1298 results about "Polymer blend" patented technology

Formulations of pesticides are disclosed, specifically pesticidal blends of essential oils and other ingredients, that have been found to enhance the activity of the active pesticidal ingredients. The formulations may be, for example, emulsions or dust formulations. For example, a composition for controlling a target pest is disclosed that comprises at least one active agent and a formulation agent, wherein: the active agent is capable of interacting with a receptor in the target pest; the active agent has a first activity against the target pest when applied without the formulation agent and the composition has a second activity against the target pest; and the second activity is greater than the first activity.

The invention relates to the technical field of food packaging materials, in particular to a cerium dioxide nano-enzyme modified antibacterial coating and application of the cerium dioxide nano-enzyme modified antibacterial coating in food packaging. The biomimetic mineralization layer comprises the following components in percentage by weight: 35-45% of a green base material, 8-12% of dopamine modified yttrium-doped cerium dioxide nano-enzyme, 4-6% of a composite antibacterial agent, 3-4% of a natural cross-linking agent, 2-3% of a degradable plasticizer, 1-2% of a biomimetic mineralization layer precursor and the balance of deionized water, the green base material is a blend of a chitosan-polyethylene glycol graft and polylactic acid; the doping amount of Y3 in the nano enzyme is 3-4at%. The antibacterial agent is excellent and lasting in antibacterial effect, has no migration risk of the antibacterial agent, and can guarantee food safety; a green base material and a degradable plasticizer are adopted, so that natural degradation is realized, and environmental pollution is avoided; the mechanical property is good, the aging resistance is realized, and the oxygen barrier property is strong; the food packaging box is suitable for various foods, effectively prolongs the shelf life, and meets the requirement of green packaging.

The invention provides a biaxially oriented nylon light conversion film as well as a preparation method and application thereof. A nylon / flaky nano silicon dioxide blend is used as a supporting layer, a nylon / boric acid functionalized terbium metal organic framework material blend is used as a variable light conversion characteristic layer, and the two-way stretching nylon light conversion film is obtained through synchronous two-way stretching. The film has dripping and variable light conversion characteristics, and can convert ultraviolet light into red orange light or blue light.

The invention relates to an adsorbent and a preparation method and application thereof, the adsorbent comprises a polymer matrix and a nanofiller uniformly embedded in the polymer matrix, the polymer matrix comprises a calcium / boron cross-linked polyvinyl alcohol-sodium alginate blend, and the nanofiller is sulfonic acid / carboxylic acid functionalized graphene oxide; the mass fraction of the nano filler in the adsorbent is 0.05%-0.60%; wrinkles and irregular hole structures are distributed on the surface of the adsorbent. The adsorbent is used for removing tritium in water and is high in adsorption capacity, stable in structure and good in recycling performance. The removal rate of tritium in the single-stage adsorption process is greater than 8.5%, and the removal rate of tritium in the third-stage adsorption process is 19.4-57.7%.

The invention discloses a composite film based on light-biological synergistic gradient degradation and a preparation method thereof, the composite film sequentially comprises a light response layer, a transition layer and a biological response layer from outside to inside, and the light response layer comprises a polycaprolactone matrix, a tetraphenylporphyrin iron photosensitizer and anatase type TiO2 nanorods; the transition layer is a gradient blend of polylactic acid and modified starch; the biological response layer comprises polyhydroxyalkanoate and bacterial cellulose nanofibers; through the design of the three-layer gradient structure and the construction of the bionic microchannel, the synergistic effect of light degradation, hydrolysis and biodegradation is realized; the composite membrane has excellent mechanical properties and environmental adaptability, the degradation period can be accurately regulated and controlled within 30-180 days, and the soil degradation rate within 60 days reaches 91% or above; the preparation method comprises the processes of electrostatic spinning, gradient co-extrusion and bacterial cellulose in-situ culture. The material can be widely applied to the fields of agricultural mulching films, food packaging and the like, and the problems that a traditional degradable film is poor in mechanical property and uncontrollable in degradation are solved.

The present disclosure relates to a biodegradable multilayer film comprising stacked on each other in the following order: a) a first outer layer comprising a first polymer selected from the group consisting of poly (butylene adipate-co-terephthalate) (PBAT), poly (butylene succinate) (PBS), poly (butylene succinate-co-adipate) (PBSA), and mixtures thereof; b) a core layer comprising a blend of thermoplastic starch (TPS) and polybutylene adipate terephthalate (PBAT); c) a second outer layer comprising a second polymer selected from the group consisting of poly (butylene adipate-co-terephthalate) (PBAT), poly (butylene succinate) (PBS), poly (butylene succinate-co-adipate) (PBSA), and mixtures thereof. The present disclosure also relates to a disposable bag, a bioreactor and a container suitable for mixing, packaging, storing or transporting biopharmaceutical substances, wherein the disposable bag, bioreactor and container comprise the biodegradable multilayer film.

The invention provides a light super-soft fire-resistant flame-retardant optical cable and a preparation method thereof. The light super-soft fire-resistant flame-retardant optical cable sequentially comprises a high-temperature-resistant optical fiber, a filling layer, a flame-retardant loose tube, a reinforcing layer, a heat insulation layer and a fire-resistant flame-retardant layer from inside to outside, the fireproof flame-retardant layer comprises the following preparation raw materials in percentage by mass: 55-65% of plasma activated mineral powder, 25-35% of a thermoplastic elastomer base material subjected to irradiation crosslinking treatment, 8-12% of a phosphorus-nitrogen intumescent flame retardant and 1.5-2.5% of a silane coupling agent; the nano mineral powder comprises a magnesium aluminum silicate compound, and the thermoplastic elastomer matrix comprises a blend of SEBS (Styrene-Ethylene-Butylene-Styrene) and TPU (Thermoplastic Polyurethane). The fire-resistant flame-retardant layer forms a ceramic protection layer at high temperature to perform fire-resistant flame-retardant protection and prevent heat transfer, and meanwhile, the heat insulation layer is matched to further prevent heat from being transferred to the cable core, so that the performance of the optical cable is ensured not to be influenced.

The invention discloses a paper-based composite film, which adopts a four-layer structural design, and the outer layer is an ultraviolet shielding layer formed by coating TiO2 with lignin; the transition layer is composed of 32-64 PLA / PBAT alternating microlayers, and the multiple alternating transition layers form a zigzag gas barrier path; ag-coated ZIF-8 nanoparticles are loaded on the paper base layer, so that long-acting antibiosis is realized by slowly releasing silver ions; and the inner layer adopts a PPC / PBS blend to support the heat sealing layer with adjustable heat sealing strength. According to the preparation process, a gradient micro-layer structure is constructed through a multi-runner co-extrusion die head and a layer multiplier, silver ions are loaded to ZIF-8 through an ultrasonic-vacuum impregnation process, the hydroxyl density of the surface of the paper base layer is improved through plasma treatment, good interlayer strength is achieved, ester bond crosslinking is induced in a pre-irradiation mode, and the product is prepared. The paper-based composite film has ultraviolet shielding, gradient blocking, slow-release antibacterial and controllable heat sealing performance, the interface bonding strength of a traditional paper-based composite film is greatly improved, all components are biodegradable, and the paper-based composite film is suitable for packaging of food, medicine and the like.

The invention discloses a photovoltaic glass surface protection coating, a preparation method thereof and a preparation method of a coating in the technical field of coatings. The coating comprises the following components in parts by weight: 40-70 parts of a fluorocarbon resin blend, 1-10 parts of modified nano silicon dioxide powder, 0.1-1 part of a defoaming agent, 0.1-2 parts of a flatting agent, 0.1-2 parts of a curing agent and 10-80 parts of an organic solvent A, the fluorocarbon resin blend comprises polyurethane resin, soluble polytetrafluoroethylene resin, polyacrylic acid fluorine-containing resin and an organic solvent B, and the mass ratio of the polyurethane resin to the soluble polytetrafluoroethylene resin to the polyacrylic acid fluorine-containing resin to the organic solvent B is (100-300): (5-20): (10-50): (200-500). The super-hydrophobic self-cleaning glass has the advantages that the super-hydrophobic self-cleaning glass has super-hydrophobic self-cleaning performance and super-high light transmittance.

The invention relates to the technical field of PU synthetic leather, and discloses flame-retardant PU synthetic leather, which comprises a base layer, a flame-retardant middle layer and a surface functional layer, the flame-retardant middle layer is prepared by mixing modified PU resin, a composite flame retardant, a synergist and a cross-linking agent, the composite flame retardant is prepared by compounding an organic phosphorus-nitrogen flame retardant and nano magnesium hydroxide according to a mass ratio of 3: 1-5: 1, and the surface functional layer is prepared by mixing modified PU resin, a composite flame retardant, a synergist and a cross-linking agent. The synergist is modified montmorillonite, the surface functional layer is a blend of fluorine-containing polyurethane resin and flame-retardant silicone oil, and the three-layer structure is integrally formed through a hot melting compounding process. The modified PU resin is prepared from polycarbonate diol, isophorone diisocyanate and a chain extender through a reaction. Three-dimensional flame-retardant protection from inside to outside can be achieved through the collaborative design of the base layer flame-retardant pretreatment layer, the flame-retardant middle layer and the surface functional layer, a finished product can reach a high flame-retardant grade, combustion spreading is effectively inhibited, release of smoke and toxic gas is reduced, and the problems that traditional PU synthetic leather is poor in flame retardance and prone to melting and dripping are solved.

A lap-sealable film comprises a non-oriented film, a heat-resistant lacquer (HRL), and a sealing layer. The non-oriented film comprises a first outer layer and a second outer layer. The first outer layer comprises a first polymeric blend having a low density polyethylene (LDPE) and an ethylene copolymer. The second outer layer comprises a non-oriented high density polyethylene (HDPE). The HRL is attached to the first outer layer and is coextensive with less than 100%, by area, of the exterior surface of the first outer layer. The sealing layer comprises an ethylene copolymer or a second polymeric blend having a LDPE and an ethylene copolymer. The ethylene copolymer has a density less than or equal to 0.92 g / cm3. The first polymeric blend has a seal initiation temperature less than or equal to 110°C. The lap-sealable film comprises a total composition having greater than or equal to 80% polyethylene.

The invention relates to a lightweight foaming sole material, which comprises the following raw materials by mass: 20-30% of a PA / EBA modified blend; 10% to 20% of a TPEE / EBA modified blend; 10%-30% of an ethylene-butyl acrylate copolymer (EBA); 8%-15% of an ethylene-octylene copolymer POE; 8%-15% of brominated butyl rubber BIIR; 2%-3% of talcum powder; 5%-10% of a coupling agent; 0.5%-1% of a lubricant; 1%-2% of a foaming aid; 0.3%-1% of a cross-linking agent; and 3%-7% of a foaming agent. The foaming sole material provided by the invention has the advantages of high elasticity, tear resistance and wrinkle resistance; the preparation method is simple and low in production cost, and has a wide application prospect in the field of foamed sole materials.

A packaging bag including a polyester-based multilayer film. The multilayer film includes at least: an innermost layer formed of a biaxially stretched polyethylene terephthalate film; a layer formed of polybutylene terephthalate; and / or a layer formed of a blend of polyethylene terephthalate and polybutylene terephthalate. The biaxially stretched polyethylene terephthalate film has a heat sealing portion that is amorphized or low-crystallized by laser light irradiation. The packaging bag is formed by allowing the innermost layers of the polyester-based multilayer film to be opposed to and superimposed on each other, and heat sealing the heat sealing portions.

The invention relates to the technical field of photovoltaic adhesive films, and discloses an anti-radiation photovoltaic packaging adhesive film, a preparation method thereof and a photovoltaic module. The adhesive film is of a multi-layer co-extrusion composite structure formed by co-extrusion molding and irradiation, and comprises an upper surface layer, a middle functional layer and a lower surface layer, the upper surface layer is a radiation-resistant polymer matrix (such as EVA-g-St, EVA-g-(alpha-MeSt), POE-g-St and an EVA / POE-aromatic resin blend); the middle functional layer comprises a packaging resin matrix, an anti-radiation agent (which is a nano-scale radiation protection material such as a rare earth oxide, a heavy metal oxide, a boron-containing compound and a polymer derivative of a benzotriazole type ultraviolet absorbent) and a stabilizer; and the lower surface layer is a bonding surface layer formed by light-transmitting bonding resin. The adhesive film is good in radiation resistance, the light transmittance, the cohesiveness, the elongation at break retention rate, the yellowing resistance, the power attenuation resistance of a component and the like after accelerated radiation are obviously improved, and the service life of the component under strong radiation can be prolonged.

The invention relates to the technical field of packaging materials, in particular to a preparation method of a food heat-preservation environment-friendly quick-transportation packaging bag. The prepared quick-transportation packaging bag sequentially comprises an outer film layer, a heat preservation layer, an aluminum foil layer and an inner film layer from outside to inside. The outer film layer and the inner film layer are made of a blend of polylactic acid, carboxymethyl starch and glycerol, the thermal insulation layer is formed by compounding a phase change capsule, silicon dioxide aerogel and a polyurethane adhesive on an aluminum foil layer, the phase change capsule takes a mixture of n-octadecane and paraffin as a core material and takes Arabic gum as a wall material, and the outer surface of the wall material is coated with a stearic acid film layer; an antibacterial coating containing microwave modified beewax, a functional additive and 3-aminopropyltriethoxysilane is sprayed on the inner surface of the inner film layer; the prepared quick-transportation packaging bag has excellent heat preservation performance and antibacterial performance, also has good degradability, is environmentally friendly and can meet multiple requirements of modern food logistics for packaging.

The invention relates to a halogen-free flame-retardant rubber conveying belt and a preparation method thereof, and belongs to the field of rubber composite materials. The conveying belt comprises the following raw materials in percentage by mass: 55-65% of a rubber matrix (20-50nm EPDM / SBR blend), 5-10% of microencapsulated red phosphorus (the particle size is less than or equal to 10 microns), 12-15% of modified magnesium hydroxide, 4-6% of a pentaerythritol / melamine cyanurate compounded charring agent, 5-10% of a zinc molybdate / zinc borate compound (the mass ratio is 3: 1) and 3-8% of a maleic anhydride compatibilizer. The halogen-free, environment-friendly and high-flame-retardant performance is achieved, meanwhile, the tensile strength is kept to be larger than or equal to 16 MPa, and the problems that a traditional flame-retardant belt is large in toxicity and poor in mechanical property are solved.

The invention relates to a process for realizing uniform foaming of an elastic rotating body through temperature gradient control, in particular to an elastic rotating body foaming forming process which comprises the following steps: S1, raw material pretreatment and internal mixing: adopting a blend of POE (Polyolefin Elastomer) and EPDM (Ethylene-Propylene-Diene Monomer) as a main body material, mixing POE and EPDM according to a mass ratio of 6: 4-8: 2, and carrying out extrusion molding; adding 3%-15% of an anti-shrinking agent, 8%-20% of talcum powder and 5%-12% of calcium carbonate as fillers, and mixing and plasticizing for 8-12 minutes through an internal mixer at the temperature of 80-100 DEG C and the rotor rotating speed of 30-50 rpm. According to the foaming forming process of the elastic rotating body, the shaping pipe and the built-in heating pipe are arranged in the middle of the mold cavity, so that the temperature of the middle of the mold cavity is 1-3 DEG C higher than that of the upper and lower areas, and therefore, an accurate axial temperature gradient is formed, the decomposition rate of a foaming agent and the material curing process are effectively balanced, and shrinkage deformation caused by uneven temperature is inhibited.

Provided herein are methods for synthesizing a sulfide-based solid state electrolyte, including a sulfide-based solid state electrolyte having an argyrodite phase. The methods generally include mixing an electrolyte precursor in a blend of solvents, the blend of solvents including a catalytic solvent and a spectator solvent.

Disclosed herein are a catalyst for polyester depolymerization or cyclic ester synthesis, a preparation method therefor and a use thereof. The catalyst is a long-chain catalyst having a main chain carbon atom number greater than or equal to 8, and containing a terminal ion group and a terminal hydroxyl structure; the catalyst may be used to catalyze polyester hydrolysis, alcoholysis or cyclic depolymerization, so as to recover corresponding monomers or monomers and oligomers, or used to catalyze hydroxy acid or hydroxy acid esters to synthesize cyclic ester monomers or cyclic ester monomers and cyclic oligomers by means of polycondensation and cyclization reactions. The catalyst may reduce the viscosity of a reaction system, and may greatly improve the utilization rate of a catalytic active center, reduce the consumption of the catalyst and improve overall catalytic efficiency, achieving high-efficiency, high-yield and selective depolymerization of polyester homopolymers, copolymers, blends or compounds.

The invention discloses an energy-absorbing and shock-reducing rubber material for an ocean platform and a preparation method of the energy-absorbing and shock-reducing rubber material. The rubber material is prepared from the following raw material components: a rubber matrix, a reinforcing filler, a vulcanizing aid, a vulcanizing agent, a silane coupling agent, a vulcanizing activator, an anti-aging agent, protective wax, tear-resistant resin and paraffin oil, the preparation method comprises the following steps: plastifying, preparing master batch, preparing final mixed rubber, and vulcanizing and molding. The natural rubber and butadiene styrene rubber blend is used as a matrix, the natural rubber endows the material with high elasticity, and the butadiene styrene rubber is used for improving the aging resistance of the material; the carbon black and the fumed silica are used as reinforcing fillers, and the dispersion state of the fumed silica is optimized through the silane coupling agent, so that the mechanical properties of the energy-absorbing and shock-reducing rubber material are effectively enhanced. The prepared energy-absorbing and shock-reducing rubber material for the ocean platform can effectively overcome the defects of natural rubber in the aspects of aging resistance, seawater corrosion resistance, oil resistance and chemical corrosion resistance, and meanwhile, the excellent high-damping characteristic and fatigue resistance of the natural rubber are reserved.

The invention discloses a method for improving tiger wrinkle defects of a polypropylene composite material injection molding product. The method comprises the following steps: firstly, melting and plasticizing a blended polypropylene composite material, and then applying a rotation and reciprocating oscillation composite shearing external field on a plasticized blend melt to carry out disentanglement treatment on the plasticized blend melt, the low-entanglement-degree polypropylene composite material is subjected to injection molding to obtain a workpiece with obviously improved tiger skin patterns on the surface. According to the method disclosed by the invention, a shearing external field compounded by rotation and reciprocating oscillation is applied to a blend melt to destroy an entanglement network of a molecular chain, so that not only is the molecular chain effectively disentangled, but also a low-entanglement state is retained in granules, the viscosity of the melt is greatly reduced during subsequent injection molding, and the flowability is remarkably enhanced; and the occurrence of unstable flow in the mold filling process is delayed, so that the tiger skin defect on the surface of a polypropylene composite material injection molding product can be greatly improved on the premise that the good mechanical property of the product can be maintained.

The invention relates to the technical field of low-zinc composite active agents, in particular to a low-zinc efficient composite active agent for blended rubber and a preparation method thereof.The preparation method comprises the following steps that zinc acetate, zinc nitrate, zinc sulfate and urea are mixed to prepare nano-zinc oxide, and the nano-zinc oxide is modified with polypropylene glycol to obtain modified nano-zinc oxide; mixing and stirring a dispersing agent, stearic acid, modified nano zinc oxide, multi-walled carbon nanotubes and magnesium oxide under the protection of inert gas to prepare a blend, and curing and molding the blend through a condensation granulation process to obtain the low-zinc high-efficiency composite activator for blended rubber. The prepared low-zinc efficient composite active agent for the blended rubber shortens the vulcanization time of the blended rubber, is excellent in dispersity and enhances the mechanical properties, including tensile strength and elongation at break, of the blended rubber, and in addition, the preparation method is simple and convenient to operate and low in cost and has a good industrial application prospect.

The present invention relates to an environmentally friendly refrigerant blend that utilizes a refrigerant comprising E-1, 3, 3, 3-tetrafluoropropene (HFO-1234zeE), difluoromethane (HFC-32), and 1, 1-difluoroethane (HFC-152a), and more particularly, to a refrigerant blend that uses a refrigerant comprising E-1, 3, 3, 3-tetrafluoropropene (HFO-1234zeE), difluoromethane (HFC-32), and 1, the blend has low GWP, low toxicity and low flammability as well as improved efficiency for thermal management of the passenger compartment (transferring heat from a portion of the vehicle to another) of a hybrid, mild, plug-in hybrid, or all-electric vehicle to provide air conditioning (A / C) or heating to the passenger compartment.

The application discloses an anti-edge curling nursing pad and a processing technology, and relates to the field of layered products. The nursing pad comprises, from top to bottom, a surface non-woven fabric, an absorbent core, a bottom PE film, and a composite elastic frame between the edges of the surface non-woven fabric and the bottom PE film. The cross section of the composite elastic frame is a shape of a hook, and the inward width is 20-50 mm. The composite elastic frame is made of a blend comprising the following components: 55-65% low-density polyethylene, 25-35% thermoplastic polyurethane, 5-10% nano calcium carbonate, and 1-3% antioxidant. By constructing a composite elastic frame at the composite edges of the surface and the bottom, a rigid skeleton and an elastic buffer structure are constructed by using the blend system of low-density polyethylene and thermoplastic polyurethane, so that the problem of poor elasticity and easy plastic deformation of the traditional single PE film is effectively solved, and the anti-curling ability and long-term use stability of the edge of the nursing pad are significantly improved.

The invention relates to the technical field of 3D printing materials, and belongs to a nanofiber reinforced PETG composite material for 3D printing of large parts and a preparation method thereof, and the nanofiber reinforced PETG composite material for 3D printing of large parts is a blend containing nanofibers treated by a physical modifier, PETG, a compatilizer and a plasticizer. The preparation method of the nanofiber reinforced PETG composite material comprises the following steps: preparing the modified nanofiber; blending the modified nanofiber, PETG, a compatilizer and a plasticizer through a high-speed mixer to form a blended material; carrying out melt blending extrusion and granulation on the blended material by using a twin-screw extrusion method; after being dried, the prepared composite material particles can be processed into monofilaments through a single-screw extruder, and the particles can also be directly used for 3D printing. According to the material disclosed by the invention, the tensile strength, the bending strength and the bending modulus of the material are improved by utilizing the characteristics of relatively high softening point of PETG and high rigidity of nano cellulose.

The invention discloses a polyurethane bonding layer resin material, which belongs to the field of high polymer material and structure bonding, and comprises 40-60 parts by mass of a prepolymer A which is obtained by reacting 4, 4 '-diphenylmethane diisocyanate with polyether polyol with the molecular weight of 1800-2200g / mol and the hydroxyl value of 55-65mgKOH / g in the absence of a metal catalyst, and the mass fraction of residual NCO is 3-7%; the hydroxyl-terminated chain extender B is a blend of 1, 4-butanediol and 1, 6-hexanediol, and the molar ratio of the 1, 4-butanediol to the 1, 6-hexanediol is (1.0: 1)-(2.0: 1); the aromatic block modifier C is formed by condensation polymerization of p-hydroxybenzoic acid and isophorone diisocyanate, and the content of aromatic rings in the aromatic block modifier C is 30%-50%; 3 to 8 parts of a fluorine-containing isocyanate modifier D; 1 to 5 parts of an anti-migration stable component E; and 2-6 parts of a crosslinking density regulator F. The adhesive provided by the invention has excellent damp-heat aging resistance, dimensional stability and solvent resistance, high bonding strength and stable interface bonding, and is suitable for long-term bonding application in a complex environment.

Method According to the invention there is provided a method of manufacturing a catalyst-coated ion- conducting membrane or a membrane electrode assembly. The method comprises the steps of: providing an ion-conducting membrane comprising a first face and a second face; depositing a catalyst ink onto the first face of the ion-conducting membrane to form a wet catalyst layer, wherein the catalyst ink comprises a solvent, an electrocatalyst dispersed in the solvent, and an ion-conducting polymer or a blend of polymers; and drying the wet catalyst layer to form a dried catalyst layer, wherein the ion-conducting polymer or the blend of polymers has a stress relaxation time of 600 s or less.

A ventilation port maintains the humidity range within a sealed or partially sealed enclosure maintaining a level of atmospheric moisture such as a greenhouse. The port is comprised of a polymer blend film made of a hydrophilic component serving as the water-absorbing material and substrate component serving as the mechanical backbone. The film is designed to bend and open the port when the humidity within the enclosure exceeds a predetermined level outside the humidity range, allowing for the venting of excess humidity. Once the humidity falls back within the desired range, the film returns to its original state and closes the port. A humidity sensing device is also disclosed including the film with a piezoresistive material layer, electrodes in electrical communication with the layer, and an electrical measurement device to measure resistivity or capacitance. The strain of the layer due to changes in humidity results in changes in its electrical properties, allowing the device to indicate corresponding humidity levels.

The present invention relates to a polymer composition comprising the following components: A) 5 to 35 wt.-% based on the overall weight of the polymer composition of a recycled polyolefin fabric substrate; wherein said fabric substrate is coated with a polyolefin composition comprising the following components: a1) an ethylene based plastomer with a density determined according to ISO 1183-1 in the range of 0.857 to 0.915 g / cm3 and a MFR2 (190° C., 2.16 kg) determined according to ISO 1133 in the range of 0.5 to 30 g / 10 min; and a2) a propylene based plastomer with a density determined according to ISO 1183-1 in the range of 0.850 to 0.910 g / cm3 and a MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range of 0.01 to 30 g / 10 min; B) 65 to 95 wt.-% based on the overall weight of the polymer composition of a homopolypropylene or a recycled polymer blend comprising b1) polypropylene and b2) polyethylene, wherein the weight ratio of b1) to b2) is from 3:7 to 12:1; with the proviso that components A) and B) add up to 100 wt.-%. Furthermore, the present invention relates to use of component A) for increasing the Charpy Notched Impact Strength of component B) and to an article comprising the polymer composition according to the present invention.