the component (A)(iii) comprises at least one of 1,4-butanediol, 2-methyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol or a 1,2-dihydroxyalkanediol having 5 to 50 carbon atoms of the general formula (I)

C_nH_2n+1—

CHOH—

CH₂OH  

 

(I)

where n is from 3 to 48

or a reaction product of alkylene 1-oxides of the general formula (II)

43. The hybrid reactive resin system of claim 39, wherein the component (A)(iv) comprises

(i) a bishydroxyalkanecarboxylic acid, or

(ii) a dihydroxyfunctional reaction product of a monofunctional alkyl/cycloalkyl/arylpolyalkylene glycol, a diisocyanate and a dialkanolamine or

(iii) an amino- or hydroxy-, or mercaptofunctional fluoromodified macromonomer or telechelic structure having a polymer-bound fluorine content of 1 to 99% by weight and a molecular mass of 100 to 10,000 dalton, containing, arranged intrachenally in the main chain, side chain or laterally, or terminally, the structural element of formula (IV)

—

(CF₂—

CF₂)_n—

 

 

(IV)

wherein n≧

3;

or of formula V

—

(CF₂—

CFR—

O)_n—

 

 

(V)

wherein n≧

3 and R is F or CF₃,

having in each case one or more (cyclo)aliphatic, or aromatic primary or secondary amino group, a hydroxyl group or a mercapto group.

44. The hybrid reactive resin system of claim 39, wherein the component (A)(iv) comprises a dihydroxyfunctional reaction product of perfluoroalkyl alcohol, diisocyanate and dialkanolamine.

45. The hybrid reactive resin system of claim 39, wherein the component (A)(v) comprises a hydrophobically modified polyalkylene glycol, an (un)saturated aliphatic or aromatic polyester, a polycaprolactone, a polycarbonate, an α

,ω

-polybutadienepolyol, an α

,ω

-polymethacrylatediol, an α

,ω

-polysulphidediol, an α

,ω

-dihydroxyalkylpolydimethylsiloxane, an hydroxyfunctional epoxy resin, an hydroxyfunctional ketone resin, an alkyd resin, a dimer fatty acid dialcohol, a reaction product based on a bisepoxide and an (un)saturated fatty acid, a further hydroxyfunctional macromonomer and telechelic structure, a mono-, di-, or triester of glycerol and saturated or unsaturated and optionally hydroxyfunctional fatty acid having 1 to 30 carbon atoms and having a functionality of f_OH≧

2 or a suitable combination thereof.

46. The hybrid reactive resin system of claim 39, wherein the component (B) comprises bis(4-isocyanato-phenyl)methane are higher homologue thereof, and a derivative or 2,4-toluene diisocyanate, or 2,6-toluene diisocyanate or isophorone diisocyanate or an isomer mixture of the individual aliphatic or aromatic polyisocyanates or a hydrophilically modified coating polyisocyanates having an allophanate, biuret, carbodiimide, isocyanurate, oxadiazinetrione, uretdione or urethane group and based on bis(4-isocyanatocyclohexyl)methane 1,6-diisocyanatohexane or 1-isocyanato-5-isocyanato-methyl-3,3,5-trimethylcyclohexane.

47. The hybrid reactive resin system according to claim 39, wherein the component (C) comprises a (cyclo)aliphatic or aromatic polyol completely etherified with epichlorohydrin or mono- or polyfunctional glycidyl ether, or a product containing a polyol partially etherified with epichlorohydrin or an hydroxyfunctional mono- or polyfunctional glycidyl ether.

48. The hybrid reactive resin system of claim 39, wherein the component (D) comprises a high-boiling point solvent.

49. The hybrid reactive resin system of claim 48, wherein the high boiling point solvent is N-ethylpyrrolidone, N-methylpyrrolidone, a dipropylene glycol dimethyl ether, a dialkyl adipates or a cyclic alkylene carbonate.

50. The hybrid reactive resin system according to claim 39, wherein the component (E) comprises ethylenediamine, a liquid epoxy resin curing agent formulated ready for use and is based on an aliphatic or aromatic polyamine or polyamidoamine.

51. The hybrid reactive resin system of claim 39, wherein the component (E) is present in coated, microencapsulated, carrier-fixed hydrophilized, or solvent-containing form and optionally may have sustained-release properties.

52. The hybrid reactive resin system of claim 39, wherein the formulation components (F)(i) and (F)(ii) each comprise a reactive inorganic filler selected from the group consisting of cement, calcium oxide, calcium hydroxide and calcium sulphate.

53. The hybrid reactive resin system of claim 39, wherein formulation components (F)(i) or (F)(ii) comprise at least one of a functionalized inorganic or organic filler, a light filler inert to water, a functionalized inorganic or organic pigment, a functionalized inorganic or organic carrier material, a functionalized inorganic or organic nanomaterial, a functionalized inorganic or organic nanocomposite, an inorganic or organic fiber, graphite, carbon black, a carbon fiber, a carbon nanotube, a metal fiber or a metal powder, a conductive organic polymer, a redispersible polymer powder or a superabsorber.

54. The hybrid reactive resin system of claim 39, wherein the formulation components (F)(i) or (F)(ii) each comprise an other additive selected from the group consisting of an antifoaming agent, a deaerator, a lubricating additive, a leveling additive, a substrate wetting additive, a wetting and dispersing additive, a water repellent, a rheology additive, a coalescence auxiliary, a dulling agent, an adhesion promoter, an antifreeze, antioxidant, a UV stabilizer and a biocide.

55. The hybrid reactive resin system of claim 39, wherein formulation components (F)(i) or (F)(ii) the plasticizer is selected from the group consisting of dialkyl phthalate, dialkyl adipiate, biodiesel an rapeseed oil methyl ester.

56. The hybrid reactive resin system of claim 39, wherein component (K)(i) is dibutyltin oxide, dibutyltin dilaurate, triethylamine, tin(II) octanoate, 1,4-diazabicyclo[2.2.2]octane, 1,4-diazabicyclo[3,2,0]-5-nonene, 1,5-diazabicyclo[5,4,0]-7-undecene, or a morpholine derivative.

57. The hybrid reactive resin system of claim 39, wherein the component (K)(ii) comprises benzyldimethyl-amine, or 4-N,N-dimethylaminophenol, 2,4,6-tris(N,N-dimethylaminomethyl)phenol, 2-methylimidazole, 2-phenyl-imidazole, or another suitable tertiary amine.

58. A process for the preparation of the two-component aqueous hybrid reactive resin system according to claim 39, comprising

a) preparing an epoxyfunctional (aqueous) binder component (I) by

a₁) allowing the components (A)(i), (A)(ii) and (B) to react, optionally in the presence of the component (K)(i), the mixture of the components (A)(i) and (B) being reacted either simultaneously or stepwise with the component (A)(ii), and optionally the components (A)(iii), (A)(iv), (A)(v), (C) and wherein (D) is also added to the reaction mixture, and

a₂) optionally the prepolymer from stage a₁) being emulsified or dispersed in water and optionally the formulation component (F)(i) is added, and

b) preparing a latently aminofunctional curing component (II) by combining the components (E), (F)(ii) and (K)(ii) in any desired sequence.

59. The process according to claim 58, wherein the metering of the components (A), (B), (C), (D), (F)(i), (K)(i) used in the stages a) and b) is effected in any desired manner.

60. The process according to claim 58, comprising adjusting the NCO/OH equivalent ratio of the components (A) and (B) in stage a) to 1.2 to 2.5.

61. The process according to claim 58, wherein the stage a₁) is carried out at a temperature of 40 to 90°

C.

62. The process according to claim 58, wherein the stage a₂) is carried out at a temperature of 30 to 60°

C.

63. The process according to claim 58, wherein the stage b) is carried out at a temperature of 10 to 40°

C.

64. The process according to claim 58, wherein in stage a₁ epoxyfunctional binder component (I) which is self-emulsifying without additional anionic and/or nonionic hydrophilization is used in stage a₁).

65. The process according to claim 58, wherein the solids content of the epoxyfunctional aqueous binder component (I) comprising the components (A), (B) and (C) in stage a) is adjusted to 10 to 100% by weight.

66. The process according to claim 58, wherein a solid content of the two-component coating system consisting of the components (I) and (II) is adjusted to 10 to 100% by weight.

67. A composition comprising a substrate coated with two-component aqueous hybrid reactive resin system according to claim 39.

68. The composition of claim 67, wherein the substrate is mineral and nonmineral surface based on concrete, cement, lime, gypsum, anhydrite, geopolymers, glass, wood, a wood-based materials, composite materials, artificial and natural stone, plastic or glass fiber-reinforced plastic a metal or a polymer.

69. The composition of claim 67, wherein the coating system is provided as an antigraffiti coating, an antisoiling coating, a seal, an antislip covering, a dischargeable floor coating system, a balcony coating, an easy-to-clean coating, a leveling and priming of concrete, a fresh concrete coating, a floor coating, a garage coating, a water protection coating system according to §

19 WHG, a high-bay warehouse coating according to DIN 15185, a parking floor coating, a PCC coating system, a pipeline coating, a crack-bridging coating system, a hopper coating, a sport floor covering system or a wall coating.

70. The composition of claim 67, wherein the coating system is applied to a total thickness of 0.1 to 50 mm.

71. The composition of claim 67, wherein the coating system is provided in an amount of from 0.1 to 10.0 k g per m² of the substrate area.

72. The composition of claim 67, wherein the substrate is fresh concrete.

73. A process comprising filling a cavity or a crack with the hybrid reactive resin system of claim 39.