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CN1255490C - Wax-containing composition for leather and its product surface coating - Google Patents

Wax-containing composition for leather and its product surface coating Download PDF

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Publication number
CN1255490C
CN1255490C CN 200310104983 CN200310104983A CN1255490C CN 1255490 C CN1255490 C CN 1255490C CN 200310104983 CN200310104983 CN 200310104983 CN 200310104983 A CN200310104983 A CN 200310104983A CN 1255490 C CN1255490 C CN 1255490C
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CN
China
Prior art keywords
wax
leather
water
composition
emulsion
Prior art date
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Expired - Lifetime
Application number
CN 200310104983
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Chinese (zh)
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CN1611560A (en
Inventor
赵起超
时伯军
郑庆华
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China Petroleum and Chemical Corp
Sinopec Fushun Research Institute of Petroleum and Petrochemicals
Original Assignee
China Petroleum and Chemical Corp
Sinopec Fushun Research Institute of Petroleum and Petrochemicals
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Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Fushun Research Institute of Petroleum and Petrochemicals filed Critical China Petroleum and Chemical Corp
Priority to CN 200310104983 priority Critical patent/CN1255490C/en
Publication of CN1611560A publication Critical patent/CN1611560A/en
Application granted granted Critical
Publication of CN1255490C publication Critical patent/CN1255490C/en
Anticipated expiration legal-status Critical
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Abstract

The present invention relates to a wax-containing composition for surface coatings of leather and products thereof, which is mainly made from wax, high molecular polymer latex, long carbon-chain fatty alcohol, fatty amide, surfactant and water. The wax-containing composition does not contain organic solvents, water-soluble organic alcohols or mineral oil. The fatty amide is used as a cosolvent of the coating composition system; the fatty amide has favorable intersolubility with the wax, the fatty alcohol, high molecular polymers and other solid components, so the stability of the coating composition system can be improved so as to ensure that the coating film is continuous and compact and overcome the defect that the wax-containing composition contains mineral oil and high molecular water-soluble alcohols. When used for surface coatings of leather and products thereof, the wax-containing composition has the advantages of natural gloss, favorable water resistance, favorable dust resistance, favorable drying resistance, favorable wet resistance, convenient operation and high safety and reduces pollution.

Description

A kind of Wax composition that contains that is used for leather and product surface covering with paint thereof
Technical field
The invention belongs to the special wax technical field, particularly relate to a kind of leather and product surface thereof of being used for and cover with paint, lacquer, colour wash, etc. and contain Wax composition.
Background technology
Leather finish is the aftertreatment technology in leather and the goods processing thereof.Finishing agent forms at the leather top layer and films, and mainly is to give leather and goods natural gloss thereof, anti-water, antidusting, abrasion resistance, and the protection leather improves the goods class.
Because pursue kishke feel, the natural sense of leather, the leather of content of wax component and goods finishing agent thereof more and more come into one's own.US5743949, US5746812 have proposed the composition of wax stable dispersion in water respectively, are used for leather finish.But the film forming component of these two pieces of patents mainly is a wax, its resistance to abrasion, undesirable with leather surface avidity.
Wax and high molecular polymer both can improve resistance to abrasion jointly as film forming material, strengthened and leather surface avidity, can give the kishke feel of leather surface, natural sense again.Because high molecular polymer forms approximate permanent film at leather surface, cause leather surface cracking, deepening easily.The mutual solubility of wax and high molecular polymer also influences the gloss of finishing agent.Hide finishes is soft paste, when High-speed machining, avoids resembling the loss of liquid finishing agent.Simultaneously, also has good extensibility.
US4497919 proposes contains the modification montanin wax, thermoprene is the water-based dressing of main film forming material, also cellulose as thickening material, organic solvent as solubility promoter.CN1095395A discloses a kind of liquid leatherware protective agent, contains sheep oil, wax, glycerine, high molecular weight acrylic emulsion etc.CN1168924A discloses a kind of cream for dry cleaning and finishing surface of leather.Contain refining wax, mineral oil, polysiloxane, nonionogenic tenside, ionic surface active agent, Fatty Alcohol(C12-C14 and C12-C18), high molecular polymer, distilled water.US6391189 has proposed the Wax composition of a kind of polyol ester that contains the brown coal cerinic acid, brown coal cerinic acid, higher alcohols, as water-based dressing.Pbz polymer polymkeric substance not in the composition.
It is to contain thickening material that the above-mentioned content of wax is coated with the decorative composition common characteristic.Former three all has solubility promoter in forming, and improves the mutual solubility of wax and high molecular polymer.Pbz polymer polymkeric substance not during the latter forms.US4497919 propose the content of wax be coated with decorative composition with Mierocrystalline cellulose as thickening material, form aging film at leather surface easily, influence gloss.CN1095395A, CN1168924A, US6391189 have selected organic alcohol for use, both can be used as the solubility promoter of wax and macromolecule resin, are again gelifying agents, play the figuration effect.Organic alcohol can also improve the low-temperature flexibility of filming.Contain mineral oil among the CN1168924A, further improve the mutual solubility and the low-temperature flexibility of high molecular polymer and wax, but influence antidusting.Select glycerine among the CN1095395A for use, because it is a water-soluble polyol, anti-water is undesirable, and its figuration effect is undesirable, is liquid state.The organic alcohol of long carbochain that US6391189 selects for use has improved the low-temperature flexibility of covering with paint, lacquer, colour wash, etc. film, by the long carbochain polyol ester molecular adsorption of wax, improves the affinity with leather surface.But because pbz polymer polymkeric substance not, resistance to abrasion is undesirable.And carbon number is costing an arm and a leg of C＞30 higher alcohols.
Summary of the invention
At the deficiencies in the prior art, the present invention proposes the Wax composition that contains of a kind of leather and product surface covering with paint thereof, and product of the present invention has film forming gloss nature, anti-water, antidusting, resists characteristics such as dried, that the wet friction performance is good.
What leather of the present invention and product surface thereof were covered with paint, lacquer, colour wash, etc. contains Wax composition in weight face proportion by subtraction, comprises following component:
(a) wax 15～40
(b) emulsion polymerization 10～30
(c) Fatty Alcohol(C12-C14 and C12-C18) 1.0～5.5
(d) fatty amide 1.0～5.5
(f) tensio-active agent 0.5～12
(g) water 30～70
Comprise (by weight percentage) its best composition:
(a) wax 18～35
(b) emulsion polymerization 15～25
(c) Fatty Alcohol(C12-C14 and C12-C18) 2.0～4.0
(d) fatty amide 1.5～3.5
(f) tensio-active agent 3.0～8.0
(g) water 40～60
Wherein component (a) wax is the main film forming material that the content of wax of the present invention is coated with decorative composition.The cere gloss that forms is natural, soft, gives leather kishke feel, natural sense.Used wax is selected from one or more mixture of natural wax, synthetic wax.Natural wax is selected from one or more in carnauba wax, montanin wax, river wax, beeswax, the sugar-cane wax.Synthetic wax is selected from one or more in modification montanin wax P wax, modification montanin wax E wax, modification montanin wax OP wax, oxidized polyethlene wax, the oxidized microcrystalline wax etc.The acid number of oxidized polyethlene wax is generally 10～50mgKOH/g more preferably greater than 15mgKOH/g, and the oxidized microcrystalline wax acid number is generally 20～50mgKOH/g more preferably greater than 25mgKOH/g.
Wherein component (b) high molecular polymer is the main film forming improving agent that the content of wax of the present invention is coated with decorative composition.Play and improve the avidity effect of covering with paint, lacquer, colour wash, etc. film and leather surface, give leather good resistance to abrasion.Used high molecular polymer is selected from one or more mixture of polyaminoester emulsion, Emulsion acrylic resin.Preferably be selected from medium-hard nonionic or anionic emulsion polymerization, the Emulsion acrylic resin solid content is preferably 35%～55% (wt), and the polyaminoester emulsion solid content is preferably 10%～30% (wt).
Wherein component (c) long chain aliphatic alcohol is the main thickening material that the content of wax of the present invention is coated with decorative composition.Can obviously improve the viscosity of emulsion, make finishing agent have good thixotropy.Long chain aliphatic alcohol can also improve the low-temperature flexibility of filming.It is C that used Fatty Alcohol(C12-C14 and C12-C18) is selected from carbon number 12～C 24Monohydroxy-alcohol in one or more.For normal temperature is wax shape, water-insoluble alcohol.One or more the mixture that is selected from lauryl alcohol, tetradecyl alcohol, hexadecanol, stearyl alcohol, eicosanol, behenyl alcohol, the tetracosanol etc. commonly used.
Wherein component (d) fatty amide is the solubility promoter that the content of wax of the present invention is coated with decorative composition.Fatty amide and wax, Fatty Alcohol(C12-C14 and C12-C18), high molecular polymer and other solid ingredient mutual solubility are good, can improve the stability of covering with paint, lacquer, colour wash, etc. composition system, guarantee to cover with paint, lacquer, colour wash, etc. the continuous, fine and close of film.Used fatty amide is selected from one or more the mixture in amine hydroxybenzene, stearylamide, the two ethylene stearylamides etc.
Wherein component (e) tensio-active agent is the emulsifying agent that the content of wax of the present invention is coated with decorative composition.Play emulsification, dissemination.Used tensio-active agent is selected from one or more mixture of nonionogenic tenside, anion surfactant.Nonionogenic tenside is selected from one or more in C12～C18 fatty alcohol-polyoxyethylene ether (OP series), the polyoxyethylene nonylphenol ether (NP series).Anion surfactant can be selected from one or more in saponified that lauric acid, palmitinic acid, oleic acid, stearic acid and morpholine, Monoethanolamine MEA BASF, diethanolamine, trolamine, sodium hydroxide, potassium hydroxide forms.
Wherein component (f) water can be hard water, soft water.
In addition, can also add oil-soluble colourant commonly used, essence in the composition.
The content of wax of the present invention is covered with paint, lacquer, colour wash, etc. the preparation of compositions method: wax, Fatty Alcohol(C12-C14 and C12-C18), fatty amide thorough mixing are heated to 120～150 ℃.Under the whipped state, add 85～95 ℃ the hot water that contains tensio-active agent, maintain the temperature at more than 90 ℃, reaction 30～60min.After being cooled to room temperature, add emulsion polymerization, fully mix, discharging promptly.
The content of wax of the present invention is coated with the decorative composition advantage and is film forming material based on wax, is aided with high molecular polymer, Fatty Alcohol(C12-C14 and C12-C18), fatty amide.The covering with paint film and the leather avidity that form are strong, and resistance to abrasion is good, and gloss is natural, soft, and the feel exquisiteness has kishke feel.Do not contain organic solvent, water-soluble low-molecular alcohol, mineral oil.Normal temperature is the lotion state, helps High-speed machining.Use fatty amide as the solubility promoter of covering with paint, lacquer, colour wash, etc. composition system, fatty amide and wax, Fatty Alcohol(C12-C14 and C12-C18), high molecular polymer and other solid ingredient mutual solubility are good, can improve the stability of covering with paint, lacquer, colour wash, etc. composition system, guarantee to cover with paint, lacquer, colour wash, etc. the continuous, fine and close of film, and contain the disadvantage of mineral oil, low macromolecule water-solubility alcohol in having avoided forming.The surface daub on a wall that is used for leather and goods thereof has good low-temperature flexibility, antidusting, water resisting property, resistance to abrasion, and reduces and pollute.Be used for leather and product surface thereof and cover with paint, lacquer, colour wash, etc., coating easily, and is simple to operate.
Embodiment
The content of wax of the present invention is coated with decorative composition and is used for leather and product surface covering with paint thereof, can directly use manual coating such as sponge, cotton, also can utilize mechanical application.
Following embodiment further specifies the present invention's (forming all by weight percentage):
Embodiment 1
Carnauba wax 30
Emulsion acrylic resin CSF-7 12
Stearyl alcohol 4
Amine hydroxybenzene 2
Peregal A20 5
Water surplus
Embodiment 2
Modification montanin wax OP wax 12
Oxidized microcrystalline wax 8
Emulsion acrylic resin CSF-7 25
Lauryl alcohol 1
Behenyl alcohol 1
Amine hydroxybenzene 1.2
Polyoxyethylene nonylphenol ether NP-15 7
Oleic acid morpholine soap 0.5
Nigrosine 601 4
Water surplus
Embodiment 3
Oxidized polyethlene wax 30
Oxidized microcrystalline wax 8
Polyaminoester emulsion DPU9159 20
Hexadecanol 3.2
Stearylamide 3.0
Polyoxyethylene nonylphenol ether NP-10 4
Polyoxyethylene nonylphenol ether NP-4 2.4
Water surplus
Embodiment 4
Cover dawn modified waxes E wax 15
Emulsion acrylic resin CSF-7 20
Emulsion acrylic resin CSF-6 8
Tetradecyl alcohol 2.4
Amine hydroxybenzene 5
Polyoxyethylene nonylphenol ether NP-10 1.5
Triethanolamine oleate 1.5
Water surplus
Embodiment 5
Modification montanin wax S wax 18
Emulsion acrylic resin CSF-7 15
Tetracosanol 4.5
Amine hydroxybenzene 2.5
Fatty alcohol-polyoxyethylene ether OP-10 7.5
Stearic acid Monoethanolamine MEA BASF soap 3.5
Geranyl butyrate 0.5
Water surplus
Embodiment 6
Oxidized microcrystalline wax 30
Beeswax 5
Emulsion acrylic resin CSF-7 18
Polyaminoester emulsion DPU9159 2
Stearyl alcohol 1.5
Amine hydroxybenzene 2
Two ethylene stearylamides 0.5
Fatty alcohol-polyoxyethylene ether OP-15 0.4
Lauric acid diethanolamine soap 0.4
Oleic acid potash soap 0.2
Water surplus
Embodiment 7
Oxidized polyethlene wax 25
Polyaminoester emulsion DPU9159 18
Hexadecanol 2.4
Eicosanol 1.4
Amine hydroxybenzene 2.2
Peregal A20 2.0
Palmitinic acid soda soap 2.0
Water surplus
Used oxidized microcrystalline wax is feedstock production with the 75# Microcrystalline Wax among the above embodiment, 70 ℃ of dropping points, acid number 28mgKOH/g; Oxidized polyethlene wax is the OPE-4 that Fine Chemical Factory of Beijing University of Chemical Technology produces, acid number 25mgKOH/g; Polyaminoester emulsion, Emulsion acrylic resin are that Dandong leather chemical industry factory produces industrial goods, polyaminoester emulsion DPU9159 wherein, be non-ionic type and anionic resin emulsion, solid content 20% (wt), Emulsion acrylic resin CSF-7 is a hard resin emulsion in non-ionic type and the anionic, solid content 40% (wt), Emulsion acrylic resin CSF-6 are non-ionic type and anionic soft resin emulsion, solid content 40% (wt); Nigrosine 601 is CI call number Solvent Black product; Other industrial chemicals is commercially available industrial first grade.
Comparative example 1
Embodiment 3 preparations that propose by US6391189 contain wax finish (weight percent meter) composed as follows:
Wax composition 22.00
No. 52 paraffin 10.00 of full refining
Diethylenetriaminee (DETA) 1.0
Minashi sugar alcohol 2.0
Water surplus
Wherein Wax composition is that the carboxylate of modification montanin wax S wax, stearyl alcohol, modification montanin wax S wax and tetramethylolmethane is in harmonious proportion by 45.4: 27.3: 27.3 weight ratio.
Wherein raw material is commercially available industrial first grade.
Comparative example 2
Embodiment 1 preparation that proposes by CN1095395A contain wax finish (weight percent meter) composed as follows:
Ka Nabala wax 7
Montanin wax 7
No. 54 paraffin 1 of full refining
Breast lark A 4
Glycerine 0.4
Silicone oil 0.5
Sheep oil 1
Acid Black 10B 0.2
Emulsion acrylic resin R2 1
Water surplus
Wherein sheep oil is refined wool fat, lard, 30 #White oil forms by weight ratio mediation in 70: 15: 15; Emulsion acrylic resin R2 is that Tianjin leather chemical industry factory produces industrial goods; Other raw material is commercially available industrial first grade.
Comparative example 3
The embodiment preparation that proposes by CN1168924A contain wax finish (weight percent meter) composed as follows:
Modification montanin wax S wax 5
30 #White oil 14
Ethyl silicon oil (viscosity 2000cs) 3
Breast lark A 4
Sodium oleate 3
Lauryl alcohol 1
Emulsion acrylic resin CSF-7 7
Water surplus
Wherein Emulsion acrylic resin CSF-7 is that Dandong leather chemical industry factory produces industrial goods, and other raw material is commercially available industrial first grade.
The content of wax of embodiment 1～7 and comparative example 1～3 is coated with decorative composition, carries out the mensuration of the crisp pack temperature of film by the QB/T2223 standard method, carries out the anti-dried wet friction test of film by the QB/T1327 standard method.Evaluation result is as follows:
Table 1 embodiment and comparative example product performance are relatively
Numbering Sample state The crisp pack temperature of film, ℃＜ The anti-dried wet friction of film, level 〉=
Embodiment 1 Lotion -15 5
Embodiment 2 Lotion -15 5
Embodiment 3 Lotion -20 8
Embodiment 4 Lotion -15 5
Embodiment 5 Lotion -20 5
Embodiment 6 Lotion -20 6
Embodiment 7 Lotion -20 5
Comparative example 1 Lotion -15 3
Comparative example 2 Liquid -5 2
Comparative example 3 Lotion -10 2
Comparative example 4 is the high light finishing agent of commercially available Guangzhou good speed skin company limited product " good speed " board.
Comparative example 5 is that Dandong leather chemical industry factory produces DSF-5 #Finishing agent.
Be coated with decorative composition by the content of wax of embodiment 3 preparation and be used for the leather shoes surface daub on a wall, with comparative example 4 relatively, soft, the nature of gloss, the wax sense is strong.
Be coated with decorative composition by the content of wax of embodiment 6 preparation and be used for leather surface and cover with paint, lacquer, colour wash, etc., with comparative example 5 relatively, the surface covered height, the finishing agent turnover rate reduces by 3%～6%.
By embodiment and comparative example as can be seen, the content of wax of the present invention is coated with that decorative composition is used for leather and product surface is covered with paint, lacquer, colour wash, etc., and the gloss nature has kishke feel, natural sense, anti-water, antidusting, wear-resistant, resistance to low temperature good, and is easy to use, safe, reduce and pollute.

Claims (7)

1, a kind of Wax composition that contains that is used for leather and product surface covering with paint thereof, its composition comprises by weight percentage:
(a) wax 15～40
(b) emulsion polymerization 10～30
(c) Fatty Alcohol(C12-C14 and C12-C18) 1.0～5.5
(d) fatty amide 1.0～5.5
(f) tensio-active agent 0.5～12
(g) water 30～70;
Wherein said emulsion polymerization is selected from one or more mixture of polyaminoester emulsion, Emulsion acrylic resin; It is C that described Fatty Alcohol(C12-C14 and C12-C18) is selected from carbon number 12～C 24One or more mixtures in the monohydroxy-alcohol; Described fatty amide is selected from one or more mixture of amine hydroxybenzene, stearylamide, two ethylene stearylamides.
2,, it is characterized in that its composition comprises by weight percentage according to the described composition of claim 1:
(a) wax 18～35
(b) emulsion polymerization 15～25
(c) Fatty Alcohol(C12-C14 and C12-C18) 2.0～4.0
(d) fatty amide 1.5～3.5
(f) tensio-active agent 3.0～8.0
(g) water 40～60.
3,, it is characterized in that used wax is selected from one or more mixture of natural wax, synthetic wax according to claim 1 or 2 described compositions.
4,, it is characterized in that described natural wax is selected from one or more in carnauba wax, montanin wax, river wax, beeswax, the sugar-cane wax according to the described composition of claim 3; Synthetic wax is selected from one or more in modification montanin wax P wax, modification montanin wax E wax, modification montanin wax OP wax, oxidized polyethlene wax, the oxidized microcrystalline wax.
5, according to the described composition of claim 1, it is characterized in that described Emulsion acrylic resin solid content is 35wt%～55wt%, the polyaminoester emulsion solid content is 10wt%～30wt%.
6,, it is characterized in that described tensio-active agent is selected from one or more mixture of nonionogenic tenside, anion surfactant according to claim 1 or 2 described compositions.
7,, it is characterized in that described nonionogenic tenside is selected from C according to the described composition of claim 6 12～C 18In fatty alcohol-polyoxyethylene ether, the polyoxyethylene nonylphenol ether one or more; Described anion surfactant is selected from one or more in saponified that lauric acid, palmitinic acid, oleic acid, stearic acid and morpholine, Monoethanolamine MEA BASF, diethanolamine, trolamine, sodium hydroxide, potassium hydroxide forms.
CN 200310104983 2003-10-31 2003-10-31 Wax-containing composition for leather and its product surface coating Expired - Lifetime CN1255490C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 200310104983 CN1255490C (en) 2003-10-31 2003-10-31 Wax-containing composition for leather and its product surface coating

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CN1255490C true CN1255490C (en) 2006-05-10

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Application publication date: 20050504

Assignee: Liaoning Runyu Fine Chemical Co.,Ltd.

Assignor: FUSHUN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp.

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